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SF6 gas density controller 8729
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Description
About
Trafag, based in Switzerland, supplies precise, reliable and maintenance-free instruments developed for density monitoring of SF6 and alternative gases. Measurement is based on the gas density reference principle or on the patented oscillating quartz technology. Hybrid monitors combine both principles in a single instrument, providing a reliable solution by directly measuring gas density.
Main features
Technical Data
Product code: 8729
Designation: Hybrid gas density monitor with switching contacts and current output
Measuring range:
Product category: Gas density monitoring
Applications: Medium voltage technology
Technical specifications
Trafag, based in Switzerland, supplies precise, reliable and maintenance-free instruments developed for density monitoring of SF6 and alternative gases. Measurement is based on the gas density reference principle or on the patented oscillating quartz technology. Hybrid monitors combine both principles in a single instrument, providing a reliable solution by directly measuring gas density.
Main features
- Large dial for easy readability
- Up to four galvanically separated circuits
- Fully temperature compensated
- Suitable for outdoor and indoor applications
- Compliant with SF6 and the full spectrum of alternative mixed insulation gases
- Hybrid design combining density reference monitor and oscillating quartz sensor
Technical Data
Product code: 8729
Designation: Hybrid gas density monitor with switching contacts and current output
Measuring range:
- 0 ... 1300 kPa abs. @ 20°C
- 0 ... 60 kg/m3
- Monitor: Absolute pressure reference gas measuring system
- Sensor: Oscillating quartz
- Monitor: Floating change-over contact (SPDT)
- Sensor: 4 ... 20 mA
Product category: Gas density monitoring
Applications: Medium voltage technology
Technical specifications
- Manufacturer/Brand: Trafag
- Product code: 8729
- Model: Hybrid gas density monitor (hybrid = gas density reference principle + oscillating quartz sensor)
- Measuring range: 0 ... 1300 kPa abs. @ 20°C
- Alternative measuring unit: 0 ... 60 kg/m3
- Measuring principle (monitor): Absolute pressure reference gas measuring system
- Measuring principle (sensor): Oscillating quartz
- Outputs: SPDT floating change-over contact(s) and 4 ... 20 mA current output
- Up to four galvanically separated circuits
- Temperature compensation: Fully temperature compensated
- Operating ambient temperature: -40°C to +80°C
- Suitable for indoor and outdoor installation
- Compliance: SF6 and full spectrum of alternative mixed insulation gases
- Intended application: Medium voltage technology
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