Hanna HI96735 Total Hardness EPA Portable Photometer(0-750 mg/L (ppm) CaCO₃)

Warranty:  12 month
Range:
– Hardness LR (P1): 0 to 250 mg/L (ppm) CaCO₃;
– Hardness MR (P2): 200 to 500 mg/L (ppm) CaCO₃;
– Hardness HR (P3): 400 to 750 mg/L (ppm) CaCO₃
Resolution:
– Hardness LR (P1): 1 mg/L from 0 to 100 mg/L, 5 mg/L from 100 to 250 mg/L;
– Hardness MR (P2): 1 mg/L from 0 to 100 mg/L, 5 mg/L from 100 to 500 mg/L;
– Hardness HR (P3): 5 mg/L
Accuracy @ 25°C (77°F):
– Hardness LR (P1): ±5 mg/L ±4% of reading;
– Hardness MR (P2): ±7 mg/L ±3% of reading;
– Hardness HR (P3): ±10 mg/L ±2% of reading
Light Source: tungsten lamp
Light Detector: silicon photocell with narrow band interference filter @ 466 nm
Method: adaptation of the EPA recommended method 130.1
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
Battery Type: 9V battery
Dimensions: 193 x 104 x 69 mm (7.6 x 4.1 x 2.7”)
Weight: 360g (12.7oz.)
Ordering Information: HI96735 is supplied with sample cuvettes (2) with caps, 9V battery, instrument quality certificate and instruction manual. CAL Check™ standards and testing reagents sold separately.