Cảm biến tỷ trọng khí SF6 878X Trafag

Mã sản phẩm: 878X |
Thương hiệu: Trafag

Giá bán: Liên hệ
Cảm biến tỷ trọng khí SF6
Model: 878X
Hãng: Trafag


Yêu Cầu Giá Tốt

  • 024 2242 8148
  • info@ttech.vn
Thông tin sản phẩm
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


Thông số kỹ thuật



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

IP65

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

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