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Lab Expo Pocket TDS Tester 25-PTS101 delivers a measurement range of 5 to 1000 ppm for dependable TDS monitoring. It supports one-point calibration for simple and efficient operation. Equipped with a digital LCD screen for clear and easy-to-read measurement display. Integrated high-precision system ensures TDS accuracy of ±1% F.S. Our Pocket TDS Tester is suitable for checking water quality in wastewater, aquariums, swimming pools, and drinking water.
| TDS Range | 5 to 1000 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 | 744.7 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 |
FunctionImplementationWater quality labs5 to 1000 ppm TDS Range enables accurate field testingAquarium maintenance±1% F.S. Accuracy supports precise salinity controlSwimming pool managementAutomatic Temperature Compensation ensures reliable readings in varying conditionsDrinking water verificationOne-Point Calibration allows quick on-site validationWastewater analysis0°C to 60°C Operating Temperature permits use in diverse environments
G134 button cell batteries
TDS standard solution (744.7ppm)
744.7ppm TDS standard solutions
