ROTRONIC HC2 User Manual
Page 2

E-M-HC2 Probes-V1_26
Rotronic AG
Bassersdorf, Switzerland
Document code
Unit
HygroClip 2 (HC2) Humidity Temperature
Probes: User Guide
Instruction Manual
Document Type
Page 2 of 31
Document title
© 2009-2013; Rotronic AG E-M-HC2 Probes-V1_26
Table of contents
1
Overview ................................................................................................................................................. 3
1.1
Hardware and software compatibility ................................................................................................... 3
2
Models .................................................................................................................................................... 4
3
General description ............................................................................................................................. 12
3.1
Power supply...................................................................................................................................... 12
3.2
Measured parameters ........................................................................................................................ 12
3.3
Calculated parameters ....................................................................................................................... 12
3.4
Analog output signals ......................................................................................................................... 12
3.5
Digital interface .................................................................................................................................. 13
3.6
Connector .......................................................................................................................................... 14
3.7
Sensor protection (dust filter) ............................................................................................................. 14
4
User configurable settings and functions ......................................................................................... 15
4.1
Function overview .............................................................................................................................. 15
4.2
Factory default settings ...................................................................................................................... 16
5
Mechanical installation ....................................................................................................................... 18
5.1
General guidelines for fixed installation .............................................................................................. 18
6
Electrical installation ........................................................................................................................... 19
6.1
General guidelines for fixed installation .............................................................................................. 19
6.2
Analog signal wiring ........................................................................................................................... 20
6.3
Minimum analog output load .............................................................................................................. 20
6.4
Digital signal wiring ............................................................................................................................ 20
6.5
Grounding .......................................................................................................................................... 20
7
Operation .............................................................................................................................................. 20
7.1
Operation with an indicator, data logger or transmitter ....................................................................... 20
7.2
Stand-alone operation as an analog probe ........................................................................................ 20
7.3
Stand-alone operation as a digital probe (PC or network) .................................................................. 22
7.4
Connectivity examples for stand-alone probes .................................................................................. 22
7.5
Hand-held probes used with an indicator ........................................................................................... 23
8
Maintenance ......................................................................................................................................... 24
8.1
Cleaning or replacing the dust filter .................................................................................................... 24
8.2
Periodic calibration check .................................................................................................................. 24
8.3
Validation of the output signals transmission ..................................................................................... 24
9
Firmware updates ................................................................................................................................ 25
10
Technical data ...................................................................................................................................... 26
10.1
Specifications ..................................................................................................................................... 26
10.2
Dew point accuracy ............................................................................................................................ 28
10.3
Effect of cable temperature on the accuracy of probes HC2-C04 and HC2-C05 ............................... 29
11
Accessories and parts ........................................................................................................................ 29
12
Supporting documents ....................................................................................................................... 29
13
Document releases .............................................................................................................................. 30