Vaisala Calibration of Digital Transmitters with HMI41 Manual de usuario descargar pdf (Pagina 23)

Chapter 3 _______________________________________________________________ Calibration

VAISALA _______________________________________________________________________ 21

In this case, perform the calibration again. Whether the calibration

was successful or not, HMI41 always returns to show the selected

calibration mode:

After having successfully completed the calibration, turn HMI41 off

and disconnect the cable.

HMI41 as a Terminal

HMI41 can also be used only as a terminal for visualizing and setting

the transmitter's RH reading (for example when the transmitter does

not have a local keypad and it is calibrated against salt solutions

without a personal computer).

Insert the transmitter probe to the lower humidity. Within 1 ... 2

seconds the display will automatically change to show a text similar to

the following:

RH %

Numbers on the first line indicate the RH measured by the transmitter,

and numbers on the second line indicate the RH measured by the

HMI41 probe.

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 35 36

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Vaisala Calibration of Digital Transmitters with HMI41 Manual de usuario Pagina 23