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Sound and Vibration Instrument Hire and Calibration

B&K 4393 Accelerometer Specifications


 
Bruel & Kjaer 4393 Accelerometer
 
Bruel & Kjaer 4393 : Accelerometer £ 4 a day *
 

Piezoelectric Charge Accelerometer


Charge sensitivity : 0.316 pC/ms-2 or 3.1 pC/g ± 2 %   **
Voltage sensitivity : 0.48 mV/ms-2 or 4.8 mV/g ± 2 %   **
 
Mounted resonance : 55 kHz
Frequency range - 5 % : 0.2 Hz to 12000 Hz
Frequency range - 10 % : 0.1 Hz to 16500 Hz
 
Capacitance - typical : 650 pF with supplied integral cable
 
Max transverse sensitivity : < 4 %
Transverse resonance : 18 kHz
 
Piezoelectric material : Pz23
Construction : Delta shear
 
Typical temperature transient sensitivity : 5 ms-2/°C
Typical magnetic sensitivity (50 Hz to 0.03T) : 30 ms-2/tesla
Typical acoustic sensitivity (154 dB SPL) : 0.04 ms-2
 
Minimum leakage resistance at 20 °C : 20 GΩ
Ambient temperature range : -74 °C to 250 °C
 
Maximum operational shock (Peak) : ± 250 kms-2
Maximum continuous sinusoidal acceleration (Peak) : 50 kms-2;
 
Electrical Connector : M3 subminiature coaxial connector - side entry, recommended clearance for integral plug 18 mm
 
Mounting thread : M3, 2.2 mm deep
Mounting torque : 1 Nm, max = 2 Nm, min = 0.5 Nm
 
Dimensions - body : 7.3 mm diameter
Dimensions - overall height : 11 mm
Dimension - across base flats : 7.5 mm - spanner size
 
Weight : 2.4 grams
Case Material : Titanium ASTM Grade 2
Recommended cable : AO 0038
 
**   Individual specifications given in the calibration chart
 
To see the accessories typically included in the above accelerometer sets - click here.
 
E&OE - specifications subject to change without notice.