The ALTEC PH/ORP800 instruction manual provides installation, wiring, panel operation, calibration, serial communication and maintenance details for the…
The PH/ORP800 is a micro‑computer‑controlled pH/ORP controller designed for water treatment, electroplating, chemical, pharmaceutical and food applications. It offers waterproof and acid‑base resistant construction, LED or LCD display options, and isolated RS‑232/RS‑485 communication.
This manual covers the controller’s physical installation, electrical connections, panel description, operation procedures, two‑point pH and ORP calibration, serial communication protocol, routine maintenance, and technical specifications. This manual is written in Chinese.
| Power supply voltage | 85~264 V AC, 45/60 Hz |
|---|---|
| Operating temperature | 0 °C to 50 °C |
| Physical dimensions | 96 mm × 96 mm × 125 mm (H × W × D) |
| pH measurement range | -1999 to 1999 mV |
| ORP measurement range | 0.0 to 14.0 mV |
| Measurement accuracy | ±0.01 pH (1 digit) / ±0.2 % (1 digit) for ORP |
| Serial communication interfaces | RS‑232 (3‑wire), RS‑485 (2‑wire), RS‑422, isolated |
| Output signal | 4~20 mA isolated DC output |
Press the PAR key to enter parameter mode, then use the ▲ or ▼ keys to modify the LOAL value displayed on the lower line of the panel.