Phs-3c digital pH meter

  Phs-3c digital pH meter is an instrument for measuring pH of solution. It can also measure electrode potential value (MV). The setting and measurement of various parameters can be switched with selection switch, and high brightness LED digital tube display is available. The instrument adopts composite glass electrode, and the temperature value is displayed by digital tube, and temperature compensation is realized. The instrument abandons the traditional power transformer and adopts a new type of small switching power supply for instruments. The instrument has a series of perfect protection functions such as over-current detection, over-voltage and overheat automatic shutdown in the whole working process. It not only improves the reliability of the instrument, but also significantly reduces the volume and weight of the instrument, and enables the power supply voltage to work reliably and stably in a large range from 80V to 265V.

2、 Main technical indicators

1. Measurement range: pH: 0-14.00ph

mv:0-±1999mv

2. Basic error: pH: 0.01ph

mv:±0.1﹪(F.S)

3. Input impedance: ≥ 1 × 10 8

4. Stability: ≤ 0.01ph/3h

5. Temperature compensation range: 0 --- 60 ℃

6. Ambient temperature: 0-40 ℃

7. Relative humidity: less than 85 ‰

8. Power supply: ac80-265v

9. Overall dimension: 240 × 150 × 60

10. Weight: 085kg

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