QIUSUO Water Hardness Meter with Standard Calibration Solutions Range 0.05 to 200 mmol/L Resolution 0.001 0.01 0.1 1

QIUSUO Handheld Water Hardness Meter Water Hardness Analyzer with Calibration Points 2 to 5 Points Standard Calibration Solutions Temperature Range 0 to 105°C Solid-state Sensor Accuracy 1% F.S.

QIUSUO Portable Water Hardness Tester Lab Water Hardness Meter with Accuracy 1% F.S. Standard Calibration Solutions Solid-state Sensor Temp Range 0 to 105°C Calibration Points 2 to 5 Points

QIUSUO Portable Water Hardness Meter Water Hardness Monitor with Solid-state Sensor Standard Calibration Solutions Accuracy 1% F.S. Water Hardness Resolution 0.001 0.01 0.1 1 Temperature Range 0 to 105°C

QIUSUO Portable Water Hardness Meter Water Hardness Testing with Temperature Compensation 0 to 50°C Temperature Range 0 to 105°C Standard Calibration Solutions Water Hardness Resolution 0.001 0.01 0.1 1

QIUSUO Digital Water Hardness Tester Water Hardness Meter with Calibration Points 2 to 5 Points Standard Calibration Solutions Water Hardness Resolution 0.001 0.01 0.1 1 Temperature Range 0 to 105°C

QIUSUO Water Hardness Analyzer Digital Water Hardness Tester with Standard Calibration Solutions Temperature Range 0 to 105°C Accuracy ±0.5°C Water Hardness Resolution 0.001 0.01 0.1 1 Accuracy ±1% F.S.

QIUSUO Benchtop Water Hardness Meter with Standard Calibration Solution Range Concentration 0.05 to 200 mmol/L Resolution 0.001,0.01,0.1,1,Automatic