Bacharach Gas Pup Especificações descarregar pdf (Página 30)

Gas Pup

24 Instruction 55-9002

Calibration

Note: If zero air is being applied at this time, remove it before

proceeding to Step 5.

5. While a steady “AC” is being displayed, apply calibration gas by

simply connecting the tubing from the calibration equipment to the

Pup’s gas-inlet fitting. The on-demand gas regulator will automati-

cally begin to supply the correct amount of calibration gas to the

instrument.

6. As the calibration gas is being applied, “AC” will begin flashing until a

steady gas value is detected for a period of 5 seconds, after which the

display will change to the calibration setting (2.5% for the LO% range,

or 100% for the HI% range). At this time the calibration gas may be

removed.

The instrument’s programming contains safeguards to prevent inaccurate

calibration, or to limit the use of a sensor that may require replacement

due to imminent failure.

Should calibration gas not be applied within the calibration period of

10 seconds, the instrument will drop out of the autocal mode and turn off

(error code 2.3.1 is displayed just before the instrument turns off). The

instrument is turned off to attract the users attention and make it evi-

dent that a proper calibration had not been achieved. The prior calibra-

tion values will be maintained to prevent an unintended change to these

values.

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