953 Pirani/Cold Cathode Vacuum Sensor System Pin-outs

15-pin Accessory Connector
Pin Description
1 Pirani Set Point Relay 1 - Normally Closed Contact
2 Pirani Set Point Relay 1 - Common
3 Pirani Set Point Relay 1 - Normally Open Contact
4 Cold Cathode Set Point Relay 2 - Normally Closed Contact
5 Cold Cathode Set Point Relay 2 - Common
6 Cold Cathode Set Point Relay 2 - Normally Open Contact
7 Not Used
8 Not Used
9 High Voltage Disable
10 Pirani Analog Output
11 Cold Cathode Analog Output
12 Ground
13 Ground
14 Pirani - Cold Cathode Switchover Disable
15 Pirani - Cold Cathode Switchover Disable

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