Ideal for water quality testing, the Hanna Instruments-749 Checker is a simple, accurate, and cost effective way to measure low ranges of Chromium VI in fresh water.
Checker®HC is supplied with reagents for 6 tests. Use code Hanna Instruments-749-25 (25 tests) for future purchases.
The Hanna Instruments-749 Checker is a simple, accurate, and cost effective way to measure low ranges of chromium VI in fresh water.
Designed as a more accurate alternative to chemical test kits, the Hanna Instruments-749 provides quick, accurate results in four easy steps.
The Hanna Instruments-749 uses an adaptation of the ASTM Manual of Water and Environmental Technology D1687-92, Diphenylcarbohydrazide method. The reaction between chromium VI and the reagent causes a purple tint in the sample.
- Small palm-sized design
- Accurate from ±2 ppb ±4% of reading
- Dedicated to a single parameter
- Uses a single AAA battery
- Auto Power Off after 10 minutes in inactivity
- Built-in timer for timed reaction readings
- Water Quality
The Hanna Instruments-749 Checker®HC is supplied with 2 cuvettes and caps, reagent starter kit (6 packets of chromium VI LR reagent - re-ordering information Hanna Instruments-749-25 x 25 tests), 1 x 1.5V AAA battery, and an instruction manual.
Also available: Calibration set Hanna Instruments-749-11.
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