TYPE 4383

High Sensitivity Charge Accelerometer

Type 4383 is a piezoelectric accelerometer with side connector, designed specifically for general purpose, high sensitivity vibration measurements.

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High Sensitivity Charge Accelerometer Type 4383 is a piezoelectric, DeltaShear®, Unigain® accelerometer with side connector. The accelerometer features 10 – 32 UNF receptacle for output connection, and can be mounted on the object by means of a 10 – 32 UNF threaded steel stud.

USE SCENARIOS

  • General purpose
  • High sensitivity
  • Low-level, low-frequency measurement
  • Vibration testing and analysis

CHARACTERISTICS

Type 4384 may be treated as a charge source, and it's sensitivity is expressed in terms of charge per unit acceleration (pC/g).

The DeltaShear design involves three piezoelectric elements and three masses arranged in a triangular configuration around a triangular centre post. The ring pre-stresses 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 is a PZ 23 lead zirconate titanate element. The housing material is titanium.

CALIBRATION

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%.

Freq. range
0.1 – 8400 Hz
Temperature
-74 – 250 ℃
Weight
17 gram
Sensitivity
3.16 pC/ms^-2
Residual Noise Level in Spec Freq Range (rms) ±
0.06 mg
Maximum Operational Level (peak)
2000 g
Connector
10-32 UNF
Mounting
Stud
Accessory Included
AO 0038
Clip/Stud/Screw included
YQ 2960
Output
Charge-PE
Unigain
Yes
Triaxial
No
TEDS
No
Applications
General Purpose, Vibration Test
Unit
pC
Resonance frequency
28 kHz
Maximum Shock Level (± peak)
5000 g