Calcium Hardness Checker_1Calcium Hardness Checker_2Calcium Hardness Checker_3
HI-720 Calcium Hardness Checker (0.00 to 2.70ppm)

The HI 720 Checker is a simple, accurate, and cost effective way to measure calcium hardness.

The HI 720 uses an 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.

Ideal for:
• Water purification systems
• Heating and cooling systems
• Wastewater
• Drinking water

Key features:
• Palm-sized design
• ±0.20ppm ±5% of reading
• Dedicated to a single parameter
• Uses a single AAA battery
• Auto Power Off after 10 minutes in inactivity

Supplied with:
• 2 cuvettes and caps
• Reagent starter kit (reagents for 25 tests)
• 2 syringes with tips
• Plastic beaker
• 1 x 1.5V AAA battery
• Instruction manual


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