3803A Series Accelerometer

The Model 3803A is a triaxial piezoresistive MEMS accelerometer in a rugged welded hermetic package.

3803A Series Accelerometer

Description: The Model 3803A is a triaxial piezoresistive MEMS accelerometer in a rugged welded hermetic package. The accelerometer incorporates mechanical stops for over-range protection up to greater than 5,000g. The model 3803A is offered in ranges from ±2 to ±2000g and is gas damped to provide a wide frequency response.

Features:

  • Triaxial DC Accelerometer
  • Gas Damped, mV Output
  • ±2g to ±2000g Dynamic Range
  • Rugged Stainless Steel
  • Wide Bandwidth to >4kHz
  • -40° to 105°C Operating Range
  • 5000g Over-Range Protection
Parameters
DYNAMIC Notes
Range (g) ±2 ±10 ±20 ±50 ±100 ±200 ±500 ±2000
Sensitivity (mV/g) 12 6 3 1.5 0.7 0.7 0.3 0.1 @10Vdc Exc
Frequency Response (Hz), Z Axis 0-100 0-300 0-400 0-800 0-1200 0-1300 0-1800 0-4000 ±5% 1
Frequency Response (Hz), X & Y Axis 0-100 0-300 0-400 0-600 0-700 0-800 0-1100 0-2500 ±1dB
Natural Frequency (Hz) 300 500 1000 3000 5000 6000 7000 10000
Non-Linearity (%FSO) ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±1.0
Transverse Sensitivity (%) <3 <3 <3 <3 <3 <3 <3 <3
Damping Ratio 0.6 0.6 0.6 0.5 0.5 0.5 0.5 0.3
Shock Limit (g) 2000 2000 2000 5000 5000 5000 5000 5000
ELECTRICAL
Zero Acceleration Output (mV) ±25 Differential
Excitation Voltage (Vdc) 5 to 10
Input Resistance (Ω) 4000 to 10000
Output Resistance (Ω) 2400 to 6000
Insulation Resistance (MΩ) >100 @100Vdc
Residual Noise (µV RMS) 10 Maximum
Ground Isolation Isolated from Mounting Surface
ENVIRONMENTAL
Thermal Zero Shift (%FSO/°C) ±0.04
Thermal Sensitivity Shift (%/°C) ±0.05
Operating Temperature (°C) -40 to 105
Compensated Temperature (°C) -20 to 85
Storage Temperature (°C) -40 to 105
Humidity Environmentally Sealed, IP65
PHYSICAL
Case Material Stainless Steel
Weight (grams) 65
Mounting 2x #4 or M3 Screws, or #10-32 to #10-32 Mounting Stud
Mounting Torque 18 lb-in (2 N-m)

 

No Information Available.

No Information Available.