HANNA Magnesium Hardness Handheld Colorimeter
The HI-719 pocket checker is a simple and accurate way to measure magnesium hardness.
The HI-719 uses an adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, EDTA colorimetric method. The reaction between magnesium and reagents causes a reddish violet tint in the sample.
- Accurate and easy to use
- ±0.20 ppm ±5% of reading
- 0.01 ppm resolution
- Designed to work with Hanna reagents
- Large easy to read digits
- Auto shut-off
- Water purification systems
- Heating and cooling systems
- Drinking water
- 2 sample cuvettes with caps
- Reagents for 25 tests (re-ordering information HI-719-25 x 25 tests)
- Syringe with tip
- Plastic beaker
- 1 x 1.5V AAA battery
Also available: Calibration set HI-719-11.
Four steps. One click. Instant Readout.
1. ‘Zero’ the Checker®HC with your vial & water sample inside
2. Take the vial out and add your reagent
3. Place your vial into your Checker®HC
4. Press the button and read the results
Battery powered – Allows use away from a power source. Batteries are included with all battery operated products.
Use HI-719-25 Reagents with Hi-719 Magnesium Hardness Handheld Colorimeter - Checker®HC - 25 tests.
Use HI-719-11 Calibration Check Set with Hi-719 Magnesium Hardness Handheld Colorimeter - Checker®HC.
|Range||0.00 to 2.0 ppm|
|Accuracy @ 25°C||±5% of reading ±0.20ppm|
|Light source||LED @ 525 nm|
|Light Detector||Silicon photocell|
|Method||Adaptation of the Standard Methods for the Examination of Water and Wastewater, 18th edition, EDTA colorimetric method. The reaction between magnesium and reagents causes a reddish-violet tint in the sample.|
|Environment||0 to 50°C; RH max 95% non-condensing|
|Battery Type||(1) 1.5V AAA|
|Auto-off||After ten minutes of non-use|
|Dimensions||86.0mm x 61.0mm x 37.5mm|
|Ordering Information||HI-719 Checker® is supplied with (2) sample cuvettes with caps, reagent starter kit x 25 tests (re-ordering HI-719-25 x 25 tests), 1 x 1.5 AAA battery, instructions.|