Conductivity meter



-Multi range conductivity meter for laboratory use
-Can be used for various applications from deionized water to brine
-Automatic temperature enables highest accuracy
-For various strong acids or bases the temperature coefficient can be adjusted between 0% and 2.5% per °C
-Instrument is supplied with 4-ring, potentiometric probe for all 4 ranges
Ranges/Resolution: 0.00 to 199µS/0.1 µS
0 to 1999µS/1 µS
0 to 19.99mS/0.01mS
0 to 199.9mS/ 0.1mS
Accuracy: ±1% Full Scale
Temperature compensation: automatic from 0 to +50°C
Calibration: manual single point trough trimmer
Battery: 1 x 9 Volt
Operating temp. range: 0 to +50°C
Dimensions: 164mm x 76mm x 45mm
Weight: 500g





  • Resolution/Range: 0.00 to 10.00 ppt / 0.01ppt
  • Accuracy: ±2% F.S.
  • TDS Factor: 0.5
  • Calibration Solution: HI 70032
  • Calibration: manual, 1 point
  • Probe: HI 73301
  • Temperature Compensation: automatic, 0 to 50°C (32 to 122°F)
  • Battery Type / Life: 4 x 1.5V / approx. 200 hours of continuous use
  • Environment: 0 to 50°C (32 to 122°F); RH max 95%
  • Dimensions: 175 x 41 x 23 mm (6.9 x 1.6 x 0.9″)
  • Weight: 95 g (3.4 oz.)


iST testers are reliable, pocket-sized instruments that will give you quick and accurate readings of TDS.

This popular line of Dissolved Solids Testers have been redesigned to offer a host of improvements.

The casing has been modified to provide increased strength, a better fit for holding and a large LCD for easy viewing. The graphite sensors provide better repeatability since they do not oxidize. The casing has been engineered to allow air bubbles to escape. The temperature sensor is exposed to provide faster response time.

If calibration is necessary, simply submerge the electrode tip into calibration solution and adjust the trimmer on the side of the tester.

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