CNYST Handheld Water Hardness Meter Laboratory Water Hardness Meter with Water Hardness Standard Solutions 0.001 0.01 0.1 1 Automatic Resolution 2 to 5 Points Calibration USB Communication Interface

Features:

Professional portable water hardness meter is equipped with a backlit LCD display.

2 to 5 points calibration from low to high concentrations.

Selectable water hardness units, including mmol/L, mg/L, German degree (°dH), English degree (°e) and French degree (°fH).

Automatic temperature compensation ensures accurate readings over the entire range.

Auto-read function senses and locks the measurement endpoint.

Calibration due alarm reminds the user to calibrate the meter regularly.

Auto-power off effectively conserves battery life.

Setup menu allows setting the number of calibration points, stability criteria, etc.

Reset function automatically resumes all settings back to the factory defaults.

Multi-mode power scheme (batteries, power adapter, USB port) ensures the smooth operation of the meter.

Specifications:

• water hardness

Range: 0.05 to 200 mmol/L(Concentration); 0 to 1122°dH(German Degree); 0 to 1404°e(English Degree); 0 to 2000°fH(French Degree); 0 to 19999 mg/L(CaCO₃); 0 to 11220 mg/L(CaO); 0 to 400 mmol/L(Boiler); 0 to 8020 mg/L(Ca²⁺)

Resolution: 0.001, 0.01, 0.1, 1, automatic

Accuracy: ±1% F.S.

Calibration: 2 to 5 points (0.01, 0.1, 1, 10, 100 mmol/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 to 50°C / 32 to 122°F, manual or automatic

Hold Function: Manual / Auto-read measurement endpoint

Stability Criteria: Low or high

Calibration Due Alarm: 1 to 31 days or off

Auto-Power Off: 10 / 20 / 30 minutes after last key pressed

Memory: Stores up to 500 data sets

Output: USB communication interface

Connector: BNC, 3.5 mm jack socket

Display: Custom LCD (80 × 60 mm)

Power Supply: 3 × 1.5V AA batteries(NOT INCLUDED) or 5V DC power adapter

Battery Life: Approximately 150 hours without backlight

Environmental Conditions: 0 to 50°C / 32 to 122°F, relative humidity < 80%

Dimensions: 170 × 85 × 30 mm; Weight: 300 g