4630 Series Accelerometer

The Model 4630 is a low noise triaxial accelerometer offering both static and dynamic response.

4630 Series Accelerometer

Description: The Model 4630 is a low noise triaxial accelerometer offering both static and dynamic response. The piezoresistive accelerometer incorporates integral temperature compensation that provides a stable output over a wide operating range. The three independent circuit assemblies are hermetically sealed and can operate on common or separate power supplies. The advanced MEMS sensing elements are gas damped in order to provide a wide stable frequency response.

Features:
• MEMS Triaxial Accelerometer
• DC Response
• Accurate Temperature Compensation
• Low Noise, Signal Conditioned Output
• 10,000g Over-Range Protection
• Three Independent Circuits
• Low Current Consumption
• Ranges: ±2g to ±500g
• Low Transverse Sensitivity

Parameters
DYNAMIC Notes
Range (g) ±2 ±5 ±10 ±20 ±50 ±100 ±200 ±500
Sensitivity (mV/g) 1000 400 200 100 40 20 10 4 ±5%1
Frequency Response (Hz) 0-150 0-300 0-400 0-600 0-800 0-1000 0-1000 0-1200
Frequency Response (Hz) 0-400 0-500 0-600 0-1000 0-1400 0-1600 0-2000 0-2000 ±1dB
Natural Frequency (Hz) 700 800 1000 1500 4000 6000 8000 10000
Non-Linearity (%FSO) ±0.5 ±0.5 ±0.5 ±0.5 ±0.5 ±0.5 ±0.5 ±0.5
Transverse Sensitivity (%) <3 <3 <3 <3 <3 <3 <3 <3 <1 Typical
Damping Ratio 0.7 0.7 0.7 0.7 0.7 0.7 0.6 0.5
Shock Limit (g) 5000 5000 5000 5000 5000 5000 5000 5000
Residual Noise (µV RMS) 500 300 300 350 400 400 400 400 Passband
Spectral Noise (µg/√Hz) 35 38 75 132 316 516 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
Storage Temperature (°C) -55 to 125
PHYSICAL
Case Material Anodized Aluminum
Cable 15x #30 AWG Conductors PFA Insulated Leads, Braided Shield, TPE Jacket
Weight (grams) 40
Mounting 2x #4 or M3 Screws
Mounting Torque 6 lb-in (0.7 N-m)

 

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