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Calcium Hardness
- Range: 0.00 to 2.70 mg/L (as CaCO3)
- Resolution: 0.01 mg/L
- Accuracy: ±0.11 mg/L ±5% of reading at 25 °C
Measurement System
- Light source: Light Emitting Diode
- Bandpass filter: 525 nm
- Bandpass filter bandwidth: 8 nm
- Bandpass filter wavelength accuracy: ±1.0 nm
- Light detector: Silicon photocell
- Cuvette type: Round 24.6 mm diameter (22 mm inside)
Additional Specifications
- Auto logging: 50 readings
- Display: 128 x 64 pixel B/W LCD with backlight
- Auto-off: After 15 minutes of inactivity(30 minutes before a READ measurement)
- Battery type: 1.5 V AA Alkaline (3 pcs.)
- Battery life: > 800 measurements (without backlight)
- 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 (with batteries) 380 g (13.4 oz.)
- Case ingress protection rating: IP67, floating case
Included Accessories:
- HI97720 Photometer
- Cuvettes with caps (2)
- Batteries
- Instrument quality certificate
- Instruction manual
- Carrying case
Optional Accessories:
- HI93720-01: Calcium Hardness Reagent - 100 tests
- HI93720-03: Calcium Hardness Reagent - 300 tests
- HI97720-11: CAL Check® standards for Calcium Hardness Reagent - cuvette kit
- HI731318: Cloth for wiping cuvettes (4 pcs.)
- HI93703-50: Cuvette cleaning solution (230 mL)
- HI731331: Glass cuvette (4 pcs.)
- HI731336N: Cap for glass cuvette (4 pcs.)
