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Elcometer 138 Conductivity Meter

Product Description

Incorporating a flat sensor, the Elcometer 138 Conductivity Meter can measure the conductivity of a solution from a single drop of a sample.

Users can either place a sample on the conductivity meter’s flat sensor or immerse the meter’s sensor directly into the solution under test. The Elcometer 138 Conductivity Meter can be used for a broad range of applications, including: soluable salt concentrations, the electric conductivity (EC) of solutions used in agricultural operations and measuring rainwater pollution levels.

The Elcometer 138 Conductivity Meter includes a convenient salinity conversion indicator.

The Elcometer 138 Conductivity Meter features:

  • Highly precise measurements can be obtained from a single drop
  • Automatic range switching gives a wide measurement range of 1μs/cm to 19.9mS/cm
  • Out of range and low battery alarms
  • Visual indication when ambient temperature is outside the operating range
Part Number Description
T13823925 Elcometer 138 Conductivity Meter
Units S/cm, S/m, % Salinity, ppm (Total Dissolved Salts - TDS)
Measurement Range Conductivity: 0 mS/cm to 19.9 mS/cm, 0 S/m to 1.99 S/m
Salt: 0% to 1.1%
TDS: 0 ppm to 9900 ppm
Resolution 0 μS/cm to 199 μS/cm: 1 μS/cm
0.20 mS/cm to 1.99 mS/cm: 0.01 mS/cm
2.0 mS/cm to 199 mS/cm: 0.1 mS/cm
20 mS/cm to 199 mS/cm: 1 mS/cm
Accuracy 0 μS/cm to 199 μS/cm: ± 5 μS/cm
0.20 mS/cm to 1.99 mS/cm: ± 0.05 mS/cm
2.0 mS/cm to 199 mS/cm: ± 0.5 mS/cm
20 mS/cm to 199 mS/cm: ± 5 mS/cm
Operating Temperature 5°C to 40°C (41°F to 104°F)
Power Supply 2 x CR2032 lithium batteries
Battery Life approx. 400 hours of continuous use
Weight 47g (1.7oz)
Dimensions 164 x 29 x 20mm (6.5 x 1.2 x 0.8”)
Packing List Elcometer 138, 14ml (0.5fl oz) bottle of standard 1.41mS/cm calibration solution, 14ml (0.5fl oz) bottle of moistening solution, syringe, 2 x CR2032 lithium batteries and operating instructions
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