Portable Water Hardness Meter PH-322 Biobase

Portable Water Hardness Meter PH-322 Biobase

The PH-322 Portable Water Hardness Meter by Biobase is a lightweight and reliable instrument designed for accurate water hardness measurement in the field or laboratory. It provides multiple calibration points, selectable hardness units, automatic temperature compensation, and data storage. With its portable design and USB connectivity, it is suitable for environmental monitoring, industrial applications, and water treatment processes.

Features

1. 2 to 5-point calibration covering a wide range of concentrations (0.01–100 mmol/L).

2. Multiple selectable hardness units: mmol/L, mg/L, German degree (°dH), English degree (°e), and French degree (°f).

3. Automatic temperature compensation for accurate measurements in varying conditions.

4. Auto-Read function detects and locks stable measurement endpoints.

5. Calibration due alarm reminds the user to recalibrate at regular intervals.

6. Auto-power off function (10, 20, or 30 minutes) extends battery life.

7. Setup menu allows customization of calibration points, stability criteria, and measurement parameters.

8. Reset function restores all settings to factory defaults.

9. Expanded memory stores up to 500 data sets with recall function.

10. USB communication interface for data transfer to PC or connection to a power adapter.

Applications

1. On-site water hardness testing for municipal and industrial water supplies.

2. Field analysis of natural water bodies in environmental monitoring.

3. Aquaculture and agriculture water quality management.

4. Industrial water process control in food, beverage, and pharmaceutical production.

Technical Specifications

Water Hardness

• Range:

  • 0.05 ~ 200 mmol/L

  • 0 ~ 1122 °dH (German degree)

  • 0 ~ 2000 °fH (French degree)

  • 0 ~ 1404 °e (English degree)

  • 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 (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

• Compensation: 0 ~ 50°C, manual or automatic

Other Specifications

• Hold function: manual or auto-endpoint

• Auto-off: 10, 20, or 30 minutes after last key pressed

• Memory capacity: 500 data sets

• Communication: USB

• Connectors: BNC, 3.5 mm jack socket

• Display: custom LCD (80 × 60 mm)

• Power: 3 × 1.5V AA batteries or DC5V adapter

• Dimensions: 170 × 85 × 30 mm

• Net weight: 300 g

• Package size: 475 × 155 × 350 mm

• Gross weight: 2 kg

Accessories Included

1. Water hardness electrode

2. Temperature probe

3. Standard solutions (10 / 100 mmol/L)

4. Ionic strength adjuster

5. Carrying case

Conclusion

The Biobase PH-322 Portable Water Hardness Meter is a practical and efficient tool for accurate field and laboratory water hardness analysis. With multiple calibration points, selectable units, data storage, and USB connectivity, it provides reliable performance for water quality monitoring in industrial, environmental, and research applications.