亚洲视频福利,日本精品一区二区三区在线,日韩欧美在线视频一区二区,国产高清自产拍av在线,99久久99久久精品国产片果冻,国产视频手机在线,成人禁在线观看午夜亚洲

Trafag,8781,8782,8783,SF6氣體密度繼電器帶變送器,SF6氣體密度繼電器,SF6氣體密謀變送器

    Trafag,8781,8782,8783,SF6氣體密度繼電器帶變送器,SF6氣體密度繼電器,SF6氣體密度變送器

    主要技術(shù)規(guī)格

    適用于:SF6和其它氣體

    防護(hù)等級IP65

    免維護(hù)免校準(zhǔn)

    應(yīng)用于高壓開關(guān)設(shè)備

    壓力范圍:絕對壓力0...1.1 MPa（0...1100 kPa）   

    測量壓力:0...0.85MPa SF6@ 20°C  0...56.1 kg SF6 /m3    輸出:數(shù)字信號或模擬電流,可連續(xù)監(jiān)測,長期無飄移

    適用于戶外使用

    Trafag,8781,8782,8783,SF6氣體密度繼電器帶變送器,SF6氣體密度繼電器,SF6氣體密度變送器

    主要特點:

• Most accurate device on the market市場上氣體密度設(shè)備最準(zhǔn)確的產(chǎn)品
• High resistance against vibration ａnd shock高抗振性和防沖擊性No bouncing of electrical contacts
• Excellent low ａnd high temperature capability適用于任何低溫和高溫的場合

    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

   Ordering information

   Specifications

    Main characteristics

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

    Electronic monitoring:    Principle:                   Oscillating quartz measurement    Measuring range absolute:    0...0.85MPa SF6@ 20°C                                 0...56.1 kg SF6 /m3    Output analogue:             6.5...20 mA                                 current loop    switch point accuracy    Reference pressure          <650 kPa @ 20°C abs.:                                ± <10 kPa @ -30...+50°C    Reference pressure           >650 kPa abs.:                                ± <12 kPa @ -30...+50°C

   accuracy of indicator    Mechanical monitoring:    SF6 Indicator dial      Accuracy of indicator within numeralised      range:                    ± 10 kPa @ 20°C    Low pressure indicator      Accuracy of indicator within numeralised      range:        @ 0 kPa relative:       ± 20 kPa        >200 kPa relative:      ± 10 %

    accuracy of sensor:    Accuracy:                   ±1.0% FS typ.                                ±1.8% FS max.    Repeatability:              ±0.2% FS    Response time for installed sensors: τ （63%）                                         < 20 msec.    Measured value within ±1.8% FS error band after connecting to:      SF6-pressurized GIS tank:  96 h      vacuumized GIS tank:       10 min.

   Microswitch    Rating:                      see table    Resistance of insulation:    > 10 MΩ    Dielectric strenght:         2 kV terminal to ground    Life time （mechanical）      Microswitch 20:            1 Mio. cycles      Microswitch 28:            10 Mio. cycles    max. difference from the lowest to the highest      switch point:              130kPa    Switching differential typ.      Microswitch 20:            <15 kPa      Microswitch 28:            <10 kPa      for indicating range or switching distance      > 80 kPa:                  <15 kPa

   Electric output signal sensor:    Output signal                6.5...20 mA                                 current loop                                 0...0.85MPa absolute SF6 @ 20°C                                 0...56.1 kg SF6 /m3    Earthing:                    via gas connection of sensor    Supply voltage      Analog output:             2-wire, 10...32 VDC    Dielectrical strength:       250V against mass（EN60255-5）    Resistance of insulation:    > 10 MΩ

    Electrical connection    Screwed cable gland:         see accessories    Screw terminal:              plugable, 0.2...2.5 mm2

   environmental conditions    Ambient temperature:         –40...+80°C    Media temperature:           –40...+80°C    Storage temperature:         –40...+80°C    Protection:                  IP65    Humidity:                    max. 98% relative    Vibration:      @ min. 5 kPa distance from switch point no      contact bouncing      under 20...100 Hz:          4 g    Shock:                        50g/ 8m

    EMC Protection    ESD:                          15kV air EN/IEC 61000-4-2    Radiated Immunity:            10V/m, 80...1000Hz EN/ IEC 61000-4-3    Burst:                        4kV EN/IEC 61000-4-4    Surge:                        4kV （42 Ω） EN/IEC 61000-4-5    Conducted Immunity:           10V, EN/IEC 61000-4-6

   Mechanical data    Material      Measurement system        Mech. Sensor:             1.4435,1.4404, 1.4571（AISI316L, AISI316）        Probe housing:              1.4435, 1.4404, 1.4571 （AISI316L）        O-Ring （media contacting）:  CR        Filling:                    Gas

      Housing （density monitor）: AISi10Mg    Screwed cable gland:         brass nickel plated    Weight:                       ~ 1 kg    Pressure connection:         1.4404 （AISI316L）（see data sheet H72502）

Trafag,SF6氣體密度繼電器,SF6氣體密度控制器,8716,8726,8736,8746

應(yīng)用于SF6和其它氣體

     Trafag,8716,8726,8736,8746,SF6氣體密度繼電器,氣體密度控制器基本參數(shù)：

    壓力范圍：0...1 MPa （0...1000 kPa）

    輸出：微動開關(guān)觸點控制

    適用溫度：-30-50度

    適用氣體：SF6和其它氣體

    精度等級：

    Reference pressure <650 kPa @ 20°C abs.:± <10 kPa @ -30...+50°C     Reference pressure >650 kPa abs.:± <12 kPa @ -30...+50°C

    Trafag,8716,8726,8736,8746,SF6氣體密度繼電器,氣體密度控制器產(chǎn)品特點：

• Principle: Reference gas measurement測量原理參考室氣體
• Exact switching following isochore精確的微動開關(guān)
• Excellent vibration resistance良好的抗振性
• No false alarms at low temperatures在低溫下不存在虛假報警
• Stainless steel or aluminum sensor不銹鋼或鋁傳感謝器
• Galvanically separated circuits分立隔離電路
• Switch point adjustment in factory工廠設(shè)定開關(guān)點

   Application    High voltage technology

   Main characteristics

    Gas Density Monitor for SF6 ａnd other gases?  Principle:                    R eference gas measurement?  Measuring range absolute:     0...1.1 MPa                                  （0...1100 kPa）?  Output:                       floating change-over contact?  Switch point:                 factory calibrated

    Main features?  Exact switching following isochore at all temperatures?  Excellent vibration resistance?  No contact bouncing?  Either stainless steel or aluminium/stainless steel probe?  Independent, galvanically separated circuits

    Ordering information

    Specifications

    Main characteristics    Principle:                   R eference gas measurement    Measuring range absolute:    0...1.1 MPa（0...1100 kPa）    Output:                      floating change-over contact    Switch point:                factory calibration

   accuracy    Reference pressure <650 kPa @ 20°C abs.:                                ± <10 kPa @ -30...+50°C    Reference pressure >650 kPa abs.:                                ± <12 kPa @ -30...+50°C

   accuracy of indicator    SF6 Indicator dial      Accuracy of indicator within numeralised      range:                    ± 10 kPa @ 20°C    Low pressure indicator      Accuracy of indicator within numeralised      range:      @ 0 kPa relative:         ± 20 kPa      >200 kPa relative:        ± 10 %

    Micro switch    Rating:                     see table    Resistance of insulation:   > 2 MΩ    Dielectric strenght:        2 kV terminal to ground    Life time （mechanical）      micro switch 20:          1 Mio. cycles      micro switch 28:          10 Mio. cycles    max. difference from the lowest to the highest      switch point: 130kPa    Switching differential typ.      micro switch 20:          <15 kPa      micro switch 28:          <10 kPa        for indicating range or switching distance        > 80 kPa:               <15 kPa

    Electrical connection    Screwed cable gland:        see accessories    Screw terminal:             plugable, 0.2...2.5 mm2

   environmental conditions    Ambient temperature:        –40...+80°C    Media temperature:          –40...+80°C    Protection:                 IP67    Humidity:                   max. 95% relative    Vibration:      @ min. 5 kPa distance from switch point no contact bouncing

      under 20...80 Hz:         4 g    Vibration resistance:       100 Hz, 20g, 15 min.    Shock:                      50g/ 11ms

    Mechanical data    Material      Measurement system      Sensor:                   1.4435,1.4404, 1.4571                                （AISI316L, AISI316）        Filling:                  Gas      Housing （density monitor）: AIS i10Mg    Screwed cable gland:         brass nickel plated    Weight:                      ~ 800...1000 g    Pressure connection:         1.4404 （AISI 316L）                                 （see data sheet H72502）

   Electrical data switch

   Protection

   Dimensions

   Dimensions

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)品更精確

    良好的抗振性

    低溫下沒有誤報警

    不銹鋼傳感器

    分立的隔離電路

    環(huán)境溫度：-40 ... +80°C

   介質(zhì)溫度-40 ... +80°C   

   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

   Ordering information

    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-Ø:                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

    Security    Leakage of Reference chamber: < 0.5 kPa/ year                                  （5·10-10 kPa·I·s-1）    Service:                      none,switch point checking after 5 years    Reference chamber leakage tests: With Helium gas in vacuum process                                  ａnd integral leakage test in overpressure process

   Mechanical data    Material      Sensor:         Housing:                 1.4435 （AISI316L）         Filling:                 Gas      Housing:                    AlMgSi1, anodized      Male electrical plug:       PA, Polyamid    Weight:                       ~ 350 g （8711）

   Electrical data switch

   Electrical connection

    Dimensions

    Accessories