联系人 eric
Road caiwei 8, Beijing, Beijing
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 (@********************
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
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
| 国家: | China |
| 型号: | - |
| 离岸价格: | 获取最新报价 |
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