Hanna Instruments HI99300 Water resistant meter EC, TDS and temperature

HI99300 Water resistant meter EC, TDS and temperature

Article number: HI99300
Availability: Out of stock
The HI99300 is a rugged, portable EC/TDS and temperature meter housed in a case rated for IP67 conditions. It is supplied with a two-ring conductivity probe to allow for low range EC measurements from 0 to 3999 µS/cm and TDS measurements from 0 to 2000 ppm. All readings are adjusted with Automatic Temperature Compensation (ATC) and users are able to adjust the temperature correction coefficient and TDS factor for accurately compensated measurements.
  • ±2% EC/TDS Accuracy
  • Comes with all the necessary solutions and batteries- everything you need to get started measuring right away.
  • Perfect for water quality testing in manufacturing and environmental industries.


Specifications HI99300

EC Range

0 to 3999 μS/cm

EC Resolution

1 μS/cm

EC Accuracy

±2% FS

TDS Range

0 to 2000 ppm (mg/L)

TDS Resolution

1 ppm (mg/L)

TDS Accuracy

±2% F.S.

Temperature Range

0.0 to 60.0°C / 32.0 to 140.0°F

Temperature Resolution

0.1°C / 0.1°F

Temperature Accuracy (@25ºC/77ºF)

±0.5°C /±1°F

EC/TDS Temperature Compensation

automatic, 0 to 60°C (32 to 140°F) with β adjustable from 0.0 to 2.4%/°C with 0.1% step


automatic, one point at 1413 μS/cm, 1382 ppm (CONV 0.5) or 1500 ppm (CONV 0.7)

EC/TDS Factor

adjustable from 0.45 to 1.00 with 0.01 step (default 0.50)


HI76306 EC/TDS probe with internal temperature sensor, DIN connector and 1 m (3.3’) cable (included)

Battery Type/Life

1.5V AAA (3) / approximately 500 hours of continuous use. auto-off after 8 minutes of non-use


0 to 50°C (32 to 122°F); RH max 100%


143 x 80 x 38 mm (5.6 x 3.2 x 1.5’’)


320 g (11.3 oz)

Ordering Information

HI99300 is supplied with HI76306 EC/TDS probe, batteries, instruction manual, and rugged carrying case.


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