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Baseefa Ltd

Intrinsically safe Trafag Ex-pressure transmitter

10 January 2014

The new Ex-Pressure Transmitter EXNT 8292 by Swiss manufacturer Trafag was developed for relative pressure measurement in explosion-endangered areas such as in the oil and gas industry as well as the mining industry. It is the first choice for demanding applications in hazardous environments thanks to its robust design and long-term stable thin-film-on-steel sensor technology.

It is designed to fulfill ATEX and IECEx norms for applications in Ex-zones with gas contact 0, 1, 2, dust contact 20, 21, 22 as well as the application in underground mining. (II 1G Ex ia IIC T4/T6 Ga, II 1 D Ex ia IIIC IP6x T130° Da, I M1 Ex ia I Ma, II 1/2G Ex ia IIC T4/T6 Ga/Gb). It additionally fulfills the EMC protection according to IEC61000.

Overview of Advantages and Performance: 
ATEX and IECEx Approved: for Ex-zones 0, 1, 2 (gas), 20, 21, 22 (dust), mining, a Measuring range of 400 mbar…2000 bar, Output signal 4…20 mA, Accuracy NLH (BSL through 0) 0.1% and 0.3% EMC-protection, IEC 61000 with high burst pressure safety and Excellent long-term stability due to thin-film-on-steel sensor technology and a completely welded steel sensor system.

The  technical  advantages  of  the  Ex-Pressure Transmitter  EXNT  type 8292 is the wide pressure measuring range 0…400 mbar to 0…2000 bar, a very high burst pressure safety (up to 3x of the nominal pressure) as well as an excellent long-term stability thanks to its thin-film-on-steel sensor technology. The sensor system is completely welded and is therefore absolutely gas tight. The Ex-Pressure Transmitter EXNT has an output signal of 4…20 mA and is available with accuracies of 0.1% and 0.3%. Various pressure connections and electrical plugs, a protection up to IP67 as well as the large range of permitted operating temperatures from -40°C up to 120°C enables installation in many varied areas.

Trafag is a leading global provider of high-quality sensors and monitoring devices for pressure, temperature and gas density. In addition to a wide range of standardised, configurable products, Trafag also develops customized solutions for OEM customers.
Founded in 1942, Trafag is based out of Switzerland and has a wide distribution and service network in over 40 countries worldwide. This enables us to provide personal and professional customer service and ensures that all of their services are of the highest quality. Powerful development and production departments guarantee that Trafag products are of the highest quality and precision, product delivery is fast and reliable and customer requests are implemented quickly.

More information can be found on the data sheet:
Tel.: +44 (0)1 268 727 172  Email:

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