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At AquaCave, we offer some of the best selection & best prices on Hanna Checkers HC Handheld Colorimeters for your marine, reef, and freshwater aquarium. HANNA Checkers HC bridge the gap between simple chemical test kits and professional instrumentation.
HANNA HI Checkers HC bridge the gap between simple chemical test kits and professional instrumentation. Chemical test kits are not very accurate and have low resolution while professional instrumentation can cost hundreds of dollars and can be time consuming to calibrate and maintain. The HANNA HI Checkers HC are accurate and affordable.
The Checkers HC features an accuracy of ±5 ppm (mg/L) ±5% of reading and uses the colorimetric method.
The contoured style of this Checkers HC 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.
Hanna HI Checkers HC are extremely simple to use. After zeroing the instrument with your water sample, add the reagent to the cuvette and gently invert 5 times. Then insert the cuvette into the HI Checker HC and press the button to read the results. It’s that easy.

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56 of 56 Items