Key facts
- Brand
- Altec
- Model
- PH/ORP800
- Industry
- Industrial
- Documents
- 2
- Languages
- ZH
- Last added
- 2012-04-12
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ALTEC PH/ORP800 pH/ORP Controller Instruction Manual
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.
ALTEC PH/ORP800 specifications
| 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 |
Source: ALTEC PH/ORP800 pH/ORP Controller Instruction Manual
All ALTEC PH/ORP800 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
How can I change the lower alarm value (LOAL)?
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.
How many instruments can be connected to the controller via RS485?
Up to 100 instruments can be connected on a single RS485 communication port.
What response does the controller give when a write command succeeds?
The controller returns an ACK (06H) signal to indicate successful parameter modification.