This manual will provide you with the necessary information for the correct use of the instrument. Please read it carefully before using the meter. If you need additional technical information, do not hesitate to e-mail us at [email protected].
The Hanna HI 96711C is an auto-diagnostic portable microprocessor meter designed to measure free and total chlorine content in water samples. It utilizes an advanced optical system based on a special tungsten lamp and a narrow band interference filter to ensure accurate and repeatable readings. The instrument is splash waterproof and features a positive-locking system for the cuvette to maintain consistent measurement conditions.
| Range | 0.00 to 5.00 mg/L |
|---|---|
| Resolution | 0.01 mg/L from 0.00 to 3.50 mg/L; 0.10 mg/L above 3.50 mg/L |
| Accuracy | ±0.03 mg/L ±3% of reading @ 25°C |
| Light Source | Tungsten lamp |
| Light Detector | Silicon Photocell with narrow band interference filter @ 525nm |
| Environment | 0 to 50°C (32 to 122°F); max 95% RH non-condensing |
| Battery | 1 x 9 volt |
| Dimensions | 192 x 104 x 69 mm (7.6 x 4.1 x 2.7") |
| Weight | 360 g (12.7 oz.) |
The meter measures free and total chlorine in the 0.00 to 5.00 mg/L (ppm) range.
The instrument displays a 'Battery low' message, indicating the battery must be replaced soon.
Press and hold the CAL CHECK key for three seconds until the 'CAL' tag appears.
The method is an adaptation of the USEPA Method 330.5 for wastewater and Standard Method 4500-Cl G for drinking water.