Calcium Hardness Checker HC

High precision results - more accurate than chemical test kits

HN/000720 - Calcium Hardness Colorimeter – Checker HC

Achieve accurate water testing results with our simple handheld colorimeter.

Our calcium hardness colorimeter offers you a middle ground between advanced instrumentation and your typical chemical test kit.

Standard test kits have limited accuracy since they rely upon the human eye to match colors.

Our handheld colorimeter eliminates the hassle of matching to a color chart by providing a direct calcium hardness result digitally.

Stock up on reagents! This checker includes a starter kit for 50 tests.

How to use Hanna Checker Handheld Colorimeter

Details

The HN/000720 Checker HC (Handheld Colorimeter) is a simple, accurate, and cost effective way to measure calcium
Designed as a more accurate alternative to chemical test kits, the HI720 provides quick, accurate results in a few easy steps

Features at-a-glance

Technical specifications

Range		0.00 to 2.70 ppm
Resolution		0.01 ppm (mg/L)
Accuracy (@ 25°C)		± 0.20 ppm ± 5% of reading
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 10 minutes of non-use
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, Calmagite method. The reaction between calcium and reagents causes a reddish-violet tint in the sample

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