Vaisala HMP228 Guia do Utilizador descarregar pdf (Página 36)

User's Guide _______________________________________________________________________

34 ____________________________________________________________________M210498en-A

CHAPTER 10

CALIBRATION AND ADJUSTMENT OF

TRANSMITTERS

MM70 in checking and adjusting

Vaisala's HMP228 and MMT318 series transmitters can be calibrated and

adjusted by using MM70.

− in the field; check and adjust a fixed transmitter's reading against

MM70's calibrated reference probe.

− one or two point calibrations and adjustments can be done by using a

MI70 indicator and Vaisala's humidity calibrator HMK15.

Calibration cables

For calibration and adjustment connect MM70 to fixed transmitter by

using one of the following connection cables:

- 27159ZZ connection cable for HMP228 transmitters

- DRW216050 connection cable for MMT318 transmitters

Connector ports for connection

cables

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Vaisala HMP228 Guia do Utilizador Página 36