Main features
- Continuous measurement of density
- Long term drift free sensor output signal
- Maintenance free indoor and outdoor use
- Vibration and shock proof
- Suitable for outdoor usage
About
The gas density sensor Trafag 8773 has been specially designed for monitoring insulation gases. The gas density is measured with an oscillating quartz with excellent long term stability. A second quartz in vacuum is used to compensate for a possible temperature error. The output signal is a pulse train modulated onto the supply current. The measured density is propotional to the pulse frequency. Additionally the temperature can be measured over the pulse width of the frequency signal.
Technical Data
| Product code | 8773 |
|---|---|
| Designation | Gas Density Sensor |
| Measuring range | 0...60 kg SF6 /m3 10 ... 253 Hz |
| Measuring principle | Oscillating quartz measurement |
| Designation of application | Density sensor for SF6 and other gases |
| Output signal | Digital: current pulses onto supply current Density signal: pulse frequency 10...253 Hz (range 0...51.22kg SF6/m3) |
| Ambient temperature | -40°C ... 70°C |
| Applications | High voltage technology |
Downloads Go to file downloads
Datasheet:
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H72505i Gas Density Sensor 8773en
pdf 419.5KB
Manual:
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H73505f 8773 Density Sensoren
pdf 245.7KB
Certificates:
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