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 | -45~+80 | -45~+80 | -45~+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