87x8 Arctic gas density monitor

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Main features

  • Exact switching output at all temperatures
  • For arctic temperatures down to -60°C
  • Independent, galvanically separated switching circuits
  • Accurate and reliable under extreme conditions
  • Process gas liquefaction alarm
About
Swiss based Trafag offers precise, reliable and maintenance-free instruments developed for density monitoring of SF and related alternative gases. Monitoring is based on the gas density reference principle. The arctic monitor is based on the gas density reference principle and reliably keeps the liquefaction alarm status until it returns to normal condition. Thus offering the most reliable solution on the market by directly monitoring the insulating gas density.

Technical Data

More Information
Product code 87x8
Designation Arctic gas density monitor
Measuring range Absolute: 0...1.1 MPa / (0...1100 kPa)
Measuring principle Absolute pressure reference gas measuring system
Designation of application Density monitoring in insulating and quenching gas
Output signal Floating change-over contact (SPDT)
Ambient temperature -60°C ... +80°C
Applications

High voltage technology
Medium voltage technology
SF and variety of alternative mixed gases

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