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Sound and Vibration Instrument Hire and Calibration

B&K 4384 Accelerometer Specifications


Bruel & Kjaer 4384 Accelerometer
 
Bruel & Kjaer 4384 : Accelerometer £ 4 a day *
 

Piezoelectric charge accelerometer


Charge sensitivity : 1 pC/ms-2 or 9.8 pC/g ± 2 %   **
Voltage sensitivity : 0.8 mV/ms-2 or 8 mV/g ± 2 %   **
 
Mounted resonance : 42 kHz
Frequency range - 5 % : 0.2 Hz to 9100 Hz
Frequency range - 10 % : 0.1 Hz to 12600 Hz
 
Capacitance - typical : 1200 pF including supplied cable
 
Max transverse sensitivity : < 4 %
Transverse resonance : 15 kHz
Piezoelectric material : Pz23
 
Construction : Delta shear
 
Typical temperature transient sensitivity : 0.4 ms-2/°C
Typical magnetic sensitivity (50 Hz to 0.03T) : 4 ms-2/tesla
Typical acoustic sensitivity (154 dB SPL) : 0.01 ms-2
Minimum leakage resistance at 20 °C : 20 GΩ
Ambient temperature range : -74 °C to 250 °C
 
Maximum operational shock (Peak) : ± 200 kms-2
Maximum continuous sinusoidal acceleration (Peak) : 60 kms-2
Maximum acceleration (Peak) with mounting magnet : 1.5 kms-2
 
Electrical Connector : 10-32 UNF, miniature coaxial, top entry
 
Mounting thread : 10-32 UNF, 3.2 mm deep
Mounting torque : 1 Nm, max = 2 Nm, min = 0.5 Nm
 
Dimensions - body : 13.5 mm diameter
Dimensions - overall height : 19 mm excluding top connector
Dimension - across base flats : 14 mm - spanner size
 
Weight : 11 grams
 
Case Material : Titanium ASTM Grade 2
Recommended cable : AO 0038
 
**   Individual specification given in the calibration chart
 
E&OE - specifications subject to change without notice.