Industrial online PH/ORP controller PC-6850 is double channel PH and ORP controller. It can measure and control PH and ORP value of water continuously, the PH/ORP controller is applicable for municipal waste water treatment, chemistry, printing and dyeing, paper, medicine, plating and environmental production etc.
In accordance with the environment and characteristics of water industry, as well as the international power supply standard, considering the electricity design in special environment, the PH/ORP controller could be supplied with power 220V AC, 110V AC and safe low voltage 24V AC, 24V DC for selection.
Main Technical Specification
| Function Model |
PC-6850- double channel PH and ORP Controller |
| Range | PH:0.00~14.00 pH , ORP:-1000~+1000 mV |
| Accuracy | pH : ±0.1 pH , ORP:±2mV |
| Temp. Comp. | 0–100 ℃, manual / automatic (NTC 10k, PT100, PT1000 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 double 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) |
| 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) |
| Installation Mode | Panel Mounted (Embedded) |
Main Characteristics
English language display
Measure pH and ORP,high/low limit control, 4-20mA current output, Modbus RS485 digital communication output (Optional)
It could be set automatic/manual temperature compensation
pH high/low limit alarm light, four relays, alarm delay could be set
Instrument mode isolated transmitting port, max circle resistance up to 750Ω
PID control to actuate and control powered variable value through 4-20 mA output (optional)
Back light of LCD could select power saving mode, timing automatic off, brightness adjust,
High performance CPU, good electromagnetic compatibility
AC input be fused and self-recovery function
ESD over voltage protection is available
Password management avoid non-professional person to operate