Benchtop Water Hardness Meter PH-932 (CAT#: STEM-OEM-0259-ZJF)

The Benchtop Water Hardness Meter is a laboratory-grade precision instrument designed for accurate determination of water hardness levels. It is suitable for water treatment facilities, research labs, and industrial quality control.
Accessories include: water hardness electrode, temperature probe, standard solutions (10/100 mmol/L), ionic strength adjuster, electrode holder, USB cable, and power adapter.

Water Hardness
- Range: 0.05~200 mmol/L; 0~1122 °dH; 0~2000 °fH; 0~1404 °e; 0~8020 mg/L (Ca²⁺); 0~19999 mg/L (CaCO₃); 0~11220 mg/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, 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: 0~50°C, manual or automatic
- Stability Criteria: Low or high
- Calibration Due Alarm: 1 to 31 days or off
- Memory: 500 data sets
- Communication Interface: USB
- Connector: BNC, 3.5mm jack socket
- Display: Custom LCD (125×100 mm)
- Power Requirements: DC5V power adapter
- Dimensions: 210×188×60 mm
- Net Weight: 1.5 kg
- Packing Size: 310×240×180 mm
- Gross Weight: 1.7 kg

Supports 2 to 5 points calibration across a wide concentration range.
Selectable water hardness units: mmol/L, mg/L, °dH (German), °e (English), and °f (French).
Automatic temperature compensation ensures accurate results over the entire measurement range.
Auto-Read function detects and locks the measurement endpoint automatically.
Calibration due alarm reminds users to perform regular calibration.
Customizable settings via setup menu, including number of calibration points and stability criteria.
Reset function restores all settings to factory defaults.
Built-in memory can store and recall up to 500 sets of data.
Equipped with USB communication interface for easy data transfer to a PC.

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