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Color of Water Checker® HC - HI727

The Hanna Color of Water Checker® is an affordable alternative to professional instrumentation for measuring the color of drinking water. The Hanna Color of Water Checker® uses a fixed wavelength LED and silicon photo detector to provide similar accuracy of professional instrumentation.

  • Compact, Portable Design
  • One-Button Operation


The HI727 Checker®HC (Handheld Colorimeter) provides a simple, accurate and cost-effective way to measure the color of water. Used in drinking water and wastewater, the color of water may indicate the presence of undesirable and potentially harmful material, such as organic matter. Other harmless constituents of water such as tannins, iron and manganese, may also be present and impart color. The HI727 reports the color of water from 0-500 PCU (Platinum Cobalt Units).

Features at-a-glance:

  • Easier to use and more accurate than chemical test kits
  • Dedicated to a single parameter
  • Small size, big convenience
  • Ideal for: Water Quality, Environmental, Education

Additional information

Weight 0.3 kg



Name Color of Water Checker® HC – HI727
Color, Water Range 0 to 500 PCU
Color, Water Resolution 5 PCU
Color, Water Accuracy ±10 PCU ±5% of reading
Color, Water Method adaptation of the Standard Methods for the Examination of Water and Wastewater, 21st edition, Colorimetric Platinum Cobalt method.
Photometer/Colorimeter Light Source LED @ 470 nm
Photometer/Colorimeter Light Detector silicon photocell
Battery Type/Life (1) 1.5V AAA
Automatic Shut-Off after ten minutes of non-use
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Weight 64 g (2.25 oz.)
Dimensions 81.5mm x 61mm x 37.5mm (3.2 in. x 2.4 in. x 1.5”)

Ordering Info

HI727 Checker® is supplied with (2) sample cuvettes with caps, battery, instructions and quick start guide.


Color of Water Checker® HC – HI727