News release, -- March 12, 2005 --

VibraSens offer to his customer the possibility to measure the low frequency response from 0.1Hz to 5Hz of most accelerometer type ranging from charge and voltage type piezoelectric sensors. Test accelerometer output can be single-ended or differential, ac or dc coupled, isolated or grounded. The system is also able to calibrate velocity or displacement sensor. Computer controlled helps eliminate operator error, enhances repeatability, and ensures optimum signal-to-noise ratio and calibration accuracy

To order specify : 511.01

News release, -- August 2, 2004 --

The VibraSens PC based automated dynamic pressure calibration system provides calibration of dynamic pressure transducer ranging from charge and voltage type piezoelectric sensors. Test sensor output can be single-ended or differential, ac or dc coupled, isolated or grounded.

With 2 bars (31 PSI) dynamic, our system provides better signal noise ratio at low frequency than pistonphone used to calibrate microphones and other acoustic sensors.

The periodic signal helps us to use digital filtering cross correlation technic that greatly improved signal noise ratio.

Using Computer control, we have also been able to implement comparison calibration with substitution that virtually eliminates uncertainties due to temperature variation and signal conditioner gain on the entire frequency range.

Its operationall software is based on National Instrument Labview to ensure minimum operator error and enhances repeatability.