________________________________________________________________________________
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
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