VSP841 / VSP842 – Passive Vacuum Sensor
Absolute Pressure 1000…100 mbar to 1 x 10-3 mbar, 750…75 Torr to 1 x 10-3 Torr
The VSP841 and VSP842 Pirani half bridges measure 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.
Benefits
- Economical Pirani sensor
- 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
Typical Applications
- Monitoring of vacuum insulations
- Appliances with integrated electronics for regulation and evaluation
- Apparatus engineering
- Chemical process engineering
- Analysis instruments
- Freeze drying
- Concentrators
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