The Mettler Toledo XP603S is an Excellence Plus high-resolution precision laboratory balance combining a 610 g maximum capacity with 1 mg readability across its full weighing range. Its single-range design, automatic internal ProFACT adjustment, color touchscreen terminal, and enclosed draft shield make it suitable for precise weighing, sample preparation, formulation, and routine QA/QC applications.
Unlike the XP603SDR, the XP603S maintains 1 mg readability throughout the entire 0–610 g range rather than switching between standard and fine weighing ranges. This is particularly useful when heavier containers or larger sample quantities still require milligram-level resolution.
Single-Range Precision Weighing
The XP603S provides 1 mg readability across its complete 610 g weighing capacity. Unlike a DeltaRange balance, there is no transition to a lower-resolution range as the load increases.
This makes it suitable for applications including:
- reagent weighing,
- solution preparation,
- formulation,
- analytical standard preparation,
- samples requiring heavier tare vessels.
ProFACT Automatic Internal Adjustment
ProFACT uses an integrated reference weight to automatically adjust the balance, supporting stable weighing performance while reducing the need for manual adjustment with external weights.
Touchscreen Terminal and SmartSens
The Excellence Plus XP platform combines a graphical color touchscreen terminal with two programmable SmartSens touch-free sensors.
Integrated applications include:
- standard weighing,
- statistics,
- formulation,
- piece counting,
- percent weighing,
- density determination,
- dynamic weighing,
- differential weighing.
Draft Shield
The XP603S incorporates an enclosed weighing chamber to reduce the influence of laboratory air currents on measurement stability.
This is particularly important at 1 mg readability, where drafts, vibration, temperature fluctuations, and static electricity can affect measurement performance.
Connectivity
A standard RS232C interface supports connection to compatible peripherals, while additional interface options may be installed depending on the individual balance configuration.
Options can include:
- additional RS232C,
- Ethernet,
- Bluetooth,
- LocalCAN,
- computer and printer connectivity.
Technical Specifications
- Weighing Architecture: Single range
- Maximum Capacity: 610 g
- Readability: 1 mg
- Tare Range: 0–610 g
- Repeatability at Nominal Load, sd: 0.9 mg
- Typical Repeatability, sd: 0.5 mg
- Linearity Deviation: 2 mg
- Eccentric Load Deviation: 3 mg at 200 g
- Typical Eccentric Load Deviation: 0.8 mg at 200 g
- Sensitivity Temperature Drift: 0.0002%/°C
- Sensitivity Stability: 0.001%/year
- Settling Time: 1.5 s
- Minimum Sample Weight according to USP: approximately 1.5 g
- Minimum Sample Weight, U = 1%, k = 2: approximately 100 mg
- Weighing Pan: 127 × 127 mm
- Overall Dimensions: approximately 214 × 395 × 363 mm
- Usable Draft-Shield Height: approximately 248 mm
- Built-in Reference Weights: 1
- Adjustment: Internal / automatic ProFACT
- Interface: RS232C; additional options available
- Display: Color touchscreen terminal.
