Crystal MultiCal Pressure Module Bedienungsanleitung PDF herunterladen (Seite 7)

Calibration  5

MultiCal H2O/PSI Pressure Module Manual

Fine Zero

inH

psi

Linearity

R12

R15

Coarse Zero

Potentiometer locations.

6 Check the inch of water pressure points shown in the following table. Adjust R12 if necessary to bring the readings to within the tolerances shown in

the table.

Readings in mV @ 23°C ±5°C

True Pressure Acceptable Output (mV)

100 inH

O 99.85 to 100.15

415 inH

O 414.70 to 415.31

830 inH

O 829.49 to 830.52

30 psi 29.98 to 30.03

7 Set the switch on the MultiCal to the PSI position.

8 Test the MultiCal at the 30 psi point. The reading should be within the tolerance shown in the table above. If not, adjust R15 until both points are within

specication.

9 In the unlikely event that you are unable to adjust the MultiCal so that all of the points meet the tolerances of the table above, contact Customer Service for

assistance. Do not readjust linearity. The linearity adjustment is factory set and should never require readjustment, unless the sensor is replaced.

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