Product Name: Trafag 8781 Hybrid Gas Density Monitor Product Brand: Trafag Product Code: 8781 Product Artikel: Trafag 8781 Hybrid Gas Density Monitor
Applications High voltage switchgear Category Hybrid gas density monitors Dielectric strength Microswitch: 2 kV terminal ground Output signal sensor: 250V against mass (EN60255-5) Measuring principle Mechanical monitoring: Principle: Reference gas measurement Electronic monitoring: Principle: Oscillating quartz measurement Vibration At min. 5 kPa distance from switch point no contact bouncing under 20...100 Hz: 4 g Media temperature -40°C ... 80°C Shock 50g/ 8 ms Ambient temperature -40°C ... 80°C Sensor 1.4435, 1.4404, 1.4571 (AISI316L, AISI316) Protection IP67 Output signal 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 Measuring range 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
"Trafag 8781 Hybrid Gas Density Monitor" معلومات مفصلة
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