| 接口尺寸： | 螺紋,法蘭（mm） | 加工定制： | 是 |
| 防護(hù)等級： | IP65 | 測量范圍： | 0-1（kPa） |
| 類型： | Trafag,8711,8731,8741,8751,SF6氣體密度變送,SF6氣體密度控制器 | 防爆等級： | IP65 |
| 型號： | Trafag,8711,8731,8741,8751,SF6氣體密度變送,SF6氣體密度控制器 | 測量介質(zhì)： | SF6氣體 |
| 精度等級： | 1 | 品牌： | TRAFAG/瑞士 |
| 輸出信號： | 4-20（mA） | 電源電壓： | 4（V） |
Trafag,8711,8712,8731,8741,8750,8751,SF6氣體密度變送,SF6氣體密度控制器
Trafag,8711,8712,8731,8741,8750,8751,SF6氣體密度變送,SF6氣體密度控制器
產(chǎn)品規(guī)格：
適用于SF6和其它氣體
測量原理：參考室氣體
測量范圍：0...1 MPa (0...1000 kPa)
輸出：微動開關(guān)觸點
較同類產(chǎn)
Application
High voltage technology
Main characteristics
Gas Density Controller for SF6 and other gases
Principle: Reference gas measurement
Measuring range: 0...1 MPa (0...1000 kPa)
Output: floating change-over contact
Switch point: adjustment in factory
Main features
Exact switching following isochore
? Excellent vibration resistance
? No false alarms at low temperatures
? Stainless steel sensor
? Independent, galvanically separated circuits
Specifications
Main characteristics
Principle: R eference gas measurement
Measuring range: 0...1 MPa (0...1000 kPa)
Output: floating change-over contact
Switch point: adjustment in factory
Accuracy (@ 20°C)
Switching differential typ.
Microswitch 20: <15 kPa
Microswitch 28/83: <10 kPa
Accuracy of the reference Miroswitch from the reference isochore (see page 4)
-30...+50°C: <10 kPa(Filling pressure: <650 kPa)
-30...+50°C: <12 kPa(Filling pressure: <1 MPa)
Microswitch
Rating: see table
Resistance of insulation: > 2 MΩ
Dielectric strength: 2 kV terminal ground
Life time (mechanical)
Microswitch 20: 1 Mio. cycles
Microswitch 28/83: 10 Mio. cycles
Max. difference from the lowest to the highest
switching point: 130kPa
Electrical connection
Male electrical plug: DIN 43650-A
Female electrical connector
Cable-?: 6...13 mm
Terminal screw: 0.5...1.5 mm2
Environmental conditions
Ambient temperatur: -40....+80°C
Media temperature -40....+80°C
Protection:
8711/50/51: IP54
8712/21/31/41: IP00
Humidity: max. 95 % relative
Vibration
Min. Difference from switch point: 5 kPa
20...80 Hz: 4 g
Shock: 50g/ 11ms
