HI97735 :: Total Hardness Photometer

Specification :
Hardness, Total Range    Hardness LR: 0 to 250 mg/L; Hardness MR: 200 to 500 mg/L; Hardness HR: 400 to 750 mg/L (ppm)
Hardness, Total Resolution    1 mg/L from 0 to 750 mg/L (ppm)
Hardness, Total Accuracy    Hardness LR: ±5 mg/L ±4% of reading; Hardness MR: ±7 mg/L ±3% of reading; Hardness HR: ±10 mg/L ±2% of reading
Hardness, Total Method    adaptation of the EPA recommended method 130.1
Light Source    light emitting diode
Light Detector    silicon photocell
Bandpass Filter Bandwidth    8 nm
Bandpass Filter Wavelength Accuracy    ±1.0 nm
Logging    50 readings (auto logging)
Auto-off    After 15 minutes of inactivity (30 minutes before a READ measurement)
Environment    0 to 50 °C (32 to 122 °F); 0 to 100% RH, non‑serviceable
Dimensions    142.5 x 102.5 x 50.5 mm (5.6 x 4.0 x 2.0")
Weight    380 g (13.4 oz.)

- HANNA instruments
- Made in: Romania