HI98311 DiST® 5 EC/TDS/Temperature Tester

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An advanced, waterproof conductivity and TDS (ppm) tester for quick and easy measurements on the go.

The lightweight HI98311 offers accurate conductivity, TDS and temperature measurements in a single, portable, pocket device. No more switching between meters for your routine measurements. Great for hydroponics, aquariums, pools and ponds.


  • Waterproof and designed to float
  • Exposed temperature probe for fast response
  • Replaceable graphite electrode
  • Adjustable TDS ratio
  • Automatic Temperature Compensation (ATC)
  • Battery level and Stability indicators
  • Automatic shut-off
  • Supplied with EC/TDS Probe (HI 73311), 1413 μS/cm EC solution (HI70031 ) - 20 mL sachets (3), 1382 ppm TDS solution (HI70032) - 20 mL sachets (3), 1.5V batteries (4), electrode removal tool, quality certificate and instruction manual.



  Brand Hanna Instruments   Accuracy  
  Mfg Item HI98311   EC ±2% F.S
  Origin Country Romania   TDS ±2% F.S.
  HS Code 9027.80.8030   Temp ±0.5°C  |  ±1°F
  Range(s)     Resolution  
  EC 0 to 3999 µS/cm   EC 1 µS/cm
  TDS 0 to 2000 mg/L (ppm)   TDS 1 mg/L (ppm)
  Temp 0.0°C to 60.0°C  |  32.0°F to 140.0°F   Temp 0.1°C  |  0.1°F
  Power Four 1.5V batteries   Weight  3.5 oz. (100 g)
  Warranty 1 Year   Dimensions 6.4" x 1.6" x 1.0" (163 x 40 x 26 mm)




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