ER-QA-01A Aerospace Quartz Accelerometer
Application
ER-QA-01A Aerospace Quartz Accelerometer with high precision is used in carrier's microgravity measuring system, inertial navigation system, static angle measurement system.
Features
High Precision
High Performance
Specifications
No. | Parameter | ER-QA-01A3 | ER-QA-01A2 | ER-QA-01A1 | Unit |
0 | Threshold/Resolution | 5 | 5 | 5 | μg |
1 | Bias | ≤1 | ≤3 | ≤3 | mg |
2 | Scale Factor | 1.1~1.5 | 1.1~1.5 | 1.1~1.5 | mA/g |
3 | Second-order Non-linearity | ≤10 | ≤10 | ≤15 | μg/g2 |
4 | Bias Temp Coefficient | ≤10 | ≤20 | ≤30 | μg/℃ |
5 | Scale Factor Temp Coefficient | ≤10 | ≤20 | ≤30 | ppm/℃ |
6 | Bias Repeatability | ≤10 | ≤20 | ≤30 | μg |
7 | Scale Factor Repeatability | ≤10 | ≤20 | ≤30 | ppm |
8 | Second-order Non-linearity Repeatability | ≤10 | ≤10 | ≤10 | μg/g2 |
9 | Natural Frequency | ≤800 | ≤800 | ≤800 | Hz |
10 | Acceleration Range | ±20 | ±20 | ±20 | g |
11 | Vibration | 8 | 8 | 8 | grms |
12 | Shock | 120g, 4.5ms, 1/2sin | |||
13 | Operating Temp | -40~+80 | -40~+80 | -40~+80 | ℃ |
14 | Weight | ≤80 | ≤80 | ≤80 | g |
15 | Resolution | ≤5×10 -6 | ≤5×10 -6 | ≤5×10 -6 | g |
16 | Operating Voltage | ±12~±15 | ±12~±15 | ±12~±15 | v |
Dimension
Application Techniques
1.Methods to Maintain the Long-Term Performance of Quartz Flexure Accelerometers
2.How to Improve the Impact Resistance of Quartz Accelerometer
3.Temperature Error Analysis of Quartz Accelerometer
4.What is the Quartz Accelerometer Digital Closed Loop Servo Circuit?
5.MEMS Accelerometer Installation Error Correction Method
6.MEMS Accelerometer Packaging Technology