OPERATING PROCEDURE
- 12 -
3.2. Meter Relay Action
The contact output capacity is 125 VAC 1
A (resistance load). If power higher
than this is opened/closed, do not use the contact of the vacuum gauge, but use a
large capacity switch in conjunction.
Range in which meter relay setting is effective
• Between 5% and 100% of the full scale with the higher limit setting (H: red needle)
• Between 0% and 95% of the full scale with the lower limit setting (L: green needle)
Meter relay cannot be set out of the measurement range.
The relay contact does not operate for about three seconds after power
is turned ON even when the measured pressure is lower than the set
pressure.
OFF
Lo
ON
OFF
Hi
ON
OFF
ON
Lo
OFF
ON
Hi
OFF
ON
ON
Lo
ON
OFF
Hi
OFF
ON
ON
Lo
ON
OFF
Hi
ON
OFF
To Next Page