Zirconia Oxygen Indicator Unit
The 4685 is a panel-mount safe-area indicator that offers the flexibility of finger membrane touchpad switches with custom designed, easy-to-read, backlit display as a % O
2 value for EXFG or O
2 and temperature for EXGP systems. The 4685 enables measurements in hazardous areas and signal transmission over longer distances to a safe area display. A process retransmission signal and two alarm relay outputs are provided as standard while an optional RS485 serial interface allows the 4685 to be easily incorporated into a supervisory system. Included as standard is a five-language software package that displays information in English, French, German, Italian or Spanish.
- Panel-mount version with IP66/NEMA4X facia
- Display as a % o2 value for EXFG or o2 and temperature for EXGP systems
- High visibility display
- RS485 serial interface option
- 5-language software package