Convertors make sense of piezoelectric sensors
A
Techni Measure product story
Edited by the Engineeringtalk editorial team
Jan 9, 2006
New inline charge convertors serve to convert charge mode piezoelectric sensor signals into low impedance voltage signals for direct connection to ICP type power supplies or analysis instruments.
From Techni Measure, the 422E series of inline charge convertors serve to convert charge mode piezoelectric sensor signals into low impedance voltage signals for direct connection to ICP type power supplies or analysis instruments.
These low noise modules simply install in the line between the sensor and signal conditioner and are available with three different input ranges.
There are units with frequency responses down to 5Hz and another range offering low frequency measurements down to 0.5Hz.
New to this range of standard amplifiers are the models 422E35 and 422E36, which are specifically designed to accommodate low source resistances.
This situation can arise when a charge mode sensor is used in temperatures over 200C.
The insulation resistance could be reduced to a level that may cause other charge convertors to shut off.
There are also units available with built in transducer electronic datasheets (TEDS), which enable the devices to store and recall TEDS data for the charge mode sensor to which it is attached.
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