Vaisala HMT370EX User Manual

4.4 HMP373 probe for confined spaces............................................................. 64
4.5 HMP374 probe for high pressure applications............................................65
4.5.1 Attaching HMP374 to process............................................................... 67
4.6 HMP375 probe for high temperature applications.....................................69
4.7 HMP377 probe for high humidity applications...........................................70
4.8 HMP378 probe for pressurized pipelines...................................................... 71
4.8.1 Attaching HMP378 to process with fitting body................................. 73
4.8.2 Attaching ball valve kit to process........................................................ 75
4.8.3 Installing HMP378 with ball valve kit BALLVALVE-1............................77
4.8.4 HMP378F probe option for measuring oil moisture and
temperature............................................................................................. 79
4.8.5 HMP378H probe option for measuring JET A-1 fuel
moisture and temperature..................................................................... 79
5. Installation........................................................................................................81
5.1 HMT370EX installation overview...................................................................81
5.1.1 Installation preparations.........................................................................82
5.1.2 Probe installation overview.................................................................... 83
5.1.3 HMT370EX transmitter dimensions...................................................... 83
5.2 Mounting......................................................................................................... 84
5.3 Attaching cable glands and conduit fittings...............................................85
5.4 Wiring.............................................................................................................. 86
5.4.1 Wiring with galvanic isolators............................................................... 88
5.4.2 Wiring with Zener barriers.....................................................................89
5.5 Finalizing installation: closing transmitter and attaching grounding......90
5.6 Optional: testing analog output level with a multimeter........................... 91
6. HMT370 local display interface.............................................................. 94
6.1 Local display overview.................................................................................. 94
6.1.1 Local display PIN code........................................................................... 96
6.1.2 Light and dark display themes.............................................................. 97
6.1.3 Sleep mode.............................................................................................. 97
6.2 HMT370EX display main menu.....................................................................98
6.3 Settings menu.................................................................................................98
6.3.1 Display menu........................................................................................... 99
6.3.2 Analog outputs menu ..........................................................................100
6.3.3 Measurement settings menu............................................................... 100
6.4 Calibration menu............................................................................................101
6.5 Status menu....................................................................................................101
6.6 Maintenance menu....................................................................................... 102
7. Operating with Insight PC software....................................................103
7.1 Vaisala Insight PC software......................................................................... 103
7.1.1 Basic and Advanced user modes........................................................ 103
7.2 Connecting to Insight PC software.............................................................103
7.2.1 Installing driver for the USB service cable......................................... 105
7.3 Insight main view with transmitter.............................................................107
7.4 Insight main view with probe......................................................................108
HMT370EX User Guide M212305EN-B
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Vaisala HMT370EX Specifications

General

Brand	Vaisala
Model	HMT370EX
Category	Transmitter
Language	English