Manual

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VAISALA ________________________________________________________________________ 5
Pressure Regulator Recommended ..................................... 61
CHAPTER 6
MAINTENANCE ...........................................................................................63
Periodic Maintenance ............................................................63
Calibration Interval .............................................................. 63
Replacing Consumables........................................................63
Filter Change....................................................................... 63
Sensor Change ................................................................... 63
Parts List for Consumables................................................. 64
Technical Support..................................................................64
Return Instructions ................................................................ 65
Vaisala Service Centers.........................................................66
CHAPTER 7
CALIBRATION AND ADJUSTMENT........................................................... 67
Calibration and Adjustment Commands.............................. 67
LI Revert Factory Calibration ..............................................67
FCRH Relative Humidity Calibration after Sensor Change 68
CTEXT Set Calibration Information Text............................. 68
CDATE Set Calibration Date...............................................68
ACAL Analog Output Calibration ........................................69
Relative Humidity Calibration and Adjustment (in Two
Points) .....................................................................................69
Low End Adjustment ...........................................................70
High End Adjustment .......................................................... 71
Temperature Calibration and Adjustment (in One Point)... 72
CHAPTER 8
TECHNICAL DATA ...................................................................................... 73
Specifications......................................................................... 73
Options and Accessories...................................................... 76
Dimensions in mm (inches) ..................................................77
Transmitter Enclosure and Mounting Plates....................... 77
Probes.................................................................................78
HMT311 ......................................................................... 78
HMT313 ......................................................................... 78
HMT314 ......................................................................... 79
HMT315 ......................................................................... 79
HMT317 ......................................................................... 80
HMT318 ......................................................................... 80
APPENDIX A
PROBE INSTALLATION KITS AND INSTALLATION EXAMPLES........... 81
Duct Installation Kits (for HMT313/317/315) ........................81
Pressure-Tight Swagelok Installation Kits (for HMT317) ... 82
RH Probe Installation ..........................................................82
Examples of Vapor-Tight Installations with Cable Gland ..83
RH Probe Installations (for HMT313/317)........................... 83
Ball Valve Installation kit for HMT318 ..................................84