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Lab Expo Pocket TDS Tester 25-PTS103 measures total dissolved solids from 0 to 20 ppm with ±1% F.S. accuracy using a platinum sensor and automatic temperature compensation from 0°C to 60°C. It features manual or automatic power off after eight minutes of inactivity, data hold function, LCD display, and operates on two AAA batteries for approximately 150 hours. Calibration supports one to three points using 100 ppm, 1000 ppm, or 10 ppt solutions with adjustable TDS factor from 0.1 to 1.
$1,882.00 $ 1568
| TDS Range | 0 to 20 ppm |
| TDS Accuracy | ±1% F.S. |
| TDS Factor | 0.1 to 1.0 (default 0.5) |
| Calibration Points | 1 to 3 Points |
| TDS Type Range | Low Range TDS |
| Calibration Solutions | 100 ppm, 1000 ppm, 10 ppt |
| Type of Sensor | Platinum Sensor |
| Temperature Compensation | 0°C to 60°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 | 2 × 1.5 V “AAA” |
| Dimensions | 185 × 40 mm |
| Weight | 100 g |
Function Implementation Water quality assessment 0 to 20 ppm TDS range enables precise low-level analysis Wastewater monitoring ±1% F.S. accuracy supports reliable field measurements Aquarium maintenance Automatic temperature compensation from 0°C to 60°C ensures consistent readings Swimming pool testing Battery life of approximately 150 hours allows extended operational use Drinking water verification 1 to 3-point calibration with solutions at 100 ppm, 1000 ppm, and 10 ppt enhances measurement flexibility
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.
