
HI-719 Magnesium Hardness Handheld Colorimeter - Checker HC
In Stock 2 Items available
HI-719
Ideal for wastewater, the HI-719 pocket checker is a simple and accurate way to measure magnesium hardness.Checker®HC is supplied with reagents for 25 tests. Use code HI-719-25 (25 tests) for future purchases.
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.
Key features
- 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
Ideal for
- Water purification systems
- Heating and cooling systems
- Drinking water
- Wastewater
Supplied with
- 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
- Instructions
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
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.
Safety Data Sheets
When using any form of chemical, such as Hanna reagents, it is important you download the relevant safety data sheet and make yourself aware of any precautions you should take when handling the chemical. You can access our library of safety data sheets and download a copy by following the link below.
Please note that the '-' in HI- products should be removed from all searches to find the correct information.
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Range | 0.00 to 2.0 ppm | |
Resolution | 0.01 | |
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 | |
Weight | 64g | |
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. |