This document introduces the use of HI 95771A-0 / HI 95771B-0 Chlorine UHR （ultra high sensitivity）water quality test meter, including instrument power on, sample testing, measurement results and other steps.
This document is the instruction manual for the Hanna Instruments HI96771 Free Chlorine & Chlorine Ultra High Range ISM (In Situ Meter). It provides comprehensive guidance on the preliminary examination of the instrument, including checking for damage and verifying the included accessories such as sample cuvettes, caps, and batteries. The manual details the technical specifications, including measurement ranges, accuracy, resolution, and environmental requirements for both Chlorine Low Range (LR) and Chlorine Ultra High Range (UHR) modes.
| Range (Chlorine LR) | 0.00 to 5.00 mg/L |
|---|---|
| Range (Chlorine UHR) | 0 to 200 mg/l |
| Accuracy (Chlorine LR) | 0.09 mg/L +3% of reading |
| Accuracy (Chlorine UHR) | 3 mg/L +3% of reading |
| Resolution (Chlorine LR) | 0.01 mg/L (0.00-3.50 mg/l) |
| Resolution (Chlorine UHR) | 1 mg/L |
| Light Source | Tungsten lamp |
| Light Detector | Silicon Photocell |
| Battery Type | x 9 volt |
| Dimensions | 192 x 104 x 69 mm |
The accuracy is 0.09 mg/L +3% of reading at 25°C.
The accuracy is 3 mg/L +3% of reading at 25°C.
An Over Range condition occurs, indicated by a flashing value of the maximum concentration.
The error message 'Standard Low' will appear on the display.