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Vaisala HMT310 User Manual

Page 5

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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