The JENCO Model 6311 is a microcomputer-based pH/ORP measuring instrument and controller. The manual describes its waterproof enclosure, front-panel keys, display modes, calibration procedures, and settings for pH and ORP control modes.
It also covers relay and cleaning control outputs, the isolated 4–20 mA output, RS-485 connection and address settings, password setting, troubleshooting error displays, specifications, and warranty terms. This manual is written in Chinese.
| Enclosure | 174 DIN waterproof enclosure |
|---|---|
| Power supply | 115 VAC or 230 VAC, 50/60 Hz |
| Fuse | 0.315 A / 250 V fast-acting |
| Relay contact rating | 5 A at 115 VAC or 2.5 A at 230 VAC, resistive load |
| Operating temperature | 0.0 to 50.0 °C |
| Current output isolation | 1000 VDC |
It is a microcomputer-based pH/ORP measuring instrument and controller.
It provides four relay control outputs and one cleaning control output.
It can display pH or ORP, temperature, and control status on one large LCD.