Pressure Calibrator
Product Features
13
F1
F2
F3
ZERO
Pressure
Switch
Use low volume tubing
when possible
hvf017.eps
Figure 3. Pressure Switch Connection
To do a switch test:
1. Use the P1 or P2 pressure input connections to
connect the Product to the input of the switch.
Connect the contact output of the switch to the COM
and mA terminals of the Product. The polarity of the
terminals does not matter.
2. Connect the pump to the Product and the pressure
switch.
3. Make sure the vent on the pump is open.
4. Push
to select P1 or P2 depending on how the
Product is connected.
5. Zero the Product if necessary.
6. Close the vent after the Product is zeroed.
7. If connected to a normally closed switch, the top of
the display will read “CLOSE”.
8. Slowly apply pressure with the pump until the switch
opens.
Note
In the SWITCHTEST mode the display update
rate is increased to help capture changing
pressure inputs. Even with this enhanced
sample rate pressurizing, the test should be
done slowly to ensure accurate readings.
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