Vaisala HUMICAP HMT330 SERIES - Vaisala

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VAISALA________________________________________________________________________ 7
List of Figures
Figure 1 Transmitter Body......................................................................21
Figure 2 Inside the Transmitter............................................................... 22
Figure 3 HMT331 Fixed Probe ...............................................................23
Figure 4 HMT331 Short Cable Probe.....................................................23
Figure 5 Probe Options ..........................................................................24
Figure 6 Standard Mounting...................................................................27
Figure 7 Mounting with Wall Mounting Kit..............................................28
Figure 8 Dimensions of the Plastic Mounting Plate (mm/inch)............... 28
Figure 9 Dimensions of the Probe Holder Plate (mm/inch)....................29
Figure 10 Mounting with the DIN Rail Installation Kit ...............................30
Figure 11 Vertical Pole .............................................................................30
Figure 12 Horizontal Pole.........................................................................31
Figure 13 Mounting with Metal Wall Mounting Plate ................................31
Figure 14 Dimensions of the Metal Mounting Plate (mm/inch) ................32
Figure 15 Mounting the Rain Shield with the Installation Kit....................32
Figure 16 Panel Mounting Frame............................................................. 33
Figure 17 Panel Mounting Dimensions (mm/inch) ................................... 34
Figure 18 Cable Bushings ........................................................................34
Figure 19 Grounding the Screen of Electrical Cable................................35
Figure 20 Screw Terminal Block on Motherboard....................................37
Figure 21 Connections to 24 VAC Power Supply..................................... 39
Figure 22 Measurement Error at 100 %RH..............................................40
Figure 23 Horizontal Mounting of Probe...................................................41
Figure 24 Vertical Mounting of Probe.......................................................42
Figure 25 HMT344 Probe.........................................................................44
Figure 26 Tightening the Nut....................................................................44
Figure 27 Cleaning of Tightening Cone....................................................45
Figure 28 HMT338 Probe.........................................................................47
Figure 29 Sealing of Fitting Body into Process ........................................ 47
Figure 30 Tightening the Clasp Nut..........................................................48
Figure 31 Power Supply Module ..............................................................49
Figure 32 Galvanic Output Isolation Module ............................................54
Figure 33 Third Analog Output .................................................................54
Figure 34 Third Analog Output Selection .................................................55
Figure 35 Relay Module ...........................................................................57
Figure 36 RS-422/485 Module .................................................................58
Figure 37 4-Wire RS-485 Bus ..................................................................60
Figure 38 2-Wire RS-485 Bus ..................................................................61
Figure 39 LAN Interface Module...............................................................63
Figure 40 WLAN Interface Module ........................................................... 64
Figure 41 Data Logger Module.................................................................66
Figure 42 Pinout of the Optional 8-Pin Connector....................................67
Figure 43 Basic Display............................................................................70
Figure 44 Graphical Display .....................................................................70
Figure 45 Graphical Display with Data Logger......................................... 71
Figure 46 Main Menus..............................................................................72
Figure 47 Alarm Limits Shown on Graph Screen.....................................76
Figure 48 Display Alarm Active ................................................................76
Figure 49 Display Alarms .........................................................................77
Figure 50 Modifying an Alarm Limit..........................................................77
Figure 51 Service Port Connector and User Port Terminal
on Motherboard........................................................................79
Figure 52 Connection Example between PC Serial Port and
User Port ..................................................................................80