This document introduces an instrument that complies with CE directives and is used for measuring chlorine in the ultra high range. The document provides information on the specifications, precision, and accuracy of the instrument, as well as operational guides for measurement, calibration, and battery replacement.
The HI 95771 is an auto-diagnostic portable microprocessor meter designed to measure chlorine content in water samples. It features an advanced optical system with a tungsten lamp and narrow band interference filter, ensuring accurate and repeatable readings. The instrument includes a powerful CAL CHECK validation function using NIST traceable standards to verify performance at any time.
| Range (Ultra High) | 0 to 500 mg/L |
|---|---|
| Precision (Ultra High) | +/- 2 mg/L @ 100 mg/L |
| Range (Low) | 0.00 to 5.00 mg/L |
| Resolution (Low) | 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 mg/L above 3.50 mg/L |
| Precision (Low) | +/- 0.02 mg/L @ 1.00 mg/L |
| Light Source | Tungsten lamp with narrow band interference filter @ 525 nm |
| Battery Type | 1x9 volt |
| Dimensions | 180 x 83 x 46 mm (7.1 x 3.3 x 1.8") |
The instrument turns off after 10 minutes of non-use in measurement mode or after 1 hour if left in calibration mode.
The HI 95771 is warranted for two years against defects in workmanship and materials when used for its intended purpose.
The instrument requires a single 9 volt battery.