Vaisala MMT162 User Manual
Page 4
User's Guide ______________________________________________________________________
2 ___________________________________________________________________ M210934EN-C
Show Firmware Version ...................................................... 27
Configuring Serial Line Operation ........................................ 28
Set Serial Line Settings ....................................................... 28
Set Serial Line Response Time ........................................... 29
Set Transmitter Address ...................................................... 29
Format Measurement Output .............................................. 30
Select Unit ........................................................................... 32
Set Serial Interface Mode .................................................... 33
Configuring Measurement Parameters ................................ 33
Select Analog Output Parameter and Scaling ..................... 33
Set Analog Output Mode (mA/V) ......................................... 34
Calibrate Analog Output ...................................................... 34
Set Malfunction Alarm Output for Analog Channels ............ 35
Set Alarm Limits and LED Indication for Analog Outputs.... 35
Set Voltage for LED Alarm .................................................. 36
Extend Analog Output Range .............................................. 36
Serial Line Output Commands .............................................. 37
Start Measurement Output .................................................. 37
Stop Measurement Output .................................................. 37
Set Output Interval............................................................... 38
Output Reading Once .......................................................... 38
Troubleshooting Commands ................................................. 39
Display the Currently Active Errors ..................................... 39
Test Analog Outputs ............................................................ 39
Other Commands ................................................................... 40
Opening the Transmitter in POLL Mode ............................. 40
Closing the Connection to a Transmitter in POLL Mode ..... 40
Display Command List ........................................................ 41
Reset Transmitter ................................................................ 42
Restore Factory Settings ..................................................... 42
ppm Conversion ..................................................................... 43
MMT162 ppm Conversion for Transformer Oils .................. 43
Conversion Model with Average Coefficients ...................... 43
Conversion Model with Oil-specific Coefficients ................. 44
Setting Oil Coefficients Using Serial Line ............................ 44
OIL .................................................................................. 44
Determination of Oil-Specific Coefficients ........................... 45
Cleaning ................................................................................... 47
Changing the Filter ................................................................. 48
Changing the Sensor ............................................................. 48
Error States ............................................................................. 48
Unknown Serial Settings ....................................................... 49
Technical Support .................................................................. 50
Product Returns...................................................................... 50
CALIBRATION AND ADJUSTMENT ........................................................... 51
MM70 in Checking and Adjusting ......................................... 52
One-Point Relative Humidity Adjustment ............................ 52
Using Serial Line ................................................................. 52