Vaisala HM70 - Manual (Page 5)

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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