Portable Conductivity/TDS/Salinity Meter PH-520 Biobase

Portable Conductivity/TDS/Salinity Meter PH-520 Biobase

The PH-520 Portable Conductivity/TDS/Salinity Meter by Biobase is a compact and efficient solution for on-site water quality analysis. Designed for portability and ease of use, it offers reliable conductivity measurement with 1 to 3-point calibration, automatic temperature compensation, and USB data transfer. Its lightweight design and long battery life make it ideal for environmental monitoring, aquaculture, and field inspections.

Features

1. 1 to 3-point calibration with automatic recognition of conductivity standards.

2. Automatic electrode diagnosis displays calibration points and factors for accuracy verification.

3. Selectable cell constant and reference temperature with linear, non-linear, and pure water compensation modes.

4. Automatic temperature compensation for precise readings across the full measurement range.

5. Auto-Read function detects stable measurements and locks the reading automatically.

6. Setup menu allows adjustment of calibration points, temperature units, and auto-power off settings.

7. Reset function quickly restores all parameters to factory defaults.

8. Internal memory stores up to 100 data sets for field use.

9. USB communication interface for data transfer or power connection via adapter.

Applications

1. Field water quality monitoring for lakes, rivers, and reservoirs.

2. Industrial inspection and quick on-site conductivity verification.

3. Aquaculture monitoring to control water conductivity levels.

4. Portable laboratory testing in environmental or educational settings.

Technical Specifications

1. Conductivity range:

   • Standard (CON-1): 2 μS/cm ~ 20,000 μS/cm

   • Optional probes:

     • CON-0.01: 0.01 μS/cm ~ 0.1 μS/cm

     • CON-0.1: 0.1 μS/cm ~ 2 μS/cm

     • CON-10: 20,000 μS/cm ~ 200 mS/cm

2. Conductivity accuracy: ±0.5% F.S.

3. Conductivity resolution: 0.001, 0.01, 0.1, 1 μS/cm

4. Calibration points: 1 to 3 points

5. Calibration solutions: 10 μS/cm, 84 μS/cm, 1413 μS/cm, 12.88 mS/cm, 111.8 mS/cm

6. TDS measurement: not applicable for PH-520

7. Salinity measurement: not applicable for PH-520

8. Resistivity measurement: not applicable for PH-520

9. Temperature range: 0 ~ 105°C / 32 ~ 221°F

10. Temperature accuracy: ±0.5°C / ±0.9°F

11. Temperature resolution: 0.1°C / 0.1°F

12. Offset calibration: 1 point, reading ±10°C

13. Temperature compensation: 0 ~ 100°C, manual or automatic

14. Temperature coefficient: linear (0.0 ~ 10.0%/°C), non-linear, pure water

15. Reference temperature: 20 or 25°C

16. Cell constants: K = 0.1, 1, 10

17. Hold function: manual or auto-endpoint

18. Auto-off: 30 minutes after last key pressed

19. Memory: 100 data sets

20. Data interface: USB

21. Connector type: 6-pin mini-DIN, 3.5 mm jack socket

22. Display: custom LCD, 80 × 60 mm

23. Power supply: 3 × 1.5V AA batteries or DC5V adapter

24. Battery life: approximately 150 hours (backlight off)

25. Dimensions: 170 × 85 × 30 mm

26. Net weight: 300 g

27. Package size: 475 × 155 × 350 mm

28. Gross weight: 2 kg

Accessories Included

1. PH-520 meter

2. CON-1 conductivity electrode

3. Temperature probe

4. Standard calibration solutions

5. Carrying case

Conclusion

The Biobase PH-520 Portable Conductivity/TDS/Salinity Meter provides accurate, stable, and convenient conductivity measurements in a lightweight, field-ready design. With 1 to 3-point calibration, USB connectivity, and long battery life, it is well-suited for environmental monitoring, aquaculture, and portable laboratory applications.