Exact switching following isochore at all temperatures
No contact bouncing
Independent, galvanically separated circuits
Continuous analogue output signal for gas density
Long term drift free output signal
- Precise switching according to the isochore at all temperatures
- Independent circuits, galvanically isolated
- Long-term behavior of the signal of exit not adrift
- Resistant to shock and vibration
- IP65 protection
- Maintenance free
- Suitable for outdoor use
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Applications
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High voltage switchgear
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Category
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Hybrid gas density monitors
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Dielectric strength
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Microswitch: 2 kV terminal ground
Output signal sensor: 250V against mass (EN60255-5)
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Measuring principle
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Mechanical monitoring: Principle: Reference gas measurement
Electronic monitoring: Principle: Oscillating quartz measurement
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Vibration
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At min. 5 kPa distance from switch point no contact bouncing
under 20...100 Hz: 4 g
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Media temperature
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-40°C ... 80°C
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Shock
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50g/ 8 ms
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Ambient temperature
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-40°C ... 80°C
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Sensor
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1.4435, 1.4404, 1.4571 (AISI316L, AISI316)
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Protection
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IP65
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Output signal
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Mechanical monitoring: floating change-over contact
Electronic monitoring/sensor: analogue: 6.5...20 mA current loop
Output signal 6.5...20 mA
current loop 0...0.85MPa absolute SF6 @ 20°C 0...56.1 kg SF6 /m3
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Measuring range
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Mechanical monitoring, measuring range absolute: 0...1.1 MPa (0...1100 kPa)
Electronic monitoring/sensor, measuring range absolute: 0...0.85MPa SF6 @ 20°C 0...56.1 kg SF6 /m3
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