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KNAUER AZURA Valve Unifier VU 4.1

KNAUER AZURA VU 4.1 valve drive enables fast automated valve switching with RFID identification for HPLC/UHPLC systems.

<p><strong>The KNAUER AZURA VU 4.1 Valve Unifier is a compact valve drive unit designed for automated valve switching in HPLC/UHPLC systems. It enables precise and fast control of liquid flow paths, which is essential for applications such as column switching, sample injection, eluent selection, and fractionation.</strong></p><p>Due to its <strong>ultra-fast switching speed</strong>, the flow path is interrupted only briefly, significantly <strong>reducing pressure spikes</strong> and improving system stability.</p><p>The device uses <strong>RFID technology for automatic valve identification</strong>, ensuring <strong>easy and error-free valve exchange</strong>. Integrated <strong>GLP data monitoring</strong> simplifies maintenance tasks such as rotor seal replacement.</p><p>The unit can be operated:</p><ul><li><strong>stand-alone via display</strong></li><li><strong>via software</strong></li><li><strong>through LAN or analog I/O</strong></li></ul><p>This makes it easy to integrate into almost any LC system.</p><h4><span><strong>Key Features</strong></span></h4><ul><li>Universal <strong>valve drive for &gt;40 valve types</strong></li><li>Ultra-fast switching (minimal pressure spikes)</li><li><strong>RFID valve identification</strong></li><li>GLP data monitoring for maintenance</li><li>Standalone operation via display</li><li><strong>Integration into LC systems </strong>(LAN, analog, software)</li><li>Compact design</li><li>Easy maintenance and valve exchange</li><li>Flexible use in LC and industrial applications</li></ul><h3><span><strong>Technical Specifications</strong></span></h3><h4><span><strong>Communication &amp; Control</strong></span></h4><ul><li><strong>Interfaces:</strong> <strong>LAN, display, terminal strip</strong></li><li><strong>Control:</strong><ul><li>display (stand-alone)</li><li>software</li><li>event control</li></ul></li><li><strong>Inputs:</strong><ul><li>Home</li><li>Backward/Inject</li><li>Forward/Load</li><li>Start</li></ul></li><li><strong>Outputs:</strong><ul><li>Trigger out</li><li>Event output</li></ul></li></ul><h4><span><strong>Performance &amp; Features</strong></span></h4><ul><li>Ultra-fast valve switching</li><li>Reduced pressure peaks</li><li>Supports &gt;40 valve types</li><li>RFID valve recognition</li><li>GLP maintenance tracking</li></ul><h4><span><strong>Operating Conditions</strong></span></h4><ul><li><strong>Temperature:</strong> 4–40 °C</li><li><strong>Humidity:</strong> &lt; 90% non-condensing</li></ul><h4><span><strong>Power &amp; Dimensions</strong></span></h4><ul><li><strong>Power supply:</strong> external 24 V DC</li><li><strong>Power consumption:</strong> 65 W</li><li><strong>Dimensions:</strong> 80 × 123 × 192 mm</li><li><strong>Weight:</strong> 1.9 kg</li></ul><h4><span><strong>Typical Applications</strong></span></h4><ul><li>Column switching</li><li>Eluent selection</li><li>Sample injection</li><li>Fraction collection</li><li>LC workflow automation</li><li>Dosing systems in chemical industry</li></ul>

KNAUER AZURA DAD 2.1L Diode Array Detector

KNAUER AZURA® DAD 2.1L is a high-performance diode array detector for HPLC/UHPLC featuring 190–700 nm coverage, LightGuide technology, low drift, and up to 100 Hz data acquisition.

<p><strong>The KNAUER AZURA® DAD 2.1L is a high-performance diode array detector designed for analytical, semi-preparative, and preparative liquid chromatography applications. Combining advanced optical technology, excellent sensitivity, and intuitive operation, the detector offers an affordable solution for demanding HPLC and UHPLC workflows.</strong></p><p>The detector features a newly developed optical system and intelligent temperature management that ensure maximum sensitivity while minimizing baseline drift. Optional LightGuide flow cells based on total internal reflection technology maximize light throughput and minimize peak dispersion, resulting in superior signal-to-noise performance. An optional fiber-optic adapter allows physical separation of the flow cell from the detector, enhancing safety when handling hazardous, explosive, or toxic compounds.</p><h3><strong>Key Features</strong></h3><ul><li>High-performance diode array detector <strong>for HPLC and UHPLC</strong></li><li>Wavelength range <strong>from 190 to 700 nm</strong></li><li><strong>256-diode array</strong> with <strong>2 nm pixel pitch</strong></li><li>Advanced optical system with optimized temperature management</li><li><strong>LightGuide flow cell technology</strong> for enhanced signal-to-noise ratio</li><li>Wide selection of interchangeable analytical, semi-preparative, and preparative flow cells</li><li>Optional fiber-optic adapter for remote flow cell positioning</li><li>Internal holmium filter for wavelength verification</li><li>Integrated leak sensor</li><li>Front-access, tool-free lamp replacement</li><li>Compatible with <strong>ClarityChrom®, OpenLAB®, Chromeleon™, PurityChrom®, and Mobile Control</strong></li><li>LAN and analog connectivity for easy integration into virtually any LC system</li></ul><h3><strong>Technical Specifications</strong></h3><h4><strong>Detection System</strong></h4><ul><li><strong>Detector type:</strong> Diode Array Detector (DAD)</li><li><strong>Number of diodes: </strong>256</li><li><strong>Pixel pitch:</strong> 2 nm per diode</li><li><strong>Detection channels:</strong><ul><li>8 digital channels</li><li>4 analog channels</li></ul></li><li><strong>Light source: </strong>Deuterium lamp with integrated GLP chip</li><li><strong>Wavelength range: </strong>190–700 nm</li><li><strong>Spectral resolution: </strong>&lt;10 nm (FWHM)</li><li><strong>Slit width:</strong> 7.0 nm</li><li><strong>Wavelength accuracy: </strong>±1 nm</li><li><strong>Wavelength repeatability:</strong> ±0.1 nm</li></ul><h4><strong>Performance</strong></h4><ul><li><strong>Noise:</strong> ±5 µAU at 254 nm</li><li><strong>Drift:</strong> 400 µAU/h at 254 nm</li><li><strong>Linearity</strong>: &gt;2.0 AU at 274 nm</li><li><strong>Maximum data rate:</strong><ul><li>100 Hz via LAN</li><li>12.5 Hz via analog output</li></ul></li></ul><h4><strong>Flow Cells</strong></h4><ul><li>Flow cells are not included and must be ordered separately</li><li>Stainless steel and bio-inert configurations available</li><li>Optional LightGuide total-reflection technology</li></ul><h4><strong>Control and Communication</strong></h4><ul><li>LAN (RJ-45)</li><li>USB service interface</li><li>Analog inputs and outputs</li><li>Mobile Control stand-alone operation</li><li>Full software control through chromatography data systems</li></ul><h4><strong>GLP Functions</strong></h4><ul><li>Lamp identification</li><li>Lamp operating hours</li><li>Lamp ignition count</li><li>Comprehensive GLP reporting</li></ul><h4><strong>Power and Dimensions</strong></h4><ul><li><strong>Power supply:</strong> 100–240 V, 50–60 Hz</li><li><strong>Power consumption: </strong>75 W</li><li><strong>Dimensions (W × H × D):</strong> 361 × 158 × 523 mm</li><li><strong>Weight: </strong>12.2 kg</li></ul>

KNAUER AZURA DAD 6.1L Diode Array Detector

KNAUER AZURA® DAD 6.1L is a premium diode array detector with 190–1000 nm coverage, 1024-diode array, Polka-Dot optics, and LightGuide technology for maximum sensitivity.

<p><strong>The KNAUER AZURA® DAD 6.1L is a high-end diode array detector designed for analytical, semi-preparative, preparative, and process liquid chromatography applications. Featuring an extended wavelength range of 190–1000 nm, KNAUER Polka-Dot optical technology, and a 1024-diode array, it delivers exceptional sensitivity, spectral resolution, and baseline stability.</strong></p><p>The detector combines a high-brightness deuterium lamp and tungsten-halogen lamp to provide seamless UV and visible light detection. Optional LightGuide flow cells based on total internal reflection technology maximize light throughput while minimizing peak dispersion. An optional fiber-optic adapter enables physical separation of the flow cell from the detector, increasing safety when working with hazardous, explosive, or toxic compounds and protecting the detector from potential leaks at high flow rates.</p><h3><strong>Key Features</strong></h3><ul><li>High-end diode array detector<strong> for HPLC, UHPLC, and process chromatography</strong></li><li>Extended wavelength range <strong>from 190 to 1000 nm</strong></li><li>1024-diode array with <strong>0.8 nm pixel pitch</strong></li><li><strong>KNAUER</strong> <strong>Polka-Dot optical technology</strong> for maximum sensitivity</li><li><strong>LightGuide flow cell technology </strong>for superior signal-to-noise ratio</li><li>Wide range of analytical, semi-preparative, and preparative flow cells</li><li>Optional fiber-optic adapter for remote flow cell positioning</li><li>High-brightness deuterium and halogen lamps</li><li>Internal holmium filter for wavelength verification</li><li>Integrated leak sensor</li><li>Front-access lamp replacement</li><li>Compatible with <strong>ClarityChrom®, OpenLAB®, Chromeleon™, PurityChrom®</strong>, and <strong>Mobile Control</strong></li><li>Suitable for both laboratory and process applications</li></ul><h3><strong>Technical Specifications</strong></h3><h4><strong>Detection System</strong></h4><ul><li><strong>Detector type:</strong> Diode Array Detector (DAD)</li><li><strong>Number of diodes:</strong> 1024</li><li><strong>Pixel pitch: </strong>0.8 nm per diode</li><li><strong>Detection channels:</strong><ul><li>8 digital channels</li><li>4 analog channels</li></ul></li><li><strong>Light source:</strong><ul><li>High-brightness deuterium lamp</li><li>Tungsten-halogen lamp</li></ul></li><li><strong>Wavelength range:</strong> 190–1000 nm</li><li><strong>Spectral resolution: </strong>&lt;3.5 nm (FWHM)</li><li><strong>Slit width: </strong>2.5 nm</li><li><strong>Wavelength accuracy: </strong>±1 nm</li><li><strong>Wavelength repeatability:</strong> ±0.1 nm</li></ul><h4><strong>Performance</strong></h4><ul><li><strong>Noise:</strong> ±3.5 µAU at 254 nm</li><li><strong>Drift:</strong> 300 µAU/h at 254 nm</li><li><strong>Linearity: </strong>&gt;2.5 AU at 274 nm</li><li><strong>Maximum data rate:</strong><ul><li>100 Hz via LAN</li><li>12.5 Hz via analog output</li></ul></li></ul><h4><strong>Flow Cells</strong></h4><ul><li>Flow cells sold separately</li><li>Stainless-steel and bio-inert configurations available</li><li>Optional LightGuide total-reflection technology</li></ul><h4><strong>Control and Communication</strong></h4><ul><li>LAN (RJ-45)</li><li>USB service interface</li><li>Analog inputs and outputs</li><li>Mobile Control stand-alone operation</li><li>Full software integration with chromatography data systems</li></ul><h4><strong>GLP Functions</strong></h4><ul><li>Lamp identification</li><li>Lamp operating hours</li><li>Lamp ignition count</li><li>Comprehensive GLP reporting</li></ul><h4><strong>Power and Dimensions</strong></h4><ul><li><strong>Power supply: </strong>100–240 V, 50–60 Hz</li><li><strong>Power consumption: </strong>75 W</li><li><strong>Dimensions (W × H × D): </strong>361 × 158 × 523 mm</li><li><strong>Weight:</strong> 13.8 kg</li></ul>

KNAUER AZURA MWD 2.1L Multiwavelength Detector

KNAUER AZURA® MWD 2.1L is an 8-channel UV/VIS detector with 190–700 nm coverage, LightGuide technology, high sensitivity, and upgradeability to a DAD system.

<p><strong>The KNAUER AZURA® MWD 2.1L is a sensitive 8-channel UV/VIS multiwavelength detector designed for analytical, semi-preparative, and preparative liquid chromatography. Combining excellent performance, user-friendly operation, and affordability, it provides a versatile solution for routine and advanced LC applications.</strong></p><p>The detector features a newly developed optical unit and intelligent temperature management to ensure maximum sensitivity with minimal baseline drift. Optional LightGuide flow cells based on total internal reflection technology maximize light throughput and minimize peak dispersion, resulting in an optimized signal-to-noise ratio. An optional fiber-optic adapter allows physical separation of the flow cell from the detector, increasing safety when handling hazardous, explosive, or toxic materials.</p><p>The <strong>AZURA® MWD 2.1L</strong> can also be upgraded to a full <a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/2423"><strong>AZURA® DAD 2.1L diode array detector</strong></a>, protecting future investments and enabling greater analytical flexibility.</p><h3><strong>Key Features</strong></h3><ul><li>Sensitive <strong>8-channel UV/VIS multiwavelength detector</strong></li><li>Wavelength range<strong> from 190 to 700 nm</strong></li><li>Simultaneous monitoring of <strong>up to 8 digital channels</strong></li><li>LightGuide flow cell technology for improved sensitivity and signal-to-noise ratio</li><li>Intelligent temperature management for minimal baseline drift</li><li>Wide selection of analytical, semi-preparative, and preparative flow cells</li><li>Optional fiber-optic adapter for remote flow cell positioning</li><li>Internal holmium filter for wavelength verification</li><li>Integrated leak sensor</li><li>Front-access lamp replacement</li><li>Upgradeable to the AZURA® DAD 2.1L diode array detector</li><li>Compatible with <strong>ClarityChrom®, OpenLAB®, Chromeleon™, PurityChrom®</strong>, and <strong>Mobile Control</strong></li></ul><h3><strong>Technical Specifications</strong></h3><h4><strong>Detection System</strong></h4><ul><li><strong>Detector type: </strong>Multiwavelength Detector (MWD)</li><li><strong>Digital channels: </strong>8</li><li><strong>Analog channels:</strong> 4</li><li><strong>Light source: </strong>Deuterium lamp with integrated GLP chip</li><li><strong>Wavelength range: </strong>190–700 nm</li><li><strong>Spectral resolution: </strong>&lt;10 nm (FWHM)</li><li><strong>Slit width: </strong>7.0 nm</li><li><strong>Wavelength accuracy: </strong>±1 nm</li><li><strong>Wavelength repeatability: </strong>±0.1 nm</li></ul><h4><strong>Performance</strong></h4><ul><li><strong>Noise:</strong> ±5 µAU at 254 nm</li><li><strong>Drift:</strong> 400 µAU/h at 254 nm</li><li><strong>Linearity:</strong> &gt;2.0 AU at 274 nm</li><li><strong>Maximum data rate:</strong><ul><li>100 Hz via LAN</li><li>12.5 Hz via analog output</li></ul></li></ul><h4><strong>Flow Cells</strong></h4><ul><li>Flow cells sold separately</li><li>Stainless-steel and bio-inert configurations available</li><li>Optional LightGuide total-reflection technology</li></ul><h4><strong>Control and Communication</strong></h4><ul><li>LAN (RJ-45)</li><li>USB service interface</li><li>Analog inputs and outputs</li><li>Mobile Control stand-alone operation</li><li>Full software integration with chromatography data systems</li></ul><h4><strong>GLP Functions</strong></h4><ul><li>Lamp identification</li><li>Lamp operating hours</li><li>Lamp ignition count</li><li>Comprehensive GLP reporting</li></ul><h4><strong>Power and Dimensions</strong></h4><ul><li><strong>Power supply:</strong> 100–240 V, 50–60 Hz</li><li><strong>Power consumption: </strong>75 W</li><li><strong>Dimensions (W × H × D):</strong> 361 × 158 × 523 mm</li><li><strong>Weight:</strong> 12.2 kg</li></ul>

KNAUER AZURA VWD 2.1L Variable Wavelength Detector

Flexible UV/VIS detector with up to four wavelengths, conductivity, temperature, and optional pH monitoring. Ideal for HPLC, FPLC, and purification applications.

<p><strong>The KNAUER AZURA® VWD 2.1L is a versatile variable wavelength detector designed for analytical HPLC, FPLC, and purification applications. Combining UV/VIS detection with optional conductivity, temperature, and pH monitoring, it provides exceptional flexibility for a wide range of chromatographic workflows.</strong></p><p>The detector supports simultaneous monitoring of up to four UV/VIS wavelengths across a broad spectral range from 190 to 900 nm. When equipped with KNAUER’s patented <strong>CombiLight flow cell</strong>, it can simultaneously measure UV absorbance, conductivity, and eluent temperature. An optional pH electrode further extends functionality by enabling real-time pH monitoring during chromatographic separations.</p><h3><strong>Key Features</strong></h3><ul><li>Variable wavelength UV/VIS detector <strong>for analytical HPLC and FPLC</strong></li><li>Simultaneous monitoring of <strong>up to 4 UV/VIS wavelengths</strong></li><li>Broad wavelength range from <strong>190 to 900 nm</strong></li><li>Optional conductivity monitoring up to <strong>1000 mS/cm</strong></li><li>Integrated temperature monitoring</li><li>Optional real-time pH measurement</li><li>Compatible with patented KNAUER CombiLight flow cell technology</li><li>Convertible between flow-cell and fiber-optic configurations</li><li>Internal holmium oxide filter for wavelength verification</li><li>Adjustable leak sensor for enhanced operational safety</li><li>Front-access lamp and flow-cell replacement</li><li>Comprehensive GLP functionality with component recognition</li><li>Suitable for analytical, preparative, and purification workflows</li></ul><h3><strong>Technical Specifications</strong></h3><h4><strong>Detection System</strong></h4><ul><li><strong>Detection channels:</strong><ul><li>4 × UV/VIS</li><li>1 × Conductivity</li><li>1 × Temperature</li><li>1 × pH</li></ul></li><li><strong>Wavelength range:</strong> 190–900 nm</li><li><strong>Light source:</strong><ul><li>High-brightness deuterium lamp</li><li>Halogen lamp</li><li>Integrated GLP chip</li></ul></li><li><strong>Flow cell:</strong> Not included</li><li><strong>Optional display:</strong> Mobile Control</li></ul><h4><strong>UV/VIS Performance</strong></h4><ul><li><strong>Spectral bandwidth:</strong> 6 nm (FWHM)</li><li><strong>Wavelength accuracy: </strong>±1.5 nm</li><li><strong>Wavelength precision:</strong> 0.4 nm</li><li><strong>Baseline noise: </strong>±7.5 µAU at 254 nm</li><li><strong>Baseline drift:</strong> 200 µAU/h at 254 nm</li><li><strong>Linearity: </strong>&gt;2.5 AU at 274 nm</li><li><strong>Maximum data rate:</strong><ul><li>100 Hz (single UV channel)</li><li>5 Hz (four UV channels)</li></ul></li></ul><h4><strong>Conductivity Monitoring</strong></h4><ul><li><strong>Measurement range: </strong>0.1–1000 mS/cm</li><li><strong>Accuracy:</strong> ±2% or ±0.5 mS/cm (whichever is greater)</li></ul><h4><strong>pH Monitoring</strong></h4><ul><li><strong>Measurement range: </strong>pH 0–14</li><li><strong>Accuracy: </strong>±0.1 pH (between pH 2–12)</li></ul><h4><strong>Temperature Monitoring</strong></h4><ul><li><strong>Measurement range</strong>: 1–99 °C</li><li><strong>Accuracy</strong>: ±1.5 °C (4–40 °C)</li></ul><h4><strong>System Functions</strong></h4><ul><li>Internal holmium oxide filter for wavelength verification</li><li>Adjustable leak sensor</li><li>Automatic integration time</li><li>User-selectable time constants:</li></ul><h4><strong>GLP Functions</strong></h4><ul><li>Lamp recognition</li><li>Operating hours tracking</li><li>Light source lifetime monitoring</li><li>Flow-cell recognition</li><li>Detailed GLP reporting</li></ul><h4><strong>Maintenance</strong></h4><ul><li>Front-accessible deuterium lamp</li><li>Front-accessible halogen lamp</li><li>Front-accessible flow cell</li><li>Simplified service procedures</li></ul><h3><strong>Applications</strong></h3><ul><li>Analytical HPLC</li><li>FPLC systems</li><li>Protein purification</li><li>Biopharmaceutical analysis</li><li>Process chromatography</li><li>Preparative chromatography</li><li>Method development</li><li>Quality control laboratories</li><li>UV/VIS monitoring of purification processes</li></ul>

KNAUER AZURA UVD 2.1L UV/VIS Detector

Compact and affordable UV/VIS detector for routine HPLC and fast LC applications, featuring 190–750 nm wavelength range and flexible flow-cell options.

<p><strong>The KNAUER AZURA® UVD 2.1L is a cost-effective UV/VIS detector designed for routine HPLC applications, including fast liquid chromatography methods. Combining reliable performance, compact dimensions, and flexible flow-cell options, it provides an ideal solution for analytical and preparative chromatography laboratories seeking dependable UV detection at an attractive price point.</strong></p><p>The detector utilizes a deuterium lamp covering the wavelength range <strong>from 190 to 750 nm</strong> and offers excellent sensitivity and stability for everyday chromatographic analysis. Its smart mechanical design allows quick and easy access to the flow cell, minimizing maintenance time and maximizing instrument uptime.</p><p>A wide range of interchangeable flow cells is available, including stainless-steel and bio-inert versions suitable for analytical, semi-preparative, and preparative LC applications with <strong>flow rates ranging from 10 μL/min up to 10 L/min</strong>. The detector integrates seamlessly into virtually any LC system through LAN communication, analog I/O, and compatibility with leading chromatography software packages.</p><h3><strong>Key Features</strong></h3><ul><li><strong>Cost-effective UV/VIS detector </strong>for routine HPLC applications</li><li>Suitable for fast LC methods</li><li>Wavelength range <strong>from 190 to 750 nm</strong></li><li>Single-channel variable wavelength detection</li><li><strong>Deuterium lamp </strong>with integrated GLP chip</li><li>Compact and robust instrument design</li><li>Easily accessible flow cell for rapid replacement</li><li>Wide selection of interchangeable flow cells</li><li>Compatible with analytical and preparative LC applications</li><li><strong>Flow rates from 10 μL/min up to 10 L/min</strong></li><li>Integrated leak sensor</li><li>Automatic integration time adjustment</li><li>LAN and analog communication interfaces</li><li>Comprehensive GLP functionality</li><li><strong>Compatible with ClarityChrom®, OpenLAB®, Chromeleon™, ChromGate®, PurityChrom®</strong>, and <strong>Mobile Control</strong></li></ul><h3><strong>Technical Specifications</strong></h3><h4><strong>Detection System</strong></h4><ul><li><strong>Detection channels:</strong> 1</li><li><strong>Light source: </strong>Deuterium (D₂) lamp with integrated GLP chip</li><li><strong>Wavelength range:</strong> 190–750 nm</li><li><strong>Spectral bandwidth: </strong>11 nm (FWHM)</li><li><strong>Wavelength accuracy:</strong> ±2.5 nm</li><li><strong>Wavelength precision:</strong> 0.3 nm</li></ul><h4><strong>Performance</strong></h4><ul><li><strong>Noise:</strong> ±15 µAU at 254 nm</li><li><strong>Drift: </strong>300 µAU/h at 254 nm</li><li><strong>Linearity:</strong> &gt;2.0 AU at 274 nm</li><li><strong>Maximum data rate:</strong><ul><li>50 Hz via LAN</li><li>20 Hz via analog output</li></ul></li></ul><h4><strong>Flow Cells</strong></h4><ul><li>Flow cells sold separately</li><li>Stainless-steel and bio-inert options available</li><li>Suitable for analytical and preparative chromatography</li><li>Flow rates from 10 μL/min to 10 L/min</li></ul><h4><strong>Communication and Control</strong></h4><ul><li>LAN communication</li><li>Analog input/output</li><li>Mobile Control software</li><li>Event control</li><li>Terminal protocol</li></ul><h4><strong>Inputs</strong></h4><ul><li>Error (IN)</li><li>Start (IN)</li><li>Autozero</li><li>0–10 V Analog (IN)</li></ul><h4><strong>Outputs</strong></h4><ul><li>Events 1–3</li><li>+5 V</li><li>24 V Valve</li></ul><h4><strong>Analog Output</strong></h4><ul><li>1 × 0–5 V scalable</li><li>20-bit resolution</li><li>Adjustable offset</li></ul><h4><strong>Programming Functions</strong></h4><ul><li>Timed wavelength programming</li><li>Event programming</li><li>Fraction valve control</li><li>Wake-up functions</li><li>Up to 9 programs</li><li>Up to 50 program lines</li></ul><h4><strong>GLP Functions</strong></h4><ul><li>Lamp recognition</li><li>Operating hours tracking</li><li>Lamp operating hours</li><li>Lamp ignition counter</li><li>Detailed GLP reports</li></ul><h4><strong>Safety and Maintenance</strong></h4><ul><li>Integrated leak sensor</li><li>Easy-access flow cell compartment</li><li>Front-access maintenance</li><li>Minimal downtime for service operations</li></ul><h4><strong>Environmental Conditions</strong></h4><ul><li><strong>Operating temperature:</strong> 4–40 °C</li><li><strong>Humidity:</strong> &lt;90% non-condensing</li></ul><h4><strong>Power and Dimensions</strong></h4><ul><li><strong>Power supply: </strong>100–240 V, 50–60 Hz</li><li><strong>Power consumption: </strong>65 W</li><li><strong>Dimensions (W × H × D):</strong> 361 × 158 × 523 mm</li><li><strong>Weight: </strong>5.9 kg</li></ul><h3><strong>Applications</strong></h3><ul><li>Routine HPLC analysis</li><li>Fast LC methods</li><li>Pharmaceutical quality control</li><li>Food and beverage analysis</li><li>Environmental testing</li><li>Chemical analysis</li><li>Preparative liquid chromatography</li><li>Academic and research laboratories</li></ul>

KNAUER AZURA UVD 2.1S UV Detector

Compact single-wavelength UV detector for routine HPLC applications with 190–500 nm range, flexible flow-cell options, and seamless software integration.

<p><strong>The KNAUER AZURA® UVD 2.1S is a compact, cost-effective single-wavelength UV detector designed for routine HPLC applications. Despite its small footprint, it delivers reliable performance and excellent technical specifications, making it one of the most compact HPLC UV detectors available on the market.</strong></p><p>Equipped with a deuterium lamp covering the <strong>wavelength range from 190 to 500 nm</strong>, the detector is suitable for a broad range of analytical chromatography applications. Its intelligent design provides quick access to the flow cell, enabling fast replacement and simplified maintenance. A wide selection of interchangeable flow cells is available, including bio-inert and stainless-steel versions for analytical and preparative LC applications with <strong>flow rates ranging from 10 μL/min up to 10 L/min</strong>.</p><h3><strong>Key Features</strong></h3><ul><li>Compact single-wavelength UV detector for HPLC</li><li>One of the smallest HPLC UV detectors available</li><li>Wavelength range <strong>from 190 to 500 nm</strong></li><li>Deuterium lamp with integrated GLP chip</li><li>Suitable for routine analytical applications</li><li>Compact AZURA® housing design</li><li>Easily accessible flow cell for rapid replacement</li><li>Wide range of interchangeable flow cells available</li><li>Compatible with analytical and preparative LC applications</li><li><strong>Flow rates from 10 μL/min up to 10 L/min</strong></li><li>Stand-alone operation via front panel</li><li><strong>LAN, RS-232</strong>, and analog communication interfaces</li><li>Compatible with major chromatography data systems</li><li>Available as a module for <strong>AZURA® ASM 2.2L</strong></li><li>Low maintenance requirements</li></ul><h3><strong>Technical Specifications</strong></h3><h4><strong>Detection System</strong></h4><ul><li><strong>Detection channels: </strong>1</li><li><strong>Light source:</strong> Deuterium (D₂) lamp with integrated GLP chip</li><li><strong>Wavelength range:</strong> 190–500 nm</li><li><strong>Spectral bandwidth: </strong>13 nm (FWHM)</li><li><strong>Wavelength accuracy: </strong>±3 nm</li><li><strong>Wavelength precision: </strong>0.7 nm</li></ul><h4><strong>Performance</strong></h4><ul><li><strong>Noise:</strong> ±20 µAU at 254 nm</li><li><strong>Drift:</strong> 300 µAU/h at 254 nm</li><li><strong>Linearity:</strong> &gt;2.0 AU at 274 nm</li><li><strong>Maximum data rate:</strong><ul><li>50 Hz via LAN</li><li>20 Hz via analog output</li><li>10 Hz via RS-232</li></ul></li></ul><h4><strong>Flow Cells</strong></h4><ul><li>Flow cells sold separately</li><li>Bio-inert and stainless-steel options available</li><li>Suitable for analytical and preparative chromatography</li><li>Flow rates from 10 μL/min to 10 L/min</li></ul><h4><strong>Communication and Control</strong></h4><ul><li>Front panel operation</li><li>Mobile Control software</li><li>Software control</li><li>Event control</li><li>Analog control</li><li>Terminal protocol</li></ul><h4><strong>Interfaces</strong></h4><ul><li>LAN (RJ-45)</li><li>RS-232 (SUB-D 9)</li><li>Multi-pin connector</li><li>Analog interface (RCA connector)</li></ul><h4><strong>Inputs</strong></h4><ul><li>Autozero</li><li>Start (IN)</li><li>Error (IN/OUT)</li><li>0–10 V Analog Input</li></ul><h4><strong>Outputs</strong></h4><ul><li>Error (OUT/IN)</li></ul><h4><strong>Analog Signals</strong></h4><ul><li>Analog wavelength input: 0–10 V</li><li>Analog output: 1 × ±2.5 V scalable</li><li>Resolution: 20-bit</li></ul><h4><strong>GLP Functions</strong></h4><ul><li>Lamp operating hours monitoring</li></ul><h4><strong>Display</strong></h4><ul><li>LED display</li></ul><h4><strong>Environmental Conditions</strong></h4><ul><li><strong>Operating temperature:</strong> 4–40 °C</li><li><strong>Humidity</strong>: &lt;90% non-condensing</li></ul><h4><strong>Power and Dimensions</strong></h4><ul><li><strong>Power supply:</strong><ul><li>Input: 100–240 V</li><li>Output: 24 V DC</li></ul></li><li><strong>Power consumption: </strong>60 W</li><li><strong>Dimensions (W × H × D):</strong> 121 × 129 × 187 mm</li><li><strong>Weight: </strong>1.5 kg</li></ul><h3><strong>Applications</strong></h3><ul><li>Routine HPLC analysis</li><li>Quality control laboratories</li><li>Pharmaceutical analysis</li><li>Food and beverage testing</li><li>Environmental analysis</li><li>Academic research</li><li>Preparative liquid chromatography</li><li>Compact and space-limited laboratory environments</li></ul>

KNAUER AZURA RID 2.1L Refractive Index Detector

Sensitive refractive index detector for HPLC and GPC applications. Ideal for sugars, alcohols, lipids, and polymers with excellent stability and low maintenance.

<p><strong>The KNAUER AZURA® RID 2.1L is a highly sensitive and cost-effective differential refractive index detector designed for compounds that exhibit little or no UV absorbance. It is ideally suited for the analysis of sugars, alcohols, lipids, polymers, and other non-UV active substances in analytical HPLC and selected GPC applications.</strong></p><p>The detector incorporates an intelligently designed optical system with advanced temperature control, ensuring exceptional sensitivity, rapid baseline stabilization, and excellent reproducibility. A long-life LED light source, highly pressure-resistant flow cell, integrated leak management, and advanced diagnostic functions contribute to reliable operation and minimal maintenance requirements.</p><h3><strong>Key Features</strong></h3><ul><li>Differential refractive index detector for <strong>analytical HPLC and selected GPC applications</strong></li><li>Ideal for compounds with little or no UV activity</li><li>Suitable for sugars, alcohols, lipids, polymers, and related compounds</li><li>Highly sensitive optical system with advanced temperature control</li><li>Fast baseline stabilization and excellent reproducibility</li><li><strong>Long-life LED light source</strong></li><li>Wide refractive index measurement range</li><li>High-pressure resistant flow cell included</li><li>Low dispersion volume for improved chromatographic performance</li><li><strong>Maximum flow rate up to 10 mL/min</strong></li><li>Integrated internal and external leak management</li><li>Comprehensive diagnostics and GLP reporting</li><li>LAN and analog connectivity</li><li><strong>Compatible with ClarityChrom®, OpenLAB®, Chromeleon™, PurityChrom®, and Mobile Control software</strong></li></ul><h3><strong>Technical Specifications</strong></h3><h4><strong>Detection System</strong></h4><ul><li><strong>Detection channels:</strong> 1</li><li><strong>Light source: L</strong>ong-life LED</li><li><strong>Refractive index range: </strong>1.00–1.75 RIU</li></ul><h4><strong>Performance</strong></h4><ul><li><strong>Noise: </strong>±2.5 nRIU</li><li><strong>Drift: </strong>200 nRIU/h</li><li><strong>Linearity:</strong> &gt;1000 µRIU</li><li><strong>Maximum data rate:</strong><ul><li>100 Hz via LAN</li><li>20 Hz via analog output</li></ul></li></ul><h4><strong>Flow Cell</strong></h4><ul><li>Included as standard</li><li><strong>Backpressure resistance:</strong> 5 bar</li><li><strong>Maximum flow rate: </strong>10 mL/min (water)</li><li><strong>Flow cell volume: </strong>15 µL</li><li><strong>Dispersion volume:</strong> 43 µL</li><li><strong>Wetted materials:</strong><ul><li>Stainless steel</li><li>Quartz</li><li>PTFE</li></ul></li></ul><h4><strong>Temperature Control</strong></h4><ul><li>OFF mode available</li><li>Adjustable from 30 °C to 55 °C</li><li>1 °C increments</li></ul><h4><strong>System Functions</strong></h4><ul><li>Full-range autozero</li><li>Internal leak sensor</li><li>External leak management</li><li>Advanced diagnostics functions</li></ul><h4><strong>Communication and Control</strong></h4><ul><li>Mobile Control software</li><li>Chromatography software control</li><li>Event control</li><li>Analog control</li><li>Terminal protocol</li></ul><h4><strong>Inputs</strong></h4><ul><li>Error (IN)</li><li>Start (IN)</li><li>Autozero</li><li>Flush (IN)</li></ul><h4><strong>Outputs</strong></h4><ul><li>Event 1</li><li>Start (OUT)</li><li>Error (OUT)</li><li>+5 V</li><li>24 V valve output</li></ul><h4><strong>Analog Output</strong></h4><ul><li>1 × 0–2.5 V scalable</li><li>20-bit resolution</li><li>Adjustable offset</li></ul><h4><strong>Interfaces</strong></h4><ul><li>2 × LAN (RJ-45, dual IP stack)</li><li>USB (service only)</li><li>Multi-pin connector</li><li>Analog interface (cinch connector)</li></ul><h4><strong>GLP Functions</strong></h4><ul><li>Operating hours tracking</li><li>Light source operating hours</li><li>Detailed GLP reports</li></ul><h4><strong>Environmental Conditions</strong></h4><ul><li><strong>Operating temperature: </strong>4–40 °C</li><li><strong>Humidity:</strong> &lt;90% non-condensing</li></ul><h4><strong>Power and Dimensions</strong></h4><ul><li><strong>Power supply:</strong> 100–240 V, 50–60 Hz</li><li><strong>Power consumption: </strong>65 W</li><li><strong>Dimensions (W × H × D):</strong> 361 × 158 × 523 mm</li><li><strong>Weight:</strong> 10.8 kg</li></ul><h4><strong>Optional Accessories</strong></h4><ul><li>Mobile Control software interface</li></ul><h3><strong>Applications</strong></h3><ul><li>Sugar analysis</li><li>Carbohydrate profiling</li><li>Alcohol determination</li><li>Lipid analysis</li><li>Polymer characterization</li><li>Gel permeation chromatography (GPC)</li><li>Food and beverage testing</li><li>Pharmaceutical analysis</li><li>Chemical and petrochemical laboratories</li><li>Quality control and research applications</li></ul>

KNAUER RF-20A Fluorescence Detector

High-sensitivity fluorescence detector for HPLC with 200–650 nm wavelength range, ≥1200 S/N ratio, fast 10 ms response, and excellent trace-level detection performance.

<p><strong>The KNAUER RF-20A Fluorescence Detector is a highly sensitive fluorescence detector designed for demanding HPLC applications requiring exceptional selectivity and trace-level detection. Covering a wavelength range from 200 to 650 nm, the RF-20A delivers outstanding sensitivity, excellent reproducibility, and reliable operation for both routine and advanced chromatographic analyses.</strong></p><p>With a signal-to-noise ratio of at least 1200 for the water Raman band, the detector is ideally suited for trace-level determinations in pharmaceutical, environmental, food, and biochemical applications. A fast 10 ms response time supports high-speed chromatography without compromising chromatographic resolution. Time-programmed wavelength switching allows optimal excitation and emission settings throughout the run, enabling highly sensitive multi-component analysis.</p><h3><strong>Key Features</strong></h3><ul><li>High-sensitivity fluorescence detector for HPLC applications</li><li><strong>Wavelength range from 200 to 650 nm</strong></li><li><strong>Signal-to-noise ratio ≥1200</strong> (water Raman band)</li><li>Excellent performance for trace-level analysis</li><li><strong>Fast 10 ms response time</strong></li><li>Time-programmable wavelength switching</li><li>Multi-component analysis at optimal wavelengths</li><li><strong>Long-life xenon lamp</strong> (approx. 2,000 hours)</li><li>Front-accessible lamp and flow cell</li><li>No optical adjustment required after lamp replacement</li><li>Minimal maintenance requirements</li><li>Stand-alone operation via keypad and display</li><li><strong>Compatible with ClarityChrom®, OpenLAB®, and PurityChrom® software</strong></li><li>Easy integration into existing LC systems</li></ul><h3><strong>Technical Specifications</strong></h3><h4><strong>Detection System</strong></h4><ul><li><strong>Detection channels: </strong>1</li><li><strong>Number of signals:</strong> 1</li><li><strong>Light source: </strong>Xenon lamp</li><li><strong>Wavelength range:</strong> 200–650 nm</li><li><strong>Spectral bandwidth:</strong> 20 nm</li><li><strong>Wavelength accuracy:</strong> ±2 nm</li><li><strong>Wavelength precision:</strong> ±0.2 nm</li></ul><h4><strong>Sensitivity</strong></h4><ul><li><strong>Signal-to-noise ratio: </strong>≥1200 (water Raman band)</li><li><strong>Sensitivity settings:</strong><ul><li>HIGH (×1)</li><li>MED (×32)</li><li>LOW (×1024)</li></ul></li></ul><h4><strong>Flow Cell</strong></h4><ul><li>Standard flow cell included</li><li><strong>Flow cell volume: </strong>12 µL</li><li><strong>Wetted materials:</strong><ul><li>SUS316L stainless steel</li><li>PTFE</li><li>Quartz</li></ul></li></ul><h4><strong>Signal Processing</strong></h4><ul><li><strong>Response time: </strong>10 ms</li><li><strong>Gain settings: </strong>×1, ×4, ×16</li></ul><h4><strong>Functions</strong></h4><ul><li>Autozero function</li><li>Baseline shift function</li><li>Time-programmed wavelength switching</li></ul><h4><strong>Communication</strong></h4><ul><li>RS-232 interface</li><li>Analog output</li><li>Software control</li><li>Stand-alone operation via keypad and display</li></ul><h4><strong>Environmental Conditions</strong></h4><ul><li><strong>Operating temperature:</strong> 4–35 °C</li><li><strong>Relative humidity: </strong>20–85% (non-condensing)</li></ul><h4><strong>Power and Dimensions</strong></h4><ul><li><strong>Power supply: </strong>AC 220–240 V</li><li><strong>Frequency: </strong>50/60 Hz</li><li><strong>Power consumption: </strong>400 VA</li><li><strong>Dimensions (W × H × D):</strong> 260 × 210 × 420 mm</li><li><strong>Weight:</strong> 16 kg</li></ul><h3><strong>Applications</strong></h3><ul><li>Pharmaceutical analysis</li><li>Impurity profiling</li><li>Environmental monitoring</li><li>Food and beverage testing</li><li>Amino acid analysis</li><li>Vitamin analysis</li><li>PAH analysis</li><li>Biomolecule detection</li><li>Trace contaminant determination</li><li>Research and quality control laboratories</li></ul>

KNAUER RF-20Axs Fluorescence Detector

High-sensitivity fluorescence detector with 200–750 nm range, temperature-controlled flow cell, ≥2000 S/N ratio, and exceptional performance for trace-level HPLC analysis.

<p><strong>The KNAUER RF-20Axs Fluorescence Detector is the high-performance version of the </strong><a target="_blank" rel="noopener noreferrer" href="https://lcms.labrulez.com/products/2430"><strong>RF-20A fluorescence detector</strong></a><strong> series, designed for laboratories requiring maximum sensitivity, exceptional reproducibility, and advanced validation capabilities. Covering a wavelength range from 200 to 750 nm, the detector supports both routine and demanding high-performance HPLC applications.</strong></p><p>With a signal-to-noise ratio of at least 2000 for the water Raman band, the RF-20Axs is ideally suited for trace-level analysis. The temperature-controlled flow cell with integrated cooling function ensures outstanding stability, reproducibility, and sensitivity, even during long analytical sequences. The detector’s fast 10 ms response time supports ultra-fast chromatography without compromising chromatographic resolution.</p><p>The RF-20Axs enables highly sensitive multi-component analysis through programmable wavelength switching during a chromatographic run. An integrated low-pressure mercury lamp allows convenient verification of wavelength accuracy, supporting validation and compliance requirements. Both the xenon lamp and flow cell are easily accessible from the front panel, and lamp replacement requires no optical adjustment. Combined with a lamp lifetime of approximately 2,000 hours, this minimizes downtime and operating costs.</p><h3><strong>Key Features</strong></h3><ul><li>High-sensitivity fluorescence detector for <strong>HPLC applications</strong></li><li>Wavelength range <strong>from 200 to 750 nm</strong></li><li><strong>Signal-to-noise ratio ≥2000</strong> (water Raman band)</li><li>Designed for trace-level analysis</li><li>Temperature-controlled flow cell with cooling function</li><li><strong>Fast 10 ms response time</strong></li><li>Programmable wavelength switching during analysis</li><li>Simultaneous multi-component analysis at optimal wavelengths</li><li>Integrated low-pressure mercury lamp for wavelength verification</li><li><strong>Long-life xenon lamp </strong>with approximately <strong>2,000 operating hours</strong></li><li>Front-accessible lamp and flow cell</li><li>No optical realignment required after lamp replacement</li><li>Advanced validation and support functions</li><li>Stand-alone operation via keypad and display</li><li>Compatible with <strong>ClarityChrom®, OpenLAB®, and PurityChrom® software</strong></li><li>Easy integration into virtually any LC system</li></ul><h3><strong>Technical Specifications</strong></h3><h4><strong>Detection System</strong></h4><ul><li><strong>Detection channels: </strong>2</li><li><strong>Number of signals: </strong>2</li><li><strong>Light source:</strong><ul><li>Xenon lamp</li><li>Low-pressure mercury lamp for wavelength accuracy verification</li></ul></li><li><strong>Wavelength range: </strong>200–750 nm</li><li><strong>Spectral bandwidth: </strong>20 nm</li><li><strong>Wavelength accuracy:</strong> ±2 nm</li><li><strong>Wavelength precision: </strong>±0.2 nm</li></ul><h4><strong>Sensitivity</strong></h4><ul><li><strong>Signal-to-noise ratio: </strong>≥2000 (water Raman band)</li><li><strong>Sensitivity settings:</strong><ul><li>HIGH (×1)</li><li>MED (×32)</li><li>LOW (×1024)</li></ul></li></ul><h4><strong>Flow Cell</strong></h4><ul><li>Standard flow cell included</li><li>Temperature-controlled flow cell</li><li>Integrated cooling function</li><li><strong>Flow cell volume:</strong> 12 µL</li><li><strong>Wetted materials:</strong><ul><li>SUS316L stainless steel</li><li>PTFE</li><li>Quartz</li></ul></li></ul><h4><strong>Signal Processing</strong></h4><ul><li><strong>Response time: </strong>10 ms</li><li><strong>Gain settings: </strong>×1, ×4, ×16</li></ul><h4><strong>Functions</strong></h4><ul><li>Autozero function</li><li>Baseline shift function</li><li>Time-programmed wavelength switching</li><li>Wavelength accuracy verification using integrated mercury lamp</li></ul><h4><strong>Communication</strong></h4><ul><li>RS-232 interface</li><li>Analog output</li><li>Software control</li><li>Stand-alone operation via keypad and display</li></ul><h4><strong>Environmental Conditions</strong></h4><ul><li><strong>Operating temperature:</strong> 4–35 °C</li><li><strong>Relative humidity:</strong> 20–85% (non-condensing)</li></ul><h4><strong>Power and Dimensions</strong></h4><ul><li><strong>Power supply: </strong>AC 220–240 V</li><li><strong>Frequency:</strong> 50/60 Hz</li><li><strong>Power consumption: </strong>400 VA</li><li><strong>Dimensions (W × H × D): </strong>260 × 210 × 420 mm</li><li><strong>Weight:</strong> 18 kg</li></ul><h3><strong>Applications</strong></h3><ul><li>Trace-level pharmaceutical analysis</li><li>Impurity profiling</li><li>Environmental monitoring</li><li>Food safety testing</li><li>Amino acid analysis</li><li>Vitamin analysis</li><li>PAH analysis</li><li>Biomolecule detection</li><li>Fluorescent labeling applications</li><li>Research and quality control laboratories</li></ul>

Products focused on HPLC distributed by KNAUER - page 1

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