Rotronic HygroFlex HF3 Series User Manual Download Page 1

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E-M-HF3-V1_24

Rotronic AG
Bassersdorf, Switzerland

HygroFlex HF3 Transmitters: User Guide

Instruction Manual

Page

of 27

HygroFlex HF3

Transmitters

User Guide

www.

.com

[email protected]

1.800.561.8187

Summary of Contents for HygroFlex HF3 Series

Page 1: ...onic AG Bassersdorf Switzerland HygroFlex HF3 Transmitters User Guide Instruction Manual Page 1 of 27 HygroFlex HF3 Transmitters User Guide 2009 2016 Rotronic AG E M HF3 V1_24 www com information itm...

Page 2: ...12 5 1 General guidelines 12 5 2 Type D through wall mount 12 5 3 Type W surface mount 12 5 4 Type R and S surface mount 13 6 Electrical installation 14 6 1 General guidelines 14 6 2 Cable grip and ca...

Page 3: ...ntenance with features such as potentiometer free digital calibration Based on the ROTRONIC AirChip 3000 digital technology the HF3 series offers the following user functions User configurable setting...

Page 4: ...c AG Bassersdorf Switzerland HygroFlex HF3 Transmitters User Guide Instruction Manual Page 4 of 27 2 Mechanical configurations and dimensions 2009 2016 Rotronic AG E M HF3 V1_24 www com information it...

Page 5: ...dew frost point and the bottom line corresponds to temperature The display can be configured to show a trend indicator on each line increasing value decreasing value In the event of an alarm the displ...

Page 6: ...utput circuits closed the maximum current consumption is 60 mA for DC powered devices and 150 mA for AC powered devices HF3 with display and backlight have a current consumption up to 100 mA DC powere...

Page 7: ...and exhibit a small positive offset at the bottom of the signal range as indicated below Signal type Maximum offset at range bottom 0 1 V 10 mV 0 5 V 50 mV 0 10 V 100 mV 0 20 mA 0 2 mA 4 20 mA No offs...

Page 8: ...sed to configure the HF3 gain access to the HF3 functions such as humidity and temperature adjustment read data from the HF3 on the PC and update the AirChip 3000 firmware Connecting the HF3 to anothe...

Page 9: ...by contaminants and can be used to automatically apply a correction The test is automatically carried out at regular intervals of time Can be configured enabled or disabled The humidity sensor status...

Page 10: ...forms on the sensor Can be enabled or disabled Out of limit value alarm Used to specify the normal range for humidity temperature and the calculated parameter depending on the user application Can be...

Page 11: ...l HF33 S Always on Displayed parameters HF32 HF33 As per ordering code Trend indicator display HF32 S HF33 S Enabled Device name HF32 HF33 Instrument model Functions Applicability Factory default Humi...

Page 12: ...c Avoid the following 1 Close proximity of the probe to a heating element a cooling coil a cold or hot wall direct exposure to sun rays etc 2 Close proximity of the probe to a steam injector humidifie...

Page 13: ...rst The base plate should be installed with terminals 1 to 4 placed on top Preferably use a cable with 18 AWG wires Once the base plate has been installed and wired the electronics module can be inser...

Page 14: ...an standards EN 61000 6 1 2001 EN 61000 6 2 2005 EN 61000 6 3 2005 EN 61000 6 4 2001 A11 Whenever the level of electromagnetic interference is expected to be high both the instruments and signal cable...

Page 15: ...and type W have one M16 sealing cable grip This cable grip provides effective sealing only with cables having the proper outside diameter Preferably use a cable with an outside diameter of 6 to 7 mm 0...

Page 16: ...roper operation of the HF32 requires both current loops to be closed The HF32 can be directly ordered from the factory to measure either humidity or temperature only When necessary any unused output o...

Page 17: ...e than 1 1000 of the load resistance Minimum load requirements apply to the external device or circuit connected to the HF3 transmitter These requirements are defined in the Operation chapter Electric...

Page 18: ...oop that is being used If necessary any unused output of the HF32 can be disabled with the ROTRONIC HW4 software 6 3 3 Grounding HF32 HF33 We generally recommend grounding the side of the power supply...

Page 19: ...the requirements shown below It is also necessary to add a pull down resistor RL connected to ground in order to be able to read 100 of the range of the HF33 voltage output HF33 output signal Input re...

Page 20: ...USB port of a PC running the ROTRONIC HW4 software Prior to using any of these cables the ROTRONIC USB driver must be installed on the PC Both the driver and the installation instructions document E M...

Page 21: ...without removing the filter from the probe Clean the filter with a fine brush If this is not sufficient the filter should be replaced To do this unscrew the filter from the probe Before putting on a...

Page 22: ...surement accuracy at 23 C 2 0 RH Type D S and W 1 0 RH Type R Repeatability 0 3 RH Long term stability 1 RH year Sensor time constant Typical 10 sec 63 of a 35 to 80 RH step change 1m sec air flow at...

Page 23: ...0 mA 0 20 mA 4 20 mA 0 1 V 0 5 V 0 10 V user configurable User configurable scaling limits 999 99 9999 99 engineering units Maximum offset at bottom of signal range no offset 0 1V signal range 10 mV 0...

Page 24: ...mity with standards HF32 HF33 CE EMC immunity EMC Directive 2004 108 EG EN 61000 6 1 2001 EN 61000 6 2 2005 EN 61000 6 3 2005 EN 61000 6 4 2001 A11 Solder type Lead free RoHS directive Fire protection...

Page 25: ...e dew point or frost point based on the measurement of relative humidity and temperature The accuracy of this conversion varies depending on the humidity and temperature conditions as shown in the gra...

Page 26: ...ons and functions common to all devices E M HW4v3 F2 002 HW4 software version 3 HF3 transmitters and hygrostats Device configuration and AirChip 3000 functions E M HW4v3 A2 001 HW4 software version 3...

Page 27: ...cument for HW4 software v 3 _22 Oct 28 2011 Updated this document regarding the model of service cable to be used with 2 wire and 3 wire models _23 Jan 13 2014 HF34 removed discontinued Update for fir...

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