Rotronic HygroFlex5-EX Instruction Manual Download Page 1

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D-M-HF520-EX-V1_12

Rotronic AG
Bassersdorf, Switzerland

HygroFlex5-EX

Humidity & Temperature Transmitter

Instruction Manual

Page

1 of 23

HygroFlex5-EX

Humidity & Temperature Transmitter

Instruction Manual

Summary of Contents for HygroFlex5-EX

Page 1: ...D M HF520 EX V1_12 Rotronic AG Bassersdorf Switzerland HygroFlex5 EX Humidity Temperature Transmitter Instruction Manual Page 1 of 23 HygroFlex5 EX Humidity Temperature Transmitter Instruction Manual ...

Page 2: ...HygroFlex5 EX Wall Mounting 12 5 Electrical Installation 12 5 1 General Guidelines for Wiring 12 5 2 ATEX Guidelines for Wiring 13 5 3 Wiring 13 6 Operation 14 6 1 Starting the Device 14 6 2 Internal Menu Optional Keypad and Display 15 6 3 Displayed Parameters Optional Keypad and Display 15 7 Maintenance 16 7 1 Service Cable 16 7 2 Location of the Service Connector Mini USB 16 7 3 Periodic Check C...

Page 3: ...ly 2014 Additions by electrosuisse certification body V1_06 July 2014 Linguistic amendments V1_07 January 2015 Stylistic improvements V1_08 June 2015 Probe Extension of Tamb to 85 C New temperature class T4 or 110 C V1_09 July 2015 Material identification V1_10 October 2015 Graphic Adaption V1_11 April 2017 Electro schematic analog outputs description Corrections chapter 5 2 5 3 11 V1_12 April 201...

Page 4: ...communication with a PC allows simultaneous monitoring of three parameters relative humidity temperature and calculated value The HygroFlex5 EX can measure within the ranges of 0 to 100 RH and 100 to 200 C 148 to 392 F The working temperature range of the electronics is limited to 40 60 C 10 60 C with optional LCD The probes are equipped with proven durable sensors User configurable adjustments Ca...

Page 5: ...Bassersdorf Switzerland HygroFlex5 EX Humidity Temperature Transmitter Instruction Manual Page 5 of 23 2 1 Mechanical Configurations and Dimensions Wall Version HF520 EX Wxxxxxxx Duct Version HF520 EX Dxxxxxxx Probe tube Ø15 x 130 mm ...

Page 6: ...n probe with 1 2 G thread cable length 5 m HC2 IE110 EX screw in probe with 1 2 G thread cable length 10 m HC2 IE302 EX screw in probe with 1 2 NPT thread cable length 2 m HC2 IE305 EX screw in probe with 1 2 NPT thread cable length 5 m HC2 IE310 EX screw in probe with 1 2 NPT thread cable length 10 m Duct Version Combinable With Probe HC2 SM EX 2 2 Display and Keypad Option The optional LCD does ...

Page 7: ...ulb temperature Tw o Enthalpy H o Vapor concentration Dv o Specific humidity Q o Mixing ratio by weight R o Vapor concentration at saturation Dvs o Vapor partial pressure E o Vapor saturation pressure Ew Note Some of the above mentioned parameters depend on the value of the atmospheric air pressure The user can define a fixed atmospheric air pressure value with the ROTRONIC HW4 software 3 3 Analog...

Page 8: ...10 EX cable probe 10 m probe length 285 mm HC2 IE102 EX screw in probe with 1 2 G thread cable length 2 m HC2 IE105 EX screw in probe with 1 2 G thread cable length 5 m HC2 IE110 EX screw in probe with 1 2 G thread cable length 10 m HC2 IE302 EX screw in probe with 1 2 NPT thread cable length 2 m HC2 IE305 EX screw in probe with 1 2 NPT thread cable length 5 m HC2 IE310 EX screw in probe with 1 2 ...

Page 9: ...access Can be configured enabled or disabled Menu access from keypad Used to prevent accidental or unauthorized changes to the system settings by disabling the MENU key Can be enabled or disabled PROCESS PROTECTION PROTECTION OF OTHER DEVICES Functions Description Limit humidity to 100 RH This function prevents the humidity signal from exceeding 100 RH when condensation forms on the sensor Can be ...

Page 10: ... 1 Zone Plan Applies to gas Zone 0 1 2 and dust 20 21 22 Wall Mounting Duct Mounting Use the accessory AC1301 MEX mounting gland for 15 mm ATEX probes for zone separation Wall Mounting With Cable Probe Wall Mounting With Screw In Probe Use the accessory AC1301 MEX mounting gland for 15 mm ATEX probes for zone separation The screw in probe itself sees to zone separation ...

Page 11: ...changing temperature c Avoid the following 1 Close proximity of the probe to a heating element cooling coil cold or hot walls direct exposure to sunlight etc 2 Close proximity of the probe to a steam injector humidifier direct exposure to precipitation etc 3 Unstable pressure conditions resulting from high air turbulence d Immerse as much of the probe as possible in the environment to be measured ...

Page 12: ...Cables The following guidelines are derived from the European standard EN 50170 for the transmission of signals by copper wires When planning an installation the rules provided by EN 50170 should be followed under consideration of local circumstances to determine the position of machines and equipment All ROTRONIC products are tested for electromagnetic compatibility according to the EMC Directive...

Page 13: ... conduits without minimum distance Direct and alternating current 400 V unshielded Telephone lines Lines leading into EX rated areas in separated bundles or channels conduits without minimum distance 5 2 ATEX Guidelines for Wiring According to EN60079 14 According to ATEX no SELV Power Supply is required SELV supply with limited transients 5 3 Wiring 5 3 1 HygroFlex5 EX Two Wire Current Loop Loop ...

Page 14: ... 6 Operation For safe and reliable operation the device must be mounted as described in chapter 4 and the housing cover properly closed 6 1 Starting the Device The device needs about one minute to boot The message Please wait appears in the display after about 20 seconds In this time both analog signals rise to about 21 mA The device then starts operation and the analog outputs adjust to the relev...

Page 15: ...or in display Device Information Version Firmware version Serial Nbr Serial number Address RS 485 address Type Device type Name Device name User defined Probe Information Version Firmware version Serial Nbr Serial number Address RS 485 address Name Device name User defined 6 3 Displayed Parameters Optional Keypad and Display If the menu is not active press the ENTER button to change to the paramet...

Page 16: ...ng term stability and do not normally need to be calibrated again after initial factory calibration The long term stability of the Hygromer humidity sensor from ROTRONIC is normally better than 1 RH per year For maximum accuracy the calibration of the probe should be checked every six to 12 months Applications in which the probe is exposed to considerable contamination could require more frequent ...

Page 17: ...f the Device Manager select Tools Firmware Update 9 Technical Data 9 1 Specifications General HygroFlex5 EX Device type Humidity temperature transmitter with analog output signals Circuit type Two wire current loop 4 20 mA Mounting types D duct and W wall Power Supply and Connections HygroFlex5 EX Supply voltage VDD 10 28 VDC V min 10 V 0 02 A x load Load resistance in ohm Rated current consumptio...

Page 18: ... EX Optional display LC resolution 1 or 2 decimals no backlight trend and alarm indicators Probe material Stainless steel 1 4301 Probe dust filter material Sintered steel filter 1 4401 Housing material Aluminum Housing protection grade IP 66 Dimensions See Models Weight 800 g Conformity with Standards HygroFlex5 EX CE EMC immunity EMV Direktive 2014 30 EU ATEX 2014 34 EU Solder type Lead free 2014...

Page 19: ... compatible with Windows XP 7 and 8 For further details see the separate instruction manual provided with the software Order Code Description HW4 E HW4 software Standard Edition single user HW4 P HW4 software Professional Edition fulfills ERES regulations FDA GAMP multi user 10 2 Service Cable Order Code Description AC3006 Mini USB service connector UART to the USB port of a PC Cable electronics t...

Page 20: ...afe temp 130 C II 1 2 D Ex ia IIIC T110 C Da Db Zone 20 dust intrinsically safe temp 110 C IP66 IP protection 66 1 2 1 Zone 0 and 2 Zone 1 suitable for mounting in zone separation wall Ga very high protection level Zone 0 Gb high protection level Zone 1 Da very high protection level Zone 0 Db high protection level Zone 1 Ga Gb Da Db suitable for mounting in zone separation wall Transmitter For app...

Page 21: ...onnections available for the humidity and temperature sensors The device connections comprise power supply and sensor signal The supply voltages for the two sensors may be different because they are isolated by two internal diodes The device can also be operated with only one loop Device input voltage USupply 20 V 28 VDC 24 V 15 Maximum current ISupply max 50 mA Sum of both input currents Load imp...

Page 22: ...mber Number Measurement probe II 1 2 G Ex ia IIC T5 T4 Ga Gb II 1 2 D Ex ia IIIC T80 C T110 C Da Db IP66 Transmitter II 2 1 G Ex eb mb ia Ga IIC T5 Gb II 2 1 D Ex tb ia Ga IIIC T80 C Db IP66 Certification body and certificate no Electrosuisse Fehraltorf CH SEV 14 ATEX 0107 IECEx SEV 14 0002 Date 18 06 2015 Operating temperature range Tamb 10 C 60 C with LCD Tamb 40 C 60 C without LCD In 20 VDC 28 ...

Page 23: ...ROTRONIC AG CH 8303 Bassersdorf Tel 41 44 838 11 44 www rotronic com 12 0903 0106 E ...

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