AI-Q-2120 Navigation-Grade Performance Accelerometer

Quartz Pendulous Accelerometers for Industrial Systems

InnaLabs® Commercial Grade Accelerometers deliver true navigational grade performance. With a low measurement range of ±15g and excellent stability and long-term repeatability, the AI-Q-2120 is an optimal solution for high-accuracy commercial inertial measurement units and demanding applications.

Performance Statistics

  • Input Range +/- 15 g
  • One-year Repeatability <600 ppm
  • Temperature Sensitivity <180 ppm/°C

High-Performance Sensor

The  AI-Q-2120 is built with InnaLabs® Quartz Flexure technology to deliver true navigational grade performance. With a low measurement range of ±15g and excellent stability and long-term repeatability, the AI-Q-2120 is an optimal solution for high-accuracy commercial Inertial Measurement Units and other demanding applications.   

Key Features

  • Navigation grade performance (<220μg and 500ppm (one-year repeatability)
  • ±15g Max Measurement Range
  • Analogue current output

 

Category:

Description

Units Values
Performance
Input Range g ±15
Bias mg ≤4
One-year Composite Repeatability µg ≤220
Temperature Sensitivity µg/°C ≤30
Scale Factor mA/g 1.2 to 1.46
One-year Composite Repeatability ppm ≤500
Temperature Sensitivity ppm/°C ≤180
Axis Misalignment µrad ≤2,000
One-year Composite Repeatability µrad ≤100
Vibration Rectification µg/g2 RMS ≤40 (50-500 Hz)

≤60 (500 – 2,000 Hz)

Intrinsic Noise µg RMS ≤7 (0.1-10 Hz)
≤70 (10-500 Hz)
≤1500 (1,500-10,000 Hz)
Environment
Operating Temperature °C -55 to +95
Shock (survival) g 250
Vibration Peak Sine g, Hz 15g @ 20 to 2,000 Hz
Resolution/Threshold µg ≤1
Bandwidth Hz

≥ 300

Temperature Model
Yes
Electrical 
Quiescent Current per Supply mA <5 mA (-15V) & <10 mA (+15V)
Quiescent Power @±15VDC mW ≤250
Input Voltage VDC ±13 to ±28
Physical 
Weight g 79.4 ±4
Diameter mm Ø 25.45 Max
Height mm 15.85 Max
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