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8774

8774 Gas density sensor with analog output

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Main features

Continuous current loop output
Optional pulse-width modulation output
Temperature signal via pulse-width output
Suitable for outdoor and indoor applications
Long term drift free sensor output signal

About

Swiss based Trafag offers precise, reliable and maintenance-free instruments developed for density measuring of SF and related alternative gases. Measurement is based on the patented quartz tuning fork technology. Thus offering the most reliable and long term drift free solution on the market by directly measuring the insulating gas density.

Technical Data

More Information
Product code	8774
Designation	Gas density sensor with analog output
Measuring range	0...60 kg SF6 /m3 10 ... 253 Hz
Measuring principle	Oscillating quartz
Designation of application	Density sensor for SF6 and other gases
Output signal	Pulse-width: 10 … 292 Hz Current loop: 6.5 … 20 mA
Electrical connections	EN175301-803-A (DIN 43650-A); M12x1; cable
Ambient temperature	-40°C ... +80°C
Applications	Density monitoring in insulating and quenching gas High voltage technology Medium voltage technology SF and variety of alternative mixed gases