类型: | Trafag,8718,8728,8738,8748,气体密度继电器,极低温SF6气体密度控制器 | 联接型式: | 螺纹 |
型号: | Trafag气体密度继电器,SF6气体密度控制器,8718,8728,8738,8748 | 精度等级: | 1 |
品牌: | Trafag/瑞士 | 环境温度: | -60-80(℃) |
加工定制: | 是 | 公称直径: | 100(mm) |
测量范围: | 0-1.1(MPa) |
Trafag,8718,8728,8738,8748,气体密度继电器,极低温SF6气体密度控制器
北极温度SF6气体密度继电器,SF6气体密度控制器
Trafag8718,8728,8738,8748,SF6气体密度继电器基本参数
压力范围:0...1 MPa (0...1000 kPa)
使用温度:-60ºC (-65ºC)
适用气体:SF6和其它气体
精度等级:
Reference pressure <650 kPa abs.: ± <10 kPa @ -30...+50°C
Reference pressure >650 kPa abs.: ± <12 kPa @ -30...+50°C
Trafag,8718,8728,8738,8748,气体密度继电器,极低温SF6气体密度控制器产品特点
北极温度SF6气体密度继电器,SF6气体密度控制器
Application
High voltage technology
Main characteristics
Gas Density Monitor for SF6 and other gases
? Principle: Reference gas measurement
? Measuring range: 0...1.1 MPa (0...1100 kPa)
? Output: floating change-over contact
? Switch point: factory calibrated
Main features
? For arctic temperatures: –60...+80°C
? Switching signal in case of liquefaction of gas
? Exact switching following isochore
? Excellent vibration resistance
? No false alarms at low temperatures
? Stainless steel sensor
? Independent, galvanically separated circuits
Ordering information
dzsc/19/3491/19349199.jpg
dzsc/19/3491/19349199.jpg
dzsc/19/3491/19349199.jpg
Specifications
Main characteristics
Principle: Reference gas measurement
Measuring range absolut: 0...1.1 MPa(0...1100 kPa)
Output: floating change-over contact
Switch point: adjustment in factory
accuracy (@ 20°C)
Reference pressure <650 kPa 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
max. difference from the lowest to the highest
switch point: 130kPa
Switching differential typ.
micro switch 20: <15 kPa
for indicating range or switching distance
> 80 kPa: <15 kPa
Electrical connection
Screwed cable gland: see accessories
Terminal screw: plugable, 0.2...2.5 mm2
Environmental conditions
Ambient temperatur: –60...+80°C
Media temperature –60...+80°C
Protection: IP65
Humidity: max. 95% relative
Vibration
Min. Difference from switch point: 5 kPa
20...80 Hz: 4 g
Choc: 50g/ 11ms
Mechanical daTA
Material
Measurement system:
Sensor: 1.4435,1.4404, 1.4401(AISI316L, AISI316)
Sensor housing, options: 1.4435, 1.4404(AISI 316L)
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
dzsc/19/3491/19349199.jpg
Protection
dzsc/19/3491/19349199.jpg
Dimensions
dzsc/19/3491/19349199.jpg
dzsc/19/3491/19349199.jpg
dzsc/19/3491/19349199.jpg
Dimensions
dzsc/19/3491/19349199.jpg
dzsc/19/3491/19349199.jpg
verschiedene Gas-Druckanschlüsse siehe:
différents raccords de pression pour gaz voir:
different gas pressure connections see:
Data sheet No: H72502
联接型式: 螺纹 环境温度: -55-80(℃) 加工定制: 是 公称直径: 100(mm) 测量范围: 0-1(MPa) 类型: Trafag,8710,8720,8730,8740,SF6特高压气体密度继电器,气体密度控制器 型号: Trafag,8710,8720,8730,8740,SF6特高压气体密度继电器,气体密度控制器 精度等级: 1 品牌: TRAFAG/瑞士 属性: 属性值 Trafag,8710,8720,8730,8740,SF6特高压气体密度继电器,气体密度控制器 Trafag,8710,8720,8730,8740,SF6特高压气体密度继电器,气体密度控制器 主要技术规格 主要应用于水处理及高压开关设备 压力范围:0...1 MPa 开关点工厂设定 ...
接口尺寸: 螺纹(mm) 加工定制: 是 防护等级: IP67 测量范围: 0...60 kg SF /m3(kPa) 类型: Trafag,8774,SF6气体密度变送器,SF6混合气特高压气体密度传感器 防爆等级: IP67 型号: Trafag,8774,SF6气体密度变送器,SF6混合气特高压气体密度传感器 测量介质: SF6及混合气体 精度等级: 1 品牌: Trafag/瑞士 输出信号: 4-20(mA) 电源电压: 4(V) Trafag,8774,SF6气体密度变送器,SF6混合气特高压气体密度传感器 Trafag,8774,SF6气体密度变送器,SF6混合气特高压气体密度传感器 基本技术参数: 适用于SF6气体或是其它气体 ...