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Lab Expo Pocket TDS Tester 25-PTS102 measures total dissolved solids from 0.05 to 10.00 ppm with ±1% full-scale accuracy using a platinum sensor and automatic temperature compensation from 0°C to 50°C. It features a one-point calibration with 7447 ppm solution, manual data hold, LCD display, and powers off automatically after eight minutes of inactivity. Operates on three G13A batteries for approximately 150 hours within 0°C to 60°C ambient conditions. Suitable for water quality monitoring in laboratories, industrial processes, environmental testing, and educational facilities requiring precise TDS assessment.
$1,853.00 $ 1544
| TDS Range | 0.05 to 10.00 ppm |
| TDS Accuracy | ±1% F.S. |
| TDS Factor | 0.4 to 1.0 (default 0.5) |
| Calibration Points | 1 Point |
| TDS Type Range | Mid Range TDS |
| Calibration Solutions | 7447 ppm |
| Type of Sensor | Platinum Sensor |
| Temperature Compensation | 0°C to 50°C, Automatic |
| Temperature Coefficient | 2% per °C |
| Normalization Temperature | 25°C |
| Operating Temperature | 0°C to 60°C, 32°F to 140°F |
| Connector | 6 Pin |
| Display | LCD Screen |
| Data Hold Function | Manual |
| Battery Life | Approximately150 Hours |
| Power Off | Manual or Automatic (8 Minutes after Last Key is Pressed) |
| Power Supply | 3 × 1.5 V “G13A” |
| Dimensions | 185 × 40 mm |
| Weight | 100 g |
Function Implementation Water quality monitoring 0.05 to 10.00 ppm TDS Range enables precise measurement in wastewater and aquariums Drinking system testing ±1% F.S. TDS Accuracy supports reliable assessment of potable water sources Swimming pool maintenance Temperature Compensation 0°C to 50°C ensures accurate readings under varying conditions Field operations use Battery Life Approximately150 Hours allows extended on-site testing sessions Calibration verification Calibration Solutions 7447 ppm provides reference point for single-point adjustment
G134 button cell batteries
TDS standard solution (7447ppm)
7447ppm TDS standard solutions
Lab Expo TDS Tester units are used for total dissolved solids measurement in water quality testing and environmental monitoring applications. Models support TDS meter ranges from 0.05 to 1000 ppm with ±1% accuracy and adjustable TDS factors for precise TDS measuring meter analysis in laboratory and field workflows.
