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
