Vaisala DMT132 User Manual
Page 4
USER'S GUIDE____________________________________________________________________
2 ___________________________________________________________________ M211289EN-A
CHAPTER 4
OPERATION .................................................................................................33
Getting Started........................................................................33
Serial Communication............................................................33
Connecting to the Serial Interface .......................................33
Installing the Driver for the USB Service Cable .............33
Terminal Application Settings..............................................34
List of Serial Commands .......................................................36
Device Information and Status..............................................37
Show Device Information ....................................................37
Show Available Quantities...................................................37
Show Firmware Version ......................................................37
Show Software Information .................................................38
Configuring Analog Output ...................................................38
Set Analog Output Quantity and Scaling.............................38
Set Analog Output Error Notification ...................................39
Configuring Measurement Parameters ................................40
Set Pressure Value for Dewpoint Calculation .....................40
Serial Line Output Commands ..............................................41
Output a Reading Once.......................................................41
Troubleshooting and Maintenance Commands ..................41
Display Currently Active Errors ...........................................41
Test Analog Output..............................................................42
Set LED Indicator Level.......................................................42
Calibration and Adjustment Commands ..............................43
Calibrate Humidity Measurement ........................................43
Calibrate Temperature Measurement .................................44
Adjust Capacitance Measurement ......................................45
View User Adjustment Parameters .....................................46
Set User Adjustment Parameters........................................46
Other Commands ...................................................................47
Display Command List ........................................................47
Reset Transmitter ................................................................47
Restore Factory Settings .....................................................48
CHAPTER 5
MAINTENANCE............................................................................................49
Cleaning the Transmitter .......................................................49
Changing the Filter .................................................................49
Changing the Sensor .............................................................51
Calibration and Adjustment...................................................52
Field Check Using DM70.....................................................53
Humidity Calibration and Adjustment (RHCAL) ..................55
Temperature Calibration and Adjustment (CT) ...................58
Capacitance Adjustment (CRH) ..........................................60
CHAPTER 6
TROUBLESHOOTING..................................................................................63
Typical Problems ....................................................................63
Error State ...............................................................................64
Error Codes .............................................................................65