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Primo 5 (EC Tester with 1 µS/cm resolution)

EC  testers with1 µS/cm resolution


  • Direct probe connection

  • Automatic calibration

  • Automatic Temperature Compensation


Product Description



EC Range: 0 to 1999 µS/cm
Resolution: 1 µS/cm
Accuracy ±2% F.S.
Calibration automatic, at 1413 µS/cm ( with calibration solution HI70031P)
Temperature Compensation:Automatic, 0 to 60°C (32 to 140°F), ß=2%/°C
Additional Specifications Battery Type / Life 2 x 1.5V / approx. 200 hours; auto-off after 5 minutes of non-use
Environment 0 to 50°C (32 to 122°F); RH max 95%
Dimensions 180 x 50 x 25 mm (7.1 x 2.0 x 1.0")
Weight: 50 g (1.8 oz.)


The Primo series of testers provide a fast and dependable way to measure the total dissolved solids or conductivity in your water samples. It is ideally suited for the rigorous demands of water quality professionals. Many professionals use the cabled version of the Primo when demonstrating the before and after results of conditioning and filtration systems.

Temperature is compensated automatically to ensure the readings are consistent to the standard or reference temperature.

Operating and routine maintenance has never been easier. Primo uses a single button at the top of the meter. Press it once and the meter is powered and ready for use. Press and hold the button for a few seconds and Primo automatically enters calibration mode. Simply open a sachet of calibration solution, dip the probe in, and within seconds the meter recognizes the calibration solution and calibrates itself!


Order Information

Primo 5 with direct probe connection is supplied with batteries and instructions.