Miniature piezoelectric charge accelerometer, side connector, integral cable
Designed for high-level, high-frequency measurements in confined spaces and on delicate structures.Request a quote
Type 4374 is a piezoelectric, Planar Shear accelerometer. The integrated side cable terminates with a 10 – 32 UNF connector. Type 4374 is mounted on the object adhesively.
- High-level, high-frequency measurements
- Measurements in confined spaces
- Measurements on delicate structures
- Vibration testing and analysis
This piezoelectric accelerometer may be treated as a charge source. Its sensitivity is expressed in terms of charge per unit acceleration (pC/g).
In the Planar Shear design, the piezoelectric element undergoes shear deformation as in the DeltaShear® design. Two rectangular slices of piezoelectric material are arranged on each side of a rectangular centre post. Two masses are held in position using a high tensile strength clamping ring. The ring prestresses the piezoelectric elements to give a high degree of linearity. The charge is collected between the housing and the clamping ring. The piezoelectric element used in Type 4374 and Type 4734-S is PZ 27. Type 4734-L is PZ 23. The housing material is titanium.
The sensitivity given in the calibration chart has been measured at 159.2 Hz and an acceleration of 10 g. For 99.9% confidence level, the accuracy of the factory calibration is ± 2%.
- Frequency range
- 1 – 26000 Hz
- -74 – 250 C
- 0.75 gram
- 0.15 pC/ms^-2
- Residual Noise Level in Spec Freq Range (rms) ±
- 1.85 mg
- Maximum Operational Level (peak)
- 5000 g
- Electrical connector
- 10-32 UNF
- Accessory Included
- Integral AO 0038
- Clip/Stud/Screw included
- Resonance frequency
- 85 kHz
- Maximum Shock Level (± peak)
- 25000 g