Setra-system SRPM Instrukcja Użytkownika Pobierz pdf (Strona 20)

4.9 CALIBRATION SCREEN

CALIBRATION

To re-zero the device, disconnect the electropneumatic Header H1 so

that room pressures are not applied to the pressure sensor and lightly

press (or tap) the “Zero” button. If a sufﬁ ciently accurate Pressure

Calibrator is available, apply a steady full-scale pressure signal to the

“+” on the header ﬁ tting and press (or tap) the “Span” button. Reconnect

the room pressure tube and calibration is complete. Calibration must

be within ±5% of original calibration for this to occur otherwise an error

message will occur.

The original factory pressure calibration can be restored, if desired, by

pushing the “Restore Factory Setting” button.

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Setra-system SRPM Instrukcja Użytkownika Strona 20