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E-M-HM-V1_10
Rotronic AG Bassersdorf, Switzerland
Document code
Unit
HygroMet MP Humidity Temperature Meteorological Probe: User Guide
Instruction Manual
Document Type
Page 2 of 19
Document title
© 2009; Rotronic AG E-M-HM-V1_10
Table of contents
1
Overview .............................................................................................................................................. 3
2
Mechanical configurations and dimensions ..................................................................................... 4
3
General description ............................................................................................................................. 5
3.1
Power supply .................................................................................................................................... 5
3.2
Measured parameters ...................................................................................................................... 5
3.3
Calculated parameters ..................................................................................................................... 5
3.4
Output signals ................................................................................................................................... 6
3.5
Analog output signal type ................................................................................................................. 6
3.6
Service connector ............................................................................................................................. 6
3.7
Probe ................................................................................................................................................ 6
4
User configurable settings and functions ......................................................................................... 6
4.1
Requirements for configuring the HygroMet MP ............................................................................... 7
4.2
Function overview ............................................................................................................................. 7
4.3
Factory default settings .................................................................................................................... 8
4.4
Interaction between the HygroMet MP and probe functions ............................................................. 9
5
Mechanical installation ..................................................................................................................... 10
5.1
General guidelines .......................................................................................................................... 10
6
Electrical installation ........................................................................................................................ 10
6.1
General wiring guidelines ............................................................................................................... 10
6.2
Guidelines for RS-485 wiring (HygroMet MP 3-wire) ...................................................................... 11
6.3
Wiring color code ............................................................................................................................ 11
6.4
Electrical diagram ........................................................................................................................... 12
7
Operation ........................................................................................................................................... 13
7.1
Analog outputs ................................................................................................................................ 13
7.2
RS-485 serial interface ................................................................................................................... 13
8
Maintenance....................................................................................................................................... 14
8.1
Service cable .................................................................................................................................. 14
8.2
Location of the service connector (mini USB type) ......................................................................... 14
8.3
Periodic calibration check of the HC2-S3 probe ............................................................................. 14
8.4
Cleaning or replacing the probe dust filter ...................................................................................... 15
8.5
Validation of the output signals transmission .................................................................................. 15
9
Firmware updates .............................................................................................................................. 15
10
Technical data ................................................................................................................................... 16
10.1
Specifications ................................................................................................................................. 16
10.2
Dew point accuracy ........................................................................................................................ 18
11
Accessories ....................................................................................................................................... 18
12
Supporting documents ..................................................................................................................... 18
13
Document releases ........................................................................................................................... 19
