Checker pocket photometer f. Magnesium hardness (Freshwater) | S/M

HI719 Details: 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. feature 0.00 to 2.00 ppm range li feature Ideal for wastewater 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. img src=https://hannainstruments.co.uk/img/cms/CheckerReagent_1.jpg"Step 1width=200height=200  1. ‘Zero’ the Checker®HC with your vial & water sample inside img src=https://hannainstruments.co.uk/img/cms/CheckerReagent_2.jpg"Step 2width=200height=200  2. Take the vial out and add your reagent img src=https://hannainstruments.co.uk/img/cms/CheckerReagent_3.jpg"Step 3width=200height=200  3. Place your vial into your Checker®HC img src=https://hannainstruments.co.uk/img/cms/CheckerReagent_4.jpg"Step 4width=200height=200  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. 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.