4604 Series Accelerometer

The Model 4604 is a rugged, low-profile MEMS accelerometer designed for both static and dynamic applications.

4604 Series Accelerometer

Description: The Model 4604 is a rugged, low-profile MEMS accelerometer designed for both static and dynamic applications. The accelerometer is available in ranges from ±2 to ±500g and offers outstanding thermal performance. The internal circuitry of the model 4604 is hermetically sealed and incorporates an enhanced MEMS sensing element with integral over-range stops for high-g shock protection.

Features:

  • MEMS DC Response Accelerometer
  • High Sensitivity, Low Noise
  • ±2g to ±500g Dynamic Range
  • Robust Strain Relief and Cable
  • 8 to 36Vdc Excitation
  • -55° to 125°C Operating Range
  • Gas Damped MEMS Elements
Parameters
DYNAMIC Notes
Range (g) ±2 ±10 ±30 ±50 ±100 ±200 ±500
Sensitivity (mV/g) 1000 200 67 40 20 10 4 ±10%
Frequency Response (Hz) 0-200 0-400 0-800 0-1000 0-1500 0-1500 0-1500 ±5%1
Frequency Response (Hz) 0-400 0-600 0-1100 0-1600 0-2000 0-2000 0-2000 ±1dB
Natural Frequency (Hz) 700 1000 1500 4000 6000 8000 10000
Non-Linearity (%FSO) ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±1.0 ±1.0
Transverse Sensitivity (%) <2 <2 <2 <2 <2 <2 <2 <1 Typical
Damping Ratio 0.7 0.7 0.7 0.7 0.7 0.6 0.5
Shock Limit (g) 5000 5000 5000 5000 5000 5000 5000
Residual Noise (µV RMS) 500 300 350 400 400 400 400 Passband
Spectral Noise (µg/√Hz) 35 75 197 316 516 1033 2582 Passband
ELECTRICAL
Zero Acceleration Output (mV) ±50 Differential
Excitation Voltage (Vdc) 8 to 36
Excitation Current (mA) <5
Bias Voltage (Vdc) 2.5
Output Resistance (Ω) <100
Insulation Resistance (MΩ) >100 @100Vdc
Turn On Time (msec) <100
Ground Isolation Isolated from Mounting Surface
ENVIRONMENTAL
Thermal Zero Shift (%FSO/°C) ±0.008 Typical
Thermal Sensitivity Shift (%/°C) ±0.010 Typical
Operating Temperature (°C) -55 to 125
Compensated Temperature (°C) -40 to 100
Humidity (Active Element & Electronics) Hermetically Sealed
Humidity (Housing) Epoxy Sealed, IP62
PHYSICAL
Case Material Anodized Aluminum
Cable 4x, #26 AWG Conductors, PFA Insulated, Braided Shield, PFA Jacket
Weight (grams) 10
Mounting 2x #4 or M3 Screws
Mounting Torque 6 lb-in (0.7 N-m)

 

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