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However these probes can be used for higher frequency measurements (particularly of very weak signals) but in such situations the inherent directivity and spatial averaging characteristics of a 1mm aperture means that care should be taken in interpreting data.
All dimensions are in mm. All probes are hand made and as such there is always some variation between individual devices. Please contact us if the actual dimensions are critical to your work.
|Output Impedance:||27pF+/- 4pF|
|Typical Probe Sensitivity:||850nV/Pa (equivalent to -241.4dB re 1V/uPa) averaged over the range 2-12MHz when measured at the output of a correctly terminated HP1 Submersible Preamplifier|
|Sensitivity Tolerance:||Sensitivity variation between individual probes is approx. +/-3dB|
|Typical Frequency Response:||Flat (+/-2dB): 3 to 12MHz
Flat (+/-4dB): 200kHz to 15MHz
Minimum calibration frequency 50kHz
|Sensor Material:||28 micron thick gold electroded Polyvinylidene fluoride (PVdF) film|
|Sensor Dimension||1.0mm diameter disc|
* Precision Acoustics reserves the right to change the specification without notice.