Trafag,8781,8782,8783,SF6气体密度继电器带变送器,SF6气体密度继电器,SF6气体密谋变送器

    Trafag,8781,8782,8783,SF6气体密度继电器带变送器,SF6气体密度继电器,SF6气体密度变送器

    主要技术规格

    适用于:SF6和其它气体

    防护等级IP65

    免维护免校准

    应用于高压开关设备

    压力范围:绝对压力0...1.1 MPa(0...1100 kPa)   

    测量压力:0...0.85MPa SF6@ 20°C  0...56.1 kg SF6 /m3
    输出:数字信号或模拟电流,可连续监测,长期无飘移

    适用于户外使用

    Trafag,8781,8782,8783,SF6气体密度继电器带变送器,SF6气体密度继电器,SF6气体密度变送器

    主要特点:

• Most accurate device on the market市场上气体密度设备最准确的产品
• High resistance against vibration and shock高抗振性和防冲击性No bouncing of electrical contacts
• Excellent low and high temperature capability适用于任何低温和高温的场合

    Application
    High voltage technology

   main cHaracteristics

    Gas Density Monitor for SF6 and other gases with output signal for continuous monitoring

    Mechanical monitoring:
?  Principle:                    Reference gas measurement
?  Measuring range absolute:     0...1.1 MPa(0...1100 kPa)
?  Output:                       floating change-over contact
?  Switch point:                 factory calibrated

    Electronic monitoring/Sensor:
?  Principle:                    Oscillating quartz measurement
?  Measuring range absolute:     0...0.85MPa SF6@ 20°C
                                  0...56.1 kg SF6 /m3
?  Output
      analogue:                   current loop
?  Accuracy:                     ±1.0% FS typ.
                                  ±1.8% FS max.
   main features
?  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
?  Vibration and shock proof
?  Protection IP65
?  Maintenance-free
?  Suitable for outdoor usage