Vaisala DMP248 Manual de Serviço descarregar pdf (Página 64)

OPERATING MANUAL_______________________________________________________________

58 _____________________________________________________________________ U263EN-1.4

• Place the sensor head in the calibration hole of the LiCl bottle (dry

end reference) in the humidity calibrator.

• Connect an ammeter/voltmeter to the analogue outputs (connector

X2). Give command l. At the first calibration point the

LED on the left flashes; adjust the first point (offset) with the

arrow switches to the value given in the calibration table (Chapter

0) and press ENT switch.

• Place the sensor head in the calibration hole of the NaCl bottle

(wet end reference) in the humidity calibrator.

• Wait for 10 minutes.

• Check that the reading corresponds within the desired accuracy to

that given in the calibration table (Chapter 0). If not, adjust the

second point with the arrow switches to the correct value and press

ENT. At the second calibration point the second LED from the left

flashes.

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Vaisala DMP248 Manual de Serviço Página 64