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类型: | Trafag,SF6气体密度继电器,气体密度控制器,8716,8726,8736,8746 | 联接型式: | 轴向 |
型号: | 111 | 精度等级: | 1 |
品牌: | Trafag,SF6气体密度继电器,气体密度控制器,8716,8726,8736,8746 | 环境温度: | -10-40(℃) |
**: | 是 | 公称直径: | 100(mm) |
测量范围: | 0-160(MPa) |
Trafag,SF6气体密度继电器,SF6气体密度控制器,8716,8726,8736,8746
应用于SF6和其它气体
Trafag,8716,8726,8736,8746,SF6气体密度继电器,气体密度控制器基本参数:
压力范围:0...1 MPa (0...1000 kPa)
输出:微动开关触点控制
适用温度:-30-50度
适用气体:SF6和其它气体
精度等级:
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气体密度继电器,气体密度控制器产品特点:
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 t*.
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: br* nickel plated
Weight: ~ 800...1000 g
Pressure connection: 1.4404 (AISI 316L)
(see data sheet H72502)
Electrical data switch
Protection
Dimensions
Dimensions
8716
Trafag