Description
The new HI 771 Checker®HC ultra-high range Total Chlorine handheld colorimeter is a simple, accurate, and cost effective way to measure ultra-high ranges of Total Chlorine. It was designed as a more accurate alternative to chemical test kits and it provides quick, accurate results in four easy steps:
- Step One - Add a sample to the included cuvette(s)
- Step Two - Insert sample into the Checker®HC and zero it out
- Step Three - Remove sample and add reagents
- Step Four - Reinsert sample and click the button to measure your results or . . . Press and hold the button for 3 seconds for a time reaction reading
The Checker®HC ultra-high range Total Chlorine colorimeter uses an adaption of the Standard Methods for Water and Wastewater method 4500Cl.
Benefits:
- 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 of inactivity
- Built-in timer for timed reaction readings
- Six-month warranty
Primary Applications:
- Water Quality
- Education
- Food Processing
- Hospitality
- Sanitization
Specifications:
| Range | 0 to 500 ppm |
| Resolution | 1 ppm |
| Accuracy (@25°C/77°F) | ±3 ppm; ±5% of reading |
| Measurement Method | Colormetric |
| Light Souce | Photodiode @525nm |
| Light detector | Silicon photocell |
| Method | Adaptation of the Standard Methods for Water and Wastewater method 4500Cl. |
| 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 x1.5) |
| Weight | 64 g (2.25 oz.) |
Additional Models:
| 90-2619-01 | Free Chlorine Checker®HC HI701 |
| 90-2619-02 | Total Chlorine Checker®HC HI 711 |
| 90-2619-03 | Free Phosphate Checker®HC HI 713 |
| 90-2619-04 | Free Iodine Checker®HC HI 718 |
| 90-2619-05 | Free Iron Checker®HC HI 721 |
| 90-2619-06 | Low Range Fluoride Checker®HC HI 729 |
| 90-2619-07 | Calcium Checker®HC HI 758 |
| 90-2619-08 | High Range Silica Checker®HC HI 770 |
| 90-2619-09 | Color of Water Checker®HC HI 727 |
| 90-2619-12 | Ultra Low Range Phosphorus Checker®HC HI 736 |
| 90-2619-13 | Alkalinity Checker®HC HI 755 |
| 90-2619-14 | Ultra Low Range Nitrite Checker®HC HI 764 |
| 90-2619-15 | High Range Phosphorus Checker®HC HI 706 |
| 90-2619-16 | High Range Nickel Checker®HC HI 726 |
|
90-2619-17
|
High Range Phosphate Checker®HC HI 726 |
| 90-2619-18 | High Range Chromium VI Checker®HC HI 717 |
| 90-2619-39 | High Range Ammonia Checker®HC HI 733 |
| 90-2619-60 | Low Range Ammonia Checker®HC HI 700 |
| 90-2619-90 | Ultra High Range Total Chlorine Checker®HC HI 771 |
Specifications
| D.O.T. Number | UN3260, 8, P.G. II |
|---|---|
| Manufacturer | Hanna Instruments |
| Model No | HI771 |

