Trafag Hybrid gas density monitor 8782

Technical data:

Applications: high voltage switches
Dielectric strength: microswitch: 2 kV connection point, output sensor: 250V counter ground (EN60255-5)
Measurement principle: mechanical monitoring: Principle: Reference gas measurement, electronic monitoring: Principle: Oscillation quartz measurement
Vibration: min. 5 kPa distance from switching point no contact jumps back below 20 ... 100 Hz: 4 g
Temperature medium: -40 °C ... 80 °C
Shock: 50g / 8ms
Ambient temperature: -40 °C ... 80 °C
Sensor: 1.4435, 1.4404, 1.4571 (AISI316L, AISI316)
Protection: IP65
Output signal: mechanical monitoring system: floating changeover contact
Electronic monitoring / sensor: analog: 6.5 ... 20 mA current loop
Output signal: 6.5 ... 20 mA
Current loop: 0 ... 0.85 MPa absolute SF6 @ 20 °C 0 ... 56.1 kg SF6 / m3
Measuring range: mechanical monitoring, measuring range absolute: 0 ... 1.1 MPa (0 ... 1100 kPa)
Electronic monitor / sensor, measuring range absolute: 0 ... 0.85MPa SF6 @ 20 ° C 0 ... 56.1 kg SF6 / m3