Air Monitoring
New intrinsically safe HygroFlex5-EX series
Feb 24 2015
Rotronic (Switzerland) has launched a new transmitter for measurement of humidity and temperature in explosive atmospheres. The series is certified to ATEX and IECEx and therefore conforms to the latest international standards (IEC 60079-0/11/18/26/31/7).
The HF5-EX series consists of a robust aluminium transmitter with or without display. The attached probes are cast into a stainless steel tube, and are certified for operation in Zone 0/20. The transmitter itself is certified for Zone 1/21. “Compared to its predecessor, the new explosion-proof device no longer needs an intrinsically safe power supply thanks to a clever circuit design with galvanic isolation,” says Uolf Grass, Product Manager at Rotronic.
The HygroFlex5-EX advantages at a glance:
- Measurement of relative humidity and temperature, optional
- output of dew point and other calculated parameters
- Safe operation in areas with explosion risk
- Intrinsically safe electrical construction
- No intrinsically safe power supply required
- Interchangeable stainless steel probes
- Robust aluminium housing
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