This document is an instruction manual for HI 93701 Free Chlorine ISM. It provides information about the design, construction, and appearance of the instrument, warranty terms, and repair services.
The HI 93701 is a portable microprocessor meter designed to measure free chlorine content in water and wastewater within the range of 0.00 to 2.50 mg/L. It utilizes an exclusive positive-locking system for the cuvet and employs the DPD method 330.5 for analysis. The instrument features an auto-shut off function and a liquid crystal display that shows measurement codes and status indicators.
| Range | 0.00 to 2.50 mg/L |
|---|---|
| Resolution | 0.01 mg/L |
| Accuracy | + 0.03 mg/L + 3% of reading |
| Light Source | Light Emitting Diode @ 555 nm |
| Method | DPD method 330.5 |
| Light Detector | Silicon Photocell |
| Environment | 0 to 50°C (32 to 122°F) |
| Battery Type | 1 x 9 volt |
| Dimensions | 80 x 83 x 46 mm |
| Weight | 290 g |
The meter measures free chlorine content in the 0.00 to 2.50 mg/L (ppm) range.
The battery life is approximately 40 hours.
The display shows a "V" indicating low voltage, and the meter will lock up if the battery is dead.
The powder procedure requires one packet of HI 93701 DPD reagent.