Post on 14-Oct-2020
Rotronic Instrument Corp
INTRINSICALLY SAFE HUMIDITY AND TEMPERATURE
TRANSMITTERS
Bruce McDuffee
WebinarPresenters
Bob Hayes
Agenda
•What is Intrinsically Safe?•Why is it important?•Where is it used, for what applications?•What does a solution look like?
What is Intrinsically Safe?
A design technique to limit energy (electrical and/or thermal) below a level required to ignite a specific hazardous atmospheric mixture.
Why is it important?•Minimize loss of life and injuries•Minimize property damage
oPharmaceuticals /
Biotech
oGrain/Sugar mills
oPower stations
oMining
oPetrochemicals
oOil & Gas Platforms
APPLICATIONS forNEW ATEX SYSTEM – HygroFlex5-EX
What does this all mean?Let’s break it down,
first by Class
• Class 1- flammable gases or vapors
• Class 2- combustible dust present
• Class 3- ignitable fibers present
What does this all mean?Let’s break it down,
Next by division / quantifying
• Division 1- the hazardous material present has a high probability of producing an explosion
• Division 2- the hazardous material present has a low probability of producing an explosion
• Divisions in the EU are defines as Zones.
What does this all mean?Let’s break it down,
Next by group
• What materials are present to cause explosion.
ATEX 95Europe
IECExInternational
US:NEC 500/505Canada: CEC
NEW ATEX SYSTEM – HygroFlex5-EXAccredited/Certifying Agencies
Third party testing
Comments&Questions
Ifwedon’tgettoyourquestion today,we’llrespondviaemailafterthewebinar.
Wall versionDisplay optional
Duct versionDisplay optional
What does the solution look like?Transmitters options
SPECIFICATION & PROBESNEW ATEX SYSTEM – HygroFlex5-EX
• Robust aluminum enclosure. Class IP66.• High accuracy.• Optional display.• Wall or duct mounting.• 2-wire (10-28VDC) powered. • Two 4-20ma outputs.• Configurable with the HW4 software.• Interchangeable probes.
DEVICES & ZONENEW ATEX SYSTEM – HygroFlex5-EX
Applies to gas (Zone 0/1/2) and dust (20/21/22)
ATEX approval• Probe: Application temperature of -40 to 60oc
Zone 0, gas, intrinsically safe, temp 100oCZone 20, dust, intrinsically safe, temp 80oC, IP66
Application temperature of -40 to 85ocZone 0, gas, intrinsically safe, temp 130oCZone 20, dust, intrinsically safe, temp 110oC, IP66
Transmitter:Application temperature -40 to 60oC / -10 to 60oc (w/LCD)Zone 1, gas, intrinsically safe, temp 100oCZone 21, dust, intrinsically safe, temp 80oC, IP66
Maintenance of the system.
• Service cable with HW4 software.• HF5-EX Transmitter• Humidity sensor.• RTD temperature sensor.• Simulator mode.
Electronics operating range: -40 ... 60°CTransmitter Operating range:
-10…60 °C (with display )-40…60 °C ( without display )
Probe Measurement range:0 to 100% RH / -40 ... 60°C
Output 1: 4…20 mA (2 wires)Output 2: 4…20 mA (2 wires)Display: LCD displayEnclosure: IP66
SPECIFICATION & PROBESNEW ATEX SYSTEM – HygroFlex5-EX
• Display of measured values -optional• Robust aluminum housing• Field configurable• Interchangeable stainless steel
probes.• Easy calibration of the sensor.• Galvanically isolated
BENEFITSNEW ATEX SYSTEM – HygroFlex5-EX
Comments&Questions
Ifwedon’tgettoyourquestion today,we’llrespondviaemailafterthewebinar.
NextWebinarProductWebinar– RotronicDataLoggers
• Tuesday,May17,1:00PMEDT
• Registeratwww.rotronic-usa.com/product-webinars
Rotronic Humidity Academywww.rotronic-usa.com/humidity-academy
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More Resources
Helpingyoumakeabetterhumiditymeasurement– andmore.
•Transmitters,portablemetersandloggersfor:• Humidity• CarbonDioxide• LowDewPoint• WaterActivity• DifferentialPressure• MonitoringsystemsforcGMP• ISO17025calibrations(humidityandtemperature)
Postwebinarsurvey
Thankyou!•email:info@rotronic-usa.com•USandSouthAmerica:www.rotronic-usa.com•Canada:www.rotronic.ca•OutsideAmericas:www.rotronic.com
•Futurewebinarregistrations:•www.rotronic-usa.com/humidity-webinars•www.rotronic-usa.com/product-webinars
•Ondemand•www.rotronic-usa.com/humidity-academy/humidity-webinars/webinars-on-demand/