Description
◇ Online single channel PH or ORP controller.
◇ Three-point calibration function, automatic identification of calibration liquid and the error calibration.
◇ Programmable manual /Auto temperature compensation, the adaptation of various types of PH/ORP electrode.
◇ High/Low limit relay control output signal.
◇ Isolation reversible Migration 4-20mA current output signal.
◇ Modbus RS485 RTU communication output signal.
◇ ABS Enclosure protection grade:NEMA4X/IP65.
◇ AC input be fused and self-recovery function.
◇ ESD over voltage protection is available.
Main Technique Specifications
|
Function Model |
PH/ORP-6850 – Single channel PH/ORP Controller |
|
Range |
PH: 0.00～14.00 pH , ORP: -1200～＋1200 mV |
|
Accuracy |
pH: ±0.1 pH,ORP: ±2mV |
|
Temp. Comp. |
0–100 ℃, manual / automatic ( PT1000, PT100, NTC 10k, RTD ) |
|
Operation Temp. |
0～60℃ (Match Normal temp sensor) 0～100℃(Match high temp sensor) |
|
Sensor |
Two/ Three Composite PH sensor, ORP sensor |
|
Calibration |
4.00; 6.86;9.18 Three Point Calibration |
|
Display |
128 * 64 dot matrix LCD |
|
Current output signal |
Isolation, Reversible Transferable 4-20mA signal output, max circle resistance 750Ω |
|
Control output signal |
High and low limit alarm contact each group（3A/250 V AC） normal open contact relay |
|
Communication signal |
Modbus RS485, baud rate: 2400, 4800, 9600 |
|
Power supply |
AC220V±10%, 50/60Hz (standard), AC110V, DC24V, 12VDC (optional) |
|
Protection Grade |
IP65 |
|
Working environment |
Ambient Temp. 0～70℃; Relative Humidity ≤95% |
|
Overall dimensions |
96×96×130mm (H X W X D) |
|
Hole dimensions |
92×92mm (H X W) |
Application
Widely used for chemical, pharmaceutical, printing and dyeing, metallurgy, electroplating, environmental protection, water treatment, aquaculture and other process detection and control of PH/ ORP value.
