万喜堂彩票 
万喜堂彩票
VSP842PassiveVacuumSensor●1/8NPTthreadTheVSP842Piranihalfbridgemeasuresabsolutepressureinthefinevacuumrange
The VSP842 Pirani half bridge measures absolute pressure in the fine vacuum range. The robust heat conduction sensor is compact, pre-adjusted and temperature compensated.
It is suitable for controlled and passive bridge circuits and as sensor for monitoring of vacuum isolations, readout of measurements with VD84 .
描述
EconomicalPiranisensor
Good long time stability
Durable sensor, elastic helix filament
Filament protected from condensing solvents by a metal screen
Sensor pre-adjusted
Extremely small sensor volume
Screwable, electric connector
Proposal for evaluation circuit available on request
应用
Monitoring of vacuum insulations
Appliances with integrated electronics for regulation and evaluation
Apparatus engineering
Chemical process engineering
Analysis instruments
Freeze drying
Concentrators
技术参数
| WEIGHT | 0.06 kg |
|---|---|
| DIMENSIONS | 3 x 3 x 6.9 cm |
| MEASURING PRINCIPLE | Pirani, depending on gas type |
| MATERIALS IN CONTACT WITH VACUUM | Stainless steel 1.4305, nickel, tungsten, glass, epoxy resin |
| MEASUREMENT RANGE | 1000…100 – 1 x 10-3 mbar (750…75 – 1 x 10-3 Torr), admitted overpressure 4 bar absolute |
| ACCURACY | Dependent on the evaluation circuit, e. g. 10 – 1 x 10-2 mbar: Approx. 15% from reading |
| RESPONSE TIME | Ca. 200 ms |
| POWER SUPPLY | Supply of bridge circuit according to circuit proposal or with VD84 |
| ELECTRICAL CONNECTION | 4 pole circular plug binder 713, screwable |
| POWER CONSUMPTION | Approx. 30 mA |
| OPERATING TEMPERATURE | +10 °C…+40°C |
| STORAGE TEMPERATURE | -20 °C…+80°C |
| MAX. BAKE OUT TEMPERATURE | 80°C at the flange |
| OUTPUT SIGNAL | Change of bridge voltage depending on vacuum |
| VACUUM CONNECTION | 1/8"-NPT-male thread |
| PROTECTION CLASS | IP65 |
附件
vsp8412e.pdf
man_vsp841842_d_e-.pdf
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