Vaisala HM44 User Manual

Page 4

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User's Guide _______________________________________________________________________

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2

CHAPTER 6

COLLECTING DATA ................................................................................... 21

Data collecting modes........................................................... 21

Entering the data collecting modes..................................... 21

Automatic data collecting mode

REC AUTO

.......................... 22

Setting the measurement duration...................................... 22
Setting the measurement interval ....................................... 23

Manual data collecting

REC CATCH

........................................ 24

Reading the measurement results

REC READ

....................... 25

MIN and MAX in data collecting

REC READ

mode ................ 26

CHAPTER 7

TRANSFERRING DATA TO A PC .............................................................. 28

Giving the communication parameters ............................... 29

Transferring the data ............................................................. 31

Commands.......................................................................... 32
PLAY Transferring the data ............................................... 32
CPLAY Setting characters between decimals and fields... 33
HELP Outputting available commands and their contents 33
? Outputting the HMI41 settings ........................................ 34

CHAPTER 8

CALIBRATION ............................................................................................. 35

Two-point humidity calibration............................................. 37

CHAPTER 9

MAINTENANCE ........................................................................................... 39

Replacing the HUMICAP

180 sensor ................................. 39

Replacing the filter................................................................. 39

CHAPTER 10

TROUBLESHOOTING ................................................................................. 40

Erroneous readings............................................................. 40
Trouble shooting ................................................................. 40

CHAPTER 11

SPARE PARTS AND ACCESSORIES........................................................ 42

Optional probes...................................................................... 43

CHAPTER 12

TECHNICAL DATA...................................................................................... 44

HMP44 probe .......................................................................... 44

HMI41 indicator ...................................................................... 45

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