Accelerometers

4384A

Product Specifications

General Parameters
Type	Linear Accelerometers
Operating Principle	Closed‐loop servo, force balance
Size and Mounting	Per BEI PSSD drawing 961870
Weight	0.3 lb (4.8 ounces), maximum
Input Power	±15 ±0.75 Vdc at 500 milliwatts max
Electrical Connection	Per MIL‐C‐26482/G, Series 2
Sealing	Moisture‐exclusion seal
Range	±2 g
Scale Factor	3.75 ± 0.01875 VDC/g
Scale Factor vs. Temperature	<0.01%/ °F, maximum
Noise	7.5 millivolts RMS to 100 Hz
External Load	Calibrated with external 100K ohms ± 0.1% load (not supplied)
Dynamic Characteristics	‐45° phase shift at 10 Hz, minimum and ‐90° phase shift at 150 Hz, maximum
Alignment	± ½° Case to true‐sensitive axis
Self Test	Provision is included for external application of torquing current to torque at a scaling of 750 ± 5% µA/g
Operating Temperature	‐65 °F to +160 °F
Storage Temperature	‐65 °F to +200 °F
Shock Endurance	20 g, 11 milliseconds, any axis
Acceleration Endurance	50 g sustained, any axis
Hysteresis	0.02% of full range, maximum
Nonlinearity	0.02% of full range, maximum
Static Null (zero offset)	0.0036 g, maximum
Cross Coupling	0.002 g per g cross axis, with full scale applied to sensitive axis
Damping	Overshoot of 10% maximum at all temperatures
MTBF	20, 000 hours, minimum
Vibration Endurance	144, 000, 000 dither cycles, ± 5% of full scale, minimum
Operating Vibration	MIL‐E‐5400, curve IV to 500 Hz