Manufacturers' Specifications
Bruel & Kjaer 4384 : Accelerometer

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.

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