pHG-1901 Industrial PH Meter

LCD display, high-performance CPU chip, high-precision AD conversion technology and SMT chip technology,

Multi-parameter, temperature compensation, high precision and repeatability

US TI chips; 96 x 96 world-class shell; world-famous brands for 90% parts

The current output and alarm relay adopt optoelectronic isolating technology, strong interference immunity and

the capacity of long-distance transmission.

Isolated alarming signal output, discretionary setting of upper and lower thresholds for alarming, and lagged 

cancellation of alarming.

High-performance operational amplifier, low temperature drift; high stability and accuracy.

1. Measuring range: 0~14.00pH,  Resolution:0.01pH

2. Precision:0.05pH,±0.3℃

3. Stability:≤0.05pH/24h

4.Automatic temperature compensation: 0~100℃(pH)

5.Manual temperature compensation:0~80℃(pH)

6. Output signal: 4-20mA isolated protection output, dual current output

7. Communication interface:RS485(optional)

8. Control interface: ON/OFF relay output contact

9.Relay load: Maximum 240V 5A; Maximum l l5V 10A

10. Relay delay: Adjustable

11.Current output load:Max.750Ω

12. Insulation resistance:≥20M

13. Power supply: AC220V ±22V, 50Hz ±1Hz

14. Overall dimension: 96(length)x96(width)x110(depth)mm;dimension of the hole: 92x92mm

15. Weight: 0.6kg

16. Working condition: ambient temperature:0~60℃, air relative humidity:≤90%

Except for the earth magnetic field, there is no interference of other strong magnetic field around.

Standard configuration

One secondary meter, the mounting sheath of immerged (selection), one PH electrode, three packs of standard

1. To inform whether the electrode provided is a dual or ternary complex.

2. To inform the length of the electrode cable (default as 5m).

3. To inform the installation type of the electrode: flow-through, immerged, flanged or pipe-based