________________________________________________________________________________
VAISALA________________________________________________________________________ 3
Field Checking and Adjustment by Using a Calibrated
Reference Probe.................................................................
50
1-Point Adjustment by Using a Calibrator...........................50
2-Point Adjustment by Using a Calibrator...........................51
Calibration and Adjustment of HMT330
Series Transmitters................................................................52
Field Checking and Adjustment by Using a Calibrated
Reference Probe.................................................................53
1-Point Adjustment by Using a Calibrator...........................53
2-Point Adjustment by Using a Calibrator...........................54
LiCl-NaCl Adjustment..........................................................55
Field Checking of DMW19 Transmitter ................................ 56
CHAPTER 10
MEASURING OTHER PARAMETERS SIMULTANEOUSLY .....................57
CHAPTER 11
ANALOG OUTPUT CONNECTION .............................................................59
Selecting and Scaling the Analog Output ...........................59
CHAPTER 12
CALIBRATION AND ADJUSTMENT OF HM70 SERIES PROBES ...........61
General Information about Calibrations ..............................61
Relative Humidity Adjustment ..............................................61
LiCl-NaCl Automatic Adjustment.........................................61
2-Point Adjustment..............................................................62
1-Point Adjustment..............................................................63
Temperature Adjustment.......................................................63
1-Point Adjustment..............................................................64
2-Point Adjustment..............................................................65
Last Adjustment Date ............................................................65
CHAPTER 13
MAINTENANCE ...........................................................................................67
Changing the Filter.................................................................67
Changing the Battery Pack....................................................67
Error Messages ......................................................................68
Technical Support..................................................................69
Return Instructions ................................................................69
Vaisala Service Centers.........................................................70
CHAPTER 14
TECHNICAL SPECIFICATIONS..................................................................71
Probes HMP75, HMP76 and HMP77......................................71
Measured Variables ............................................................71
Relative Humidity ...........................................................71
Temperature...................................................................72
Calculated Variables ..............................................................72