Hanna HI 99301P Portable EC/TDS Meter


(GST 18% Exclusive)

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Hanna HI 99301P Portable EC/TDS Meter is a rugged, portable EC/TDS and temperature meter housed in a case rated for IP67 conditions. It supplies with a two-ring conductivity probe to allow for high range EC measurements from 0.00 to 20.00 mS/cm and TDS measurements from 0.00 to 10.00 ppt. All the readings are adjusted with the Automatic Temperature Compensation (ATC) and a user can able to adjust the temperature correction coefficient and TDS factor for accurately compensated measurements.

Applications: Water Conditioning, Fish Farming, Agriculture, and Water Treatment.

Hanna HI 99301P Portable EC/TDS Meter is suitable for use in applications as diverse as wastewater treatment, reverse osmosis and HVAC. It measures a high range of conductivity in mS/cm and TDS in ppt. The HI76306 EC/TDS probe is a two-ring sensor that resists clogging and also it is easy to clean. The probe also features a built-in temperature sensor to allow the Automatic Temperature Compensation from 0 to 60°C (32 to 140°F).

Features of Hanna Portable EC/TDS Meter:

  • Amperometric technology
  • Waterproof
  • Multi-level LCD display
  • HOLD
  • Automatic Temperature Compensation
  • Automatic single calibration with calibration indicator
  • BEPS
  • Battery % displayed on startup.
  • Heavy-duty
  • Easy to clean and keep clean

Additional information

Weight 1.000 kg


Model No

HI 99301P

Measuring Parameters

EC, TDS, Temperature

EC Range

0.00 to 20.00 mS/cm


±2% F.S


0.01 mS/cm

TDS ( Total Dissolved Solids )

0.00 to 10.00 ppt (g/L)


±2% F.S.


0.01 ppt (g/L)


0.0 to 60.0°C/32.0 to 140.0°F





Temperature compensation

EC/TDS: Automatic with β selectable from 2.4%/°C

EC to TDS Conversion Factor

Selectable from 0.45 to 1.00 (CONV)

Operating Temperature

0°C to 50°C

Operating Humidity

0 to 100% RH

Auto Power Off

After 8 minutes of non-use


1.5V AAA X 3

Battery Life

Approx 500 hours of continuous use

EC Calibration

Automatic, single point at 12.88 mS/cm (CONV 0.5)

TDS Calibration

Automatic, single point at 6.44 ppt (CONV 0.5)


143 X 80 X 38mm


320 Grams

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Portable High Range, TDS Meter

Hanna HI 99301P Portable EC/TDS Meter


(GST 18% Exclusive)

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