Vaisala HUMICAP MMT162 Guia do Utilizador descarregar pdf (Página 56)

User's Guide _______________________________________________________________________

54 ___________________________________________________________________ M210934EN-D

CHAPTER 6

CALIBRATION AND ADJUSTMENT

This chapter provides information that is needed in calibration and

adjustment of the product.

NOTE

Calibration means comparing the instrument to a known reference,

either against a second instrument or a known reference environment.

Correcting the reading of the instrument so that is measures accurately is

referred to as adjustment.

NOTE

It is important to clean the sensor before calibration as the oily sensor can

contaminate the salt bath and change the reference condition. For

instructions, see section Cleaning on page 50.

The MMT162 is fully calibrated and adjusted as shipped from factory.

The calibration interval depends on the application. You can perform a

calibration to check that the transmitter is within its accuracy

specification.

Performing an accurate calibration and adjustment takes some time and

preparation. Instead of doing it yourself, you can also have a Vaisala

service center calibrate and adjust your transmitter. For contact

information, see section Product Returns on page 53.

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Vaisala HUMICAP MMT162 Guia do Utilizador Página 56