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Application
ER-I/A can be used in the vector’s microgravity measurement system, high-precision inertial
navigation system and high-precision static angle measurement system.
No. | Parameter | Performance Indicators | Unit | ||
03 | 02 | 01 | |||
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 Nonlinearity | ≤10 | ≤10 | ≤15 | μg/g 2 |
4 | Bias Temp Coefficient | ≤10 | ≤20 | ≤30 | Μg/℃ |
5 | Scale Factor Temp Coefficient | ≤10 | ≤20 | ≤30 | Ppm/℃ |
6 | Bias month Repeatability | ≤10 | ≤20 | ≤30 | μg |
7 | Scale Factor Repeatability | ≤10 | ≤20 | ≤30 | ppm |
8 | Second-order Nonlinearity Repeatability | ≤10 | ≤10 | ≤10 | μg/g 2 |
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 | 120g,4.5ms,1/2sin | 120g,4.5ms,1/2sin | g, ms |
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 |