Hanna Instruments HI97735C Portable Total Hardness Photometer, 0-750 mg/L (CACO3)

Hanna Instruments HI97735C Portable Total Hardness Photometer, 0-750 mg/L (CACO3)

Combining precision and ease of use in a simple, portable design.
An advanced optical system provides greater accuracy and laboratory-quality measurements.
Total hardness measurement range up to 750 mg/L (ppm) CaCO3. Light Source: Light Emitting Diode (LED)
Filter Bandwidth: 8 nm
Filter Wavelength Accuracy: ±1.0 nm
Light Detector: Silicon photocell with narrowband interference filter at 466 nm
Cell Type: Round, 24.6 mm diameter

Total Hardness Specifications
Hardness Range: Low: 0 to 250 mg/L, Medium: 200 to 500 mg/L, High: 400 to 750 mg/L (ppm) CaCO3
Hardness Resolution: 1 mg/L from 0 to 750 mg/L (ppm) CaCO3
Hardness Accuracy: Low: ±5 mg/L ±4% of reading; Medium: ±7 mg/L ±3% of reading, High: ±10 mg/L ±2% of reading
Hardness Method: Adapted from EPA Method 130.1
128 x 64 pixel black and white LCD display with backlight
Automatic Shutdown: Meter turns off after 15 minutes of inactivity (30 minutes after sample measurement)
Environmental Conditions: 0 to 50°C, max. RH 95% non-condensing
Battery Type: 1.5V AA alkaline battery (3 pieces)
Dimensions: 142.5 x 102.5 x 50.5 mm
Weight: 380 g