Hanna HI96745 Chlorine, Total Hardness, Iron LR and pH Portable Photometer
- User calibration
- Certified calibration and verification standards
- BEPS (Battery Error Prevention System)
- TIMER function
- Auto shut-off
- GLP Features
Chlorine and pH are two of the most closely monitored parameters in water quality tests. Hardness is also an important parameter, attentively regulated to reduce waste or ensure proper functioning of equipment. Iron can cause an unpleasant taste or stain kitchenware or laundry.
The HI 96745 is a powerful instrument to keep all these parameters under control. The reagents are in liquid or powder form and are supplied in bottles or in packets.
The cuvette has a very important role because it is an optical element and thus requires particular attention. It is important that both the measurement and calibration (zeroing) cuvettes, are optically identical to provide the same measuring conditions.
HI 96745 is supplied with sample cuvettes (2) with caps, battery and instructions.
Range pH 6.5 to 8.5 pH
Chlorine 0.00 to 5.00 mg/L (ppm)
Total Hardness 0.00 to 4.70 mg/L (ppm)
Iron LR 0 to 1.60 mg/L (ppm)
Resolution pH 0.1 pH
Chlorine 0.01 mg/L under 3.50 mg/L;
0.10 mg/L above 3.50 mg/L
Total Hardness 0.01 mg/L
Iron LR 0.01 mg/L
Accuracy @25°C pH ±0.1 pH
Chlorine ±0.03 mg/L ±3% of reading
Total Hardness ±0.11 mg/L ±5% of reading
Iron LR ±0.01 mg/L ±8% of reading
Light Source tungsten lamp
Light Detector silicon photocell with narrow band interference filter @ 525 nm
Power Supply 9V battery
Auto-off after ten minutes of non-use in measurement mode; after one hour of non-use in calibration mode; with last reading reminder.
Environment 0 to 50°C (32 to 122°F); RH max 95% non-condensing
Dimensions 192 x 104 x 69 mm (7.6 x 4.1 x 2.7″)
Weight 360 g (12.7 oz.)
Method pH Phenol Red method
Chlorine adaptation of the USEPA method 330.5and Standard Method 4500-Cl G
Total Hardness adaptation of the Standard Methods for the examination of Water and Wastewater, 18th ed., colorimetric method
Iron LR adaptation of the TPTZ method
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