Air supply unit in the housing
The air supply unit for oxygen probes provides purge and reference air for oxygen probes in an ASB enclosure.

The air supply unit for oxygen probes provides purge and reference air for oxygen probes in an ASB enclosure.

Supply of purge and reference air for oxygen probes in an ASB enclosure. The control voltage is 230 VAC 50 Hz or 120 VDC 60 Hz. The air supply can be provided either by a dedicated diaphragm pump or via an external supply through the compressed air connection.
The specification is structured as follows:
| 30 | - | 02 | SSSS | OO |
| 30 | Air Supply Unit | ||||
| 02 | Installed in an ASB enclosure | ||||
| SSSS | Control voltage
| ||||
Air source
| |||||
| OO | Optional Output Signal
|
| 30 | - | 01 | 0230 | MP |
Air supply unit for oxygen probes in an enclosure with a diaphragm pump and a 230 VAC control voltage.

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