ER-QA-01B High Accuracy Quartz Accelerometer for Aerospace
Introduction
ER-QA-01B High-Accuracy Quartz Accelerometer for aerospace is specially used in inertial navigation system which has wide application in aerospace vehicles, inertial navigation system and control system of ships.
Specifications
No. | Parameter | ER-QA-01B2 | ER-QA-01B1 | Unit |
0 | Threshold/Resolution | 5 | 5 | μg |
1 | Bias | ≤3 | ≤3 | mg |
2 | Scale Factor | 1.1~1.5 | 1.1~1.5 | mA/g |
3 | Second-order Non-linearity | ≤20 | ≤30 | μg/g2 |
4 | Bias Temp Coefficient | ≤30 | ≤40 | μg/℃ |
5 | Scale Factor Temp Coefficient | ≤50 | ≤60 | ppm/℃ |
6 | Bias month Repeatability | ≤30 | ≤30 | μg |
7 | Scale Factor Repeatability | ≤30 | ≤30 | ppm |
8 | Second-order Non-linearity Repeatability | ≤10 | ≤10 | μg/g2 |
9 | Natural Frequency | ≤800 | ≤800 | Hz |
10 | Acceleration Range | ±20 | ±20 | g |
11 | Vibration | 8 | 8 | grms |
12 | Shock | 120g, 4.5ms, 1/2sin | ||
13 | Operating Temp | -40~+80 | -40~+80 | ℃ |
14 | Weight | ≤80 | ≤80 | g |
15 | Resolution | ≤5×10-6 | ≤5×10-6 | g |
16 | Operating Voltage | ±12~±15 | ±12~±15 | v |
Dimension
Application Techniques
1.Analysis of I/F Conversion Circuit of Quartz Accelerometer
2.How to Improve the Impact Resistance of Quartz Accelerometer
3.Study on the Stability of Quartz Accelerometer Head
4.What is the Quartz Accelerometer Digital Closed Loop Servo Circuit?
5.Calibration Method of Accelerometer
6.MEMS Accelerometer Installation Error Correction Method