Portable Water Hardness Meter

Portable Water Hardness Meter Features: 1. 2 to 5 points calibration from low to high concentrations. 2. Selectable water hardness units-mmol/L, mg/L, German degree(°dH), English degree(°e) and French degree(°f). 3. Automatic temperature compensation ensures accurate readings over the entire range. 4. Auto-Read function senses and locks the measurement endpoint. 5. Calibration due alarm prompts user to calibrate the meter regularly. 6. Auto-Power Off effectively conserves battery life. 7. Setup menu allows setting the number of calibration points, stability criteria, etc. 8. Reset function automatically resumes all settings back to the factory defaults. 9. Expanded memory stores or recalls up to 500 data sets. 10. USB communication interface for data transfer or connecting a power adapter to meter. Accessories: Water hardness electrode, temperature probe, standard solutions(10/100mmol/L), ionic strength adjuster and carrying. Technical Parameters: Model PH-322 Water Hardness Range 0.05~200mmol/L, 0~1122°dH, 0~2000°fH, 0~1404°e, 0~8020mg/L(Ca2+), 0~19999mg/L(CaCO3), 0~11220mg/L(CaO) Resolution 0.001, 0.01, 0.1, 1 Accuracy ±1% F.S. Calibration Points 2 to 5 points(0.01, 0.1, 1, 10, 100mmol/L) Temperature Range 0.0~105.0°C Resolution 0.1°C Accuracy ±0.5°C Offset Calibration 1 point, reading ±10°C Other Specifications Temperature Compensation 0~50°C, manual or automatic Hold Function Manual or auto-endpoint Auto-Off 10, 20 or 30 minutes after last key pressed Memory 500 data sets Communication Interface USB Connector BNC, 3.5mm jack socket Display Custom LCD(80*60mm) Power Requirements 3*1, 5V AA batteries or DC5V power adapter Dimension 170*85*30mm Net Weight 300g Packing Size 475*155*350mm Gross Weight 2kg