Intrinsically safe indicating temperature transmitters
12 April 2011
Beka showcased a full range of panel and field mounting intrinsically safe and non certified safe area models at Messe in Hannover. The intrinsically safe transmitters have ATEX, FM, cFM and IECEx certification permitting installation in all gas and dust areas. The field mounting BA474D also has associated apparatus certification allowing, when installed in a safe area, direct connection to a hazardous area sensor without the need for Zener barriers.
All the models are Hart enabled and feature a large easy to read 20mm high five digit display plus a 31 segment bargraph that may be illuminated by an optional loop powered backlight. The field mounting instruments have a robust IP66 GRP enclosure with an armoured glass window and a separate terminal compartment suitable for installation in harsh industrial and offshore environments. The panel mounting transmitters have an IP66 front panel and an IP66 seal between the instrument and the mounting panel. All models are approved to the latest Hart protocol standard revision 7 and include diagnostics that monitor the health of both the transmitter and the sensor. Transmitter configuration may be performed via Hart digital communication or the instrument push buttons.
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