Total pressure gauge and controller TPG 300 - Fergutec.com
Total pressure gauge and controller TPG 300 - Fergutec.com
Total pressure gauge and controller TPG 300 - Fergutec.com
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4.5.3 Automatic measuring circuit switchover<br />
If a measuring circuit is controlled by another<br />
measuring circuit <strong>and</strong> either one is<br />
selected, the display automatically changes<br />
over<br />
• when the measured value drops below<br />
the lower threshold<br />
• when the measured value exceeds the<br />
upper threshold.<br />
4.5.4 Self-monitoring<br />
If the cold cathode measuring circuit is selfmonitored,<br />
it automatically switches off<br />
• when the measured value exceeds the<br />
upper threshold.<br />
The measuring circuit must be restarted<br />
manually. Restarting can be prevented by<br />
another measuring circuit (e.g. Pirani).<br />
Measured value or e.g.<br />
B1<br />
0 10<br />
BG 800 <strong>300</strong> BE / A (0105) <strong>TPG</strong> <strong>300</strong> 18<br />
1 2 3 4 A B<br />
Automatic control: «Au», cold cathode measuring circuit waits for the fulfillment of the<br />
power on condition by the Pirani measuring circuit.<br />
Measured value or e.g.<br />
B1<br />
0 10<br />
1 2 3 4 A B
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