Industrial PH Meter PH-753/853

PH-753/853 online PH controller is an accurate instrument used for industrial on-line measurement and PH control. The instrument is easy to install and use, operates safely, has a strong adaptability to the environment, and requires little maintenance.

 

 Main characteristics:

1) Three-point calibration, automatic identification of solutions.

2) Provided with the functions of outputting PH maximum and minimum   alarm relay control function and setting alarm return difference.

3) Output of insulated 4～20mA current loop.

• PH value and Temperature shift function
• Power EMC anti-jamming circuit function.

 

Technical Parameters

 

type                        Function   option	PH-753	PH-853
Outputting maximum and minimum control	×	√
Insulating 4～20mA	×	√

 

Measurement range: 0.00～14.00pH

Resolution ratio: 0.02PH

Accuracy: ±0.1pH

Displaying mode:3½-digit apheliotropic liquid crystal display

Calibrating mode:Three-point calibration

(automatic identification of solutions)

Manual temperature compensation: 0～120℃

Auto temperature compensation: 0～120℃ (NTC10K)

Temperature of measured solutions: 0～120℃

Compression resistance of electrodes: 0～0.5MPa

Measurement distance: standard configuration 10m(≤40m)

Output current: insulated 4～20mA（≤500Ω）

Control output: Max. and Min. (constantly open) contact point output

Capacity of contact points: 3A/AC250V (with resistant loads)

Power supply: AC 220V±10% 50/60Hz,  AC 110V±10% 50/60Hz 

Environmental conditions: humidity: ≤85%/RH;

without strong  electromagnetic  interference except earth magnetic field

External dimensions: 48×96×100mm (height×width×depth)

The hole on the dial plate: 45×91mm,    

Installation mode: Panel Installation