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Sound and Vibration Instrument Hire and Calibration

B&K 4321 Triaxial Accelerometer


Bruel & Kjaer 4231 Acoustic Calibrator
 
Bruel & Kjaer 4321   Triaxial Charge Accelerometer £ 10 a day *
 
Features
 

Dynamic Characteristics


Charge sensitivity @ 159.2 Hz : 9.8 pC/g   **
Mounted resonance : 40 kHz
Amplitude Response ± 10 % : 0.1 Hz to 10000 Hz
Transverse Sensitivity : < 4 %
Transverse Resonance Frequency : 14 kHz
 

Electrical Characteristics


Minimum Leakage Resistance at 20 °C : 20 GΩ
Capacitance : 1200 pF
Grounding : single ground connected to case
 

Environmental Characteristics


Temperature Range : -74 to 250 °C
Humidity : sealed
Max. Sinusoidal Vibration (peak) : 500 g pk
Max. Operational Shock (± peak) : 1000 g pk
Base Strain Sensitivity : 0.002 Equiv. g/μ strain
Thermal Transient Sensitivity : 0.04 Equiv. g/°C
Magnetic Sensitivity (50 Hz-0.03 Tesla) : 0.4 g/T
 

Physical Characteristics


Dimensions (excluding cables) : 35 mm x 35 mm x 17 mm
Weight : 55 gram
Case Material: Titanium ASTM Gr.2
Connector : 10-32 UNF
Mounting : 10-32 UNF x 5 mm threaded hole/M4 screw
 
** Individual specifications given in the calibration chart
 
E&OE - specifications subject to change without notice.