ER-I/G is with high performance, small volume and it is used in inertial navigation system of small size.
No. Parameter Performance Indicators Unit
02 01
1 Bias ≤5 ≤10 mg
2 Scale Factor 0.8~1.2 0.8~1.2 mA/g
3 Second-order Nonlinearity ≤15 ≤30 μg/g 2
4 Bias Temp Coefficient ≤40 ≤60 Μg/℃
5 Scale Factor Temp Coefficient ≤80 ≤120 Ppm/℃
6 Bias Repeatability ≤50(one month) ≤100(One week) μg
7 Scale Factor Repeatability ≤50(one month) ≤100(One week) ppm
8 Second-order Nonlinearity Repeatability ≤20(one month) ≤30(One week) μg/g 2
9 Natural Frequency ≤800 ≤800 Hz
10 Acceleration Range ≥20 ≥20 g
11 Vibration 8 8 grms
12 Shock 120g,4.5ms,1/2sin 120g,4.5ms,1/2sin g, ms
13 Operating Temp -45~+80 -45~+80 ℃
14 Weight ≤25 ≤80 g
15 Resolution ≤5×10-5 ≤5×10-5 g
16 Operating Voltage ±12~± 15 ±12~± 15 v
