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
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

Density monitoring in insulating and quenching gas
High voltage technology
Medium voltage technology
SF and variety of alternative mixed gases

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