Manufacturers' Specifications

Bruel & Kjaer 4505

Piezoelectric Charge Accelerometer - included with B&K 2537 Hand-arm Vibration

Charge sensitivity : 0.3 pC/ms^-2 or 3 pC/g ± 2 %   **
Voltage sensitivity : 0.28 mV/ms^-2 or 2.8 mV/g ± 2 %   **

Mounted resonance : 50 kHz
Frequency range - 5 % : 0.2 Hz to 8000 Hz
Frequency range - 10 % : 0.1 Hz to 16600 Hz if cable is clamped
Capacitance - typical : 1100 pF including AO 0038 cable

Max transverse sensitivity : < 5 %
Transverse resonance : 20 kHz

Piezoelectric material : PZ23
Construction : Theta shear

Typical temperature transient sensitivity : 1 ms^-2/°C
Typical magnetic sensitivity (50 Hz to 0.03T) : 12 ms^-2/tesla
Typical acoustic sensitivity (154 dB SPL) : 0.04 ms^-2

Minimum leakage resistance at 20 °C : 20 GΩ
Ambient temperature range : -54 °C to 230 °C
Maximum operational shock (± Peak) : 20 kms^-2
Maximum continuous sinusoidal acceleration (Peak) : 30 kms^-2

Electrical Connector : 10-32 UNF miniature coaxial connector - top entry

Mounting stud : 10-32 UNF, 4.5 mm long
Mounting torque : 1 Nm, max = 2 Nm, min = 0.5 Nm

Dimensions - body : 10 mm diameter
Dimensions - overall height : 14.5 mm including top entry connector, but excluding stud
Dimension - across base flats : 10 mm - spanner size

Weight : 4.5 gram Case Material : Titanium ASTM Grade 2
Recommended cable : AO 0038

**   Individual specifications given in the calibration chart