Measurement Range: 0–2, 0–10, 0–50, 0–150 mg/L (customizable)
Detection Method: Salicylic acid spectrophotometry (HJ 536-2009 standard)
Detection Limit: 0.01 mg/L; Measurement accuracy: ±0.05mg/L (≤0.5 mg/L)
Reagent Consumption: Only 0.7 mL per reagent/test
Data Storage: 50,000 historical records; RS232/RS485 + 4-20mA outputs
Measurement Cycle: Minimum 15 minutes per test
Installation: Wall-mounted or cabinet-mounted; 420×600×240 mm; 17.5kg
 

Measurement Method: Colourimetric titration for total water hardness
Measurement Range: Multiple selectable ranges from 0.53 to 534 ppm
Accuracy: ±5% of full-scale value per reagent
Reagent Consumption: Approx. 0.20 ml per analysis, ~2500 analyses per 500 ml reagent
Power Supply: 85-265 Vac, 25 VA (operation), 3.5 VA (standby)
Environmental Requirements: Operating temperature 10°C–40°C; sample water temperature 5°C–40°C; humidity 20-90% RH
Protection Level: IP54, analogue 4-20mA output (optional)