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

歡迎致電咨詢訂購Trafag,8716,8726,8736,8746,SF6氣體密度繼電器,氣體密度控制器

電話:010-51669912 56291930 15910733293

傳真：010-51669912

QQ：823377546 1491421115 2636968574

郵箱：sales@zoriver.cn

公司官網(wǎng)：http://www.zoriver.cn http://www.zoriver.com.cn