Trafag 8774 Gas Density Sensor
Product Code:8774
Description
Applications
High voltage switchgear, Medium voltage switchgear
Category
Gas density monitoring
Dielectric strength
250 VAC, 50 Hz
Measuring principle
Oscillating quartz measurement
Vibration
15 g (max. 6 mm), (5...2000 Hz)
Media temperature
-40°C ... 70°C
Shock
100g/ 6 ms
Ambient temperature
Permanent -40... +70°C
(max. 200h per year) -55... +70°C
Protection
IP65
Output signal
Digital: current pulses
Density signal: pulse frequency 10...292 Hz (range 0...60 kg SF6/m3)
Analogue: 6.5...20 mA
Density signal: current loop 10...275 Hz (range 0...56.1 kg SF6/m3)
Measuring range
0...60 kg SF6 /m3
10 ... 253 Hz
Technical Specifications
Applications | High voltage switchgear, Medium voltage switchgear |
|---|---|
Category | Gas density monitoring |
Dielectric strength | 250 VAC, 50 Hz |
Measuring principle | Oscillating quartz measurement |
Vibration | 15 g (max. 6 mm), (5...2000 Hz) |
Media temperature | -40°C ... 70°C |
Shock | 100g/ 6 ms |
Ambient temperature | Permanent -40... +70°C |
Protection | IP65 |
Output signal | Digital: current pulses |
Measuring range | 0...60 kg SF6 /m3 |