By monitoring Chromium VI with the Hanna HI-723 High Range Chromium VI Checker serious human health and safety risks can be avoided..
Key features
- Accurate and easy to use
- Diphenylcarbohydrazide method
- Accuracy ±5 ppb ±4% of reading
- 1 ppb (µg/L) resolution
- Designed to work with Hanna reagents
- Large easy to read digits
- Auto shut-off
Ideal for
- Fruit and vegetable sanitation
- Drinking water and quality control checks
Supplied with
- 2 sample cuvettes
- 1 black cuvette cap
- Starter pack of 6 reagents for Iodine (re-ordering information HI-723-25 x 25 tests)
- Powder reagents for chromium VI HR (6)
- 1 x 1.5V AAA battery
- Instructions
Also available: HI-723-11 Calibration set.
Four steps. One click. Instant Readout.
1. ‘Zero’ the Checker®HC with your vial inside
2. Place a 10ml water sample into the vial 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 Reagent HI-723-25 with the HI-723 Chromium VI High Range Handheld Colorimeter - Checker®HC, x 25 tests.
Use Calibration Checking Set HI-723-11 with the HI-723 Chromium VI High Range Handheld Colorimeter - Checker®HC.
Specifications
Specifications list
Specifications
| Range | 0 to 999 ppb | |
| Resolution | 1 ppb | |
| Accuracy @ 25°C | ±5% of reading ±4 ppb | |
| Light Source | LED @ 525 nm | |
| Light Detector | silicon photocell | |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Battery Type | (1) 1.5V AAA | |
| Auto-off | after ten minutes of non-use | |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) | |
| Weight | 64 g (2.25 oz.) | |
| Method | adaptaion of the ATSM, Manual of Water and Environmental Technology, D 1687-92, Diphenylcarbohydrazide method |