Vaisala HMT130 - Manual (Page 5)

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VAISALA _________________________________________________________________________ 3
ADDR ............................................................................. 52
SEND ............................................................................. 52
OPEN ............................................................................. 53
CLOSE ........................................................................... 53
CHAPTER 5
MAINTENANCE ........................................................................................... 55
Replacing the HUMICAP ® Sensor ......................................... 55
Fixed and Remote Probe Models........................................ 55
Removing and Fastening the Probe ..................................... 56
Fixed Probe Model .............................................................. 56
Remote Probe Model .......................................................... 57
Calibration and Adjustment .................................................. 58
HMT130 Push-Button Calibration ....................................... 58
Humidity and Temperature Adjustment .............................. 59
Adjustment with HM70 ........................................................ 62
Field Checking and Adjustment Using a Calibrated
Reference Probe ............................................................ 63
One-Point Adjustment Using a Calibrator ...................... 63
Two-Point Adjustment Using a Calibrator ...................... 64
LiCl-NaCl Adjustment ..................................................... 65
Temperature Field Check and Adjustment by Using a
Calibrated Reference Probe .......................................... 66
Adjustment with HMI41 ....................................................... 67
Connections and Selecting the Calibrator Function ....... 68
Offset and Gain Adjustments ......................................... 69
HMI41 as a Reference Meter .................................... 70
HMI41 as a Terminal ................................................. 71
Troubleshooting ............................................................. 72
Analog Output Tests .............................................................. 73
CHAPTER 6
TROUBLESHOOTING ................................................................................. 75
Error Codes ............................................................................. 75
Solving Typical Problems...................................................... 76
Analog Output Error Notification .......................................... 77
Technical Support .................................................................. 77
CHAPTER 7
TECHNICAL DATA ...................................................................................... 79
Specifications ......................................................................... 79
Options and Accessories ...................................................... 81
Transmitter Dimensions ........................................................ 82
APPENDIX A
CALCULATION FORMULAS ...................................................................... 85
Dewpoint Temperature .......................................................... 85
Dew/frostpoint Temperature ................................................. 86
Mixing Ratio ............................................................................ 87
Absolute Humidity .................................................................. 87
Enthalpy .................................................................................. 87