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Further model VD81MCIR with infrared data-interface can
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transmit measurement data directly to a PC (online-transmission) or
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store measurement data in the instrument (datalogging) and via push of a
button transmit them to a PC afterwards
Measurement Principle
The VD81 compakt-vakuummeter is equipped with a piezoresistive ceramic-
sensor. Under the influence of pressure a thin diaphragm is bent, on it's back a
resistor-bridge is applied. The bending forces the measurement-bridge to come
out of tune, which is a measure for the applied pressure.
Proper Use
The VD81 serves exclusively to provide total pressure measurements in the
range 1600 - 1 mbar. It may only be connected to components specifically
provided for such purpose.
Improper Use
The use for purposes not covered above is regarded as improper, in particular:
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the connection to components not allowed for in their operating instructions
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the connection to components containing touchable, voltage carrying parts.
No liability or warranty will be accepted for claims arising from improper use.
The user bears the responsibility with respect to the used process media.
