Sound and Vibration Instrument Hire and Calibration

Bruel & Kjaer 4393 Accelerometer Specifications

B&K 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.
* Our standard hire charges are based on a 4-day minimum period, details other options.