User guide

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