Vaisala HMT310 User Manual
Page 5
_________________________________________________________________________________
VAISALA _________________________________________________________________________ 5
Chemical Purge in Powerup ................................................ 60
Chemical Purge Activated Manually .................................... 60
Starting Manual Chemical Purge ........................................ 60
Sensor Heating (Optional) ..................................................... 61
General ................................................................................ 61
HMT317 Fuel Cell Model Heating Settings .................... 61
Setting Humidity Sensor Heating ......................................... 62
Sensor Heating ON/OFF ..................................................... 62
Setting Heating Parameters ................................................ 62
Periodic Maintenance ............................................................ 65
Calibration Interval .............................................................. 65
Replacing Consumables........................................................ 65
Changing the Filter .............................................................. 65
Changing the Sensor .......................................................... 66
Technical Support .................................................................. 67
Product Returns ..................................................................... 67
CALIBRATION AND ADJUSTMENT ........................................................... 69
Calibration and Adjustment Commands .............................. 70
Revert to Factory Calibration .............................................. 70
View Current Offset and Gain Adjustment .......................... 70
Relative Humidity Calibration after Sensor Change............ 71
Set Calibration Information Text.......................................... 71
Set Calibration Date ............................................................ 72
Analog Output Calibration ................................................... 72
Multipoint Relative Humidity Adjustment ............................. 73
Relative Humidity Calibration and Adjustment
(in Two Points) ........................................................................ 73
Low End Adjustment ........................................................... 74
High End Adjustment .......................................................... 75
Temperature Calibration and Adjustment
(in One Point) .......................................................................... 76
Humidity Calibration and Adjustment
(in One Point) .......................................................................... 77
Multipoint Adjustment Using Serial Line ............................. 78
MPC Command Syntax ................................................. 78
Example Multipoint Adjustment Procedure .................... 79
Adjustment Using an MI70 Indicator .................................... 81
Starting MI70 Adjustment .................................................... 81
Adjusting RH with MI70 ....................................................... 82
1-point RH Adjustment ................................................... 82
2-point RH Adjustment ................................................... 82
LiCl – NaCl automatic adjustment .................................. 83
Adjusting T with MI70 .......................................................... 83
1-point T adjustment ...................................................... 84
2-point T adjustment ...................................................... 84
Environment Settings .......................................................... 85
Last Adjustment Date .......................................................... 85