HI-761 Total Chlorine Ultra Low Range Handheld Colorimeter, Checker HC
HI-761
Ideal for swimming pools & spas, the HI-761 Checker is a simple, accurate, and cost effective way to measure ultra-low ranges of total chlorine.
Checker®HC is supplied with reagents for 6 tests. Use code HI-761-25 (25 tests) for future purchases.
Ideal for swimming pools & spas.
The HI-761 Checker is a simple, accurate, and cost effective way to measure ultra-low ranges of total chlorine.
Designed as a more accurate alternative to chemical test kits, the HI-761 provides quick, accurate results in four easy steps.
The HI-761 uses an adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample.
Features
- Small palm-sized design
- Accurate from ±5ppb ± 5% 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
Ideal for:
- Swimming Pools and spas
- Water Quality - Drinking Water
- Education
- Water Purification
- Environmental
- Fruit and vegetable sanitation/disinfection & Food Processing
- Hospitality
- Fresh water and marine aquariums
Order Information:
The HI-761 Checker is supplied with 2 cuvettes and caps, reagent starter kit (6 packets for total chlorine ultra-low range - re-ordering information HI-761-25 x 25 tests), 1 x 1.5V AAA battery, and an instruction manual.
Also available: Calibration set HI-761-11.
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
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.
Read More
| Range | 0 to 500 ppb | |
| Resolution | 1 ppb | |
| Accuracy (@25°C/77°F) | ±5ppb ± 5% of reading | |
| Measurement Method | Colorimetric | |
| Light Source | Photodiode @525 nm | |
| Light Detector | Silicon photocell | |
| Method | Adaptation of the USEPA method 330.5. The reaction between the chlorine and DPD reagent causes a pink tint in the sample. | |
| Power Supply | Battery - 1 x 1.5V AAA | |
| Power Auto Off | After 10 min. of inactivity | |
| Environment | 0 to 50°C (32 to 122°F); RH max 95% non-condensing | |
| Dimensions | 81.5 x 61 x 37.5 mm (3.2 x 2.4 x 1.5”) | |
| Weight | 64 g (2.25 oz.) |
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