Hanna Instruments Marine Phosphate Ultra Low Range Colorimeter - Checker HC

Hanna Instruments Marine Phosphate Ultra Low Range Colorimeter - Checker HC


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Orthophosphates are found in natural and waste waters. They are commonly added to drinking water as a corrosion inhibitor. The instantaneous analysis of orthophosphate by colorimetric determination provides rapid results using a standard analysis technique.

The HANNA HI774 Checker®HC bridges the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and only give 5 to 10 points resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain.

Weighing a mere 65 g (2.3 oz.), the Checker®HC easily fits into the palm of your hand or pocket. Use for quick and accurate on the spot analysis.Single button operation: Zero and Measure Operated by a single AAA battery


  • Accurate and affordable Phosphate measurement
  • Designed to work with HANNAs powder reagents Uses 10 mL glass cuvettes.
  • It features a resolution of 0.01 ppm (250 points) and 4% 0.04 accuracy of reading.
  • Uses an adaptation of Standard Method 4500-P E.
  • Fits in your palm and pocket perfectly and the large LCD is easy to read.
  • The auto shut-off feature assures the battery life will not be drained if you forget to turn it off.

Extremely simple to use. First, zero the instrument with your water sample. Next, add the reagent. Last, place the vial into the HI774 Checker®HC, press the button, and read the results. It's that easy.

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