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Hanna DiST 3 Waterproof Low-Range EC Tester



SKU: TST-HI-98303

The Hanna Instruments Waterproof EC Tester is an efficient pocket-sized meter that monitors the quality of water applications such as drinking water, irrigation lines, water conditioning, and more. Featuring a user-friendly design, the tester is easy to operate with an ON/OFF button and a button for quick calibration. The large LED screen provides all the vital information you need in one screen, displaying EC, temperature, calibration tag, battery level, and instability level.

  • Measures up to 2000 µS/cm
  • Exposed temperature sensor
  • Ergonomic design

In stock

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Hanna DiST 3 Waterproof EC Tester

The Hanna Instruments HI98303 DiST® 3 is a low-range electrolytic conductivity (EC) tester than can measure up to 2000 µS/cm making it ideal to monitor a variety of water quality applications including drinking water, water conditioning, irrigation water, and environmental monitoring. The DiST® 3 is a rugged and reliable pocket-sized tester for use in the lab or field. This modern-looking meter is only 0.7″ thick and extremely ergonomic, fitting comfortably in your hand. This tester keeps things simple with a two-button operation; one for ON/OFF, the other for calibration.

Features and Benefits

  • Slim, Ergonomic Design: With rounded edges and a case that is only 17 mm (0.7”) thick, the HI98303 is thin and fits comfortably in the hand or pocket.
  • Large Multi-level LCD: The LCD is 29 mm (1.125”) x 20 mm (0.81”) allowing the user to easily read both EC and temperature simultaneously.
  • Two-button Operation: One for ON/OFF, the other for calibration.
  • Exposed Temperature Sensor: Exposed temperature sensor allows for quick Automatic Temperature Compensated measurements. Temperature can be displayed in either oC or oF.
  • Graphite Sensor: Reduces polarization effects and does not oxidize resulting in a reliable and accurate reading.
  • Automatic Calibration: Automatic calibration at 1413 µS/cm with a single push of a button.
  • Stability Indicator: A clock tag stability indicator will disappear to alert the user when the reading is stable.
  • Automatic Shut-off: User-selectable time until meter shuts off to conserve battery life. Options are 8 min, 60 min or disabled.
  • Low Battery Indicator: Low battery indicator that is displayed when less than 10% battery life is remaining.
  • Battery % Level at Startup: At start-up, all the LCD segments are displayed for 1 second, then the percent indication of the remaining battery life is displayed.

Technical Specifications

Hanna DiST 3 Waterproof EC Tester Manual

EC Range 0 to 2000 μS/cm
EC Resolution 1 μS/cm
EC Accuracy ±2% F.S
TDS Calibration automatic, one-point at 1413 mS/cm
EC/TDS Temperature Compensation automatic from 0 to 50°C (32 to 122°F)
Temperature Range 0.0 to 50.0°C/32.0 to 122.0°F
Temperature Resolution 0.1°C / 0.1°F
Temperature Accuracy ±0.5°C / ±1.0°F
Battery Type / Life CR2032 3V Li-ion / approx. 250 hours of continuous use
Environment 0 to 50°C (32 to 122°F); RH 100% max


Weight .61 lbs
Dimensions 1.75 × 3 × 6.75 in


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