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HANNA Iodine Handheld Colorimeter


HI-718 Iodine Handheld Colorimeter - Checker®HC

Quicker and easier to use than chemical test kits, the new HI-718 Iodine Checker from Hanna will give you accurate results in an instant.

Weighing a mere 64 g, the Checker easily fits into the palm of your hand or pocket making it perfect for quick and accurate on the spot analysis. The large LCD is easy to read and the auto-shut-off feature ensures the battery life will not be drained if you forget to turn it off.

Ideal for

  • Freshwater Aquaculture
  • Fruit and vegetable sanitation
  • Industrial processes and disinfection
  • Drinking water and quality control checks

Please note: the HI-718 Iodine Checker cannot be used for swimming pool or spa water testing due to chlorine interference.

Key features

  • Accurate and easy to use
  • Accuracy ±0.1 mg/L (ppm)
  • 0.01 mg/L (ppm) resolution
  • Designed to work with Hanna reagents
  • Large easy to read digits
  • Auto shut-off
  • Fits into the palm of your hand and pocket

Four steps. One click. Instant Readout.

1. ‘Zero’ the Checker®HC with your vial inside

2. Place a 10ml water sample into the vial and add your reagent

3. Place your vial into your Checker®HC

4. Press the button and read the results

Battery powered – Allows use away from a power source. Batteries are included with all battery operated products.

Use Calibration check set HI-718-11 with the HI-718 Iodine Handheld Colorimeter - Checker®HC

Use reagents HI-718-25 with the HI-718 Iodine Handheld Colorimeter - Checker®HC, x 25 tests.


Specifications list


Range 00.0 to 12.5 ppm (mg/L)
Resolution 0.1 ppm (mg/L)
Precision 5% of reading ±0.1 ppm (mg/L)
Light Source LED @ 525 nm
Light Detector Silicon photocell
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Battery Type (1) 1.5V AAA
Auto-off After 2 minutes of non-use and after read
Dimensions 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”)
Weight 64 g (2.25 oz.)
Method Adaptation of the standard methods for the examination of water and wastewater, 18th edition, DPD Method.