Key Specifications
- Input
- pH/ORP electrode
- Sampling period
- 125 ms
- Control mode
- Hi/Lo dual control, relay SPDT contact, max 250VAC/3A
- Power
- 85-264VAC, 45/60Hz
Environment, Pressure & Water Treatment
pH/ORP Controller
The pH/ORP800 controller is used in water-treatment and mixing systems. It accepts pH or ORP electrode inputs and supports two-point calibration, control output, communication and measured-value transmission.
Technical Detail
The pH/ORP800 controller is used in water treatment and mixing systems. It accepts pH or ORP electrode signals, supports two-point calibration, high/low control outputs, RS232/RS485 communication and isolated 4-20mA transmission.
| PH/ORP800 | / | Display | / | Communication |
| (1) | (2) |
| LCD | LCD display |
|---|---|
| LED | LED numeric display |
| 0 | No communication |
|---|---|
| 232 | RS232, 3-wire, isolated, communication distance 12m |
| 485 | RS485, 2-wire, isolated, communication distance 1.2km |
| BS | Measured-value transmission |
Example: PH/ORP800/LED/485 means an LED-display controller with RS485 communication.
| Input | pH/ORP electrode |
|---|---|
| Sample rate | 125 ms |
| Calibration | Two-point calibration |
| Display | LCD or LED display |
| Control mode | Hi/Lo two-group control; relay SPDT contact, max. 250VAC / 3A |
| Communication | RS485 or RS232 |
| Power supply | 85-264VAC, 45/60Hz |
| Environment | Operating temperature 0-50°C, relative humidity ≤85% |
| Transmission output | Isolated 4-20mA DC output, programmable measurement range, maximum load 500Ω |
| Dimensions | 96 x 96 x 125 mm (H x W x D) |
| Panel cutout | 92 x 92 mm |