ER-G1 Accelerometer

ER-G1
Application
Can be used in the vector’s microgravity measurement system and high precision
intertial navigation system, and also can be used in the high precision static angle
measurement system.
No. Parameters Performance Indicators Units
EI EII
1 Bias ≤±3 ≤±3 mg
2 Scale Factor 1.1~1.5 1.1~1.5 mA/g
3 Second-order Nonlinearity ≤±15 ≤±15 μg/g2
4 Bias Temp Coefficient ≤±20 ≤±20 μg/℃
5 Scale Factor Temp Coefficient ≤±30 ≤±30 ppm/℃
6 Bias Repeatability ≤20(three months) ≤20(1 month) μg
7 Scale Factor Repeatability ≤20(three months) ≤20(1 month) ppm
8 Second-order Nonlinearity Repeatability ≤10(three months) ≤10(1 month) μg/g2
9 Natural Frequency ≤800 ≤800 Hz
10 Acceleration Range ≥±20 ≥±20 g
11 Vibration 5g(20~2000Hz) 5g(20~2000Hz) g, Hz
12 Shock 120g,4.5ms,1/2sin 120g,4.5ms,1/2sin g, ms
13 Operating Voltage ±12~±15 ±12~±15 V
14 Operating Temp -40~+125 -40~+125 ℃
15 Resolution ≤5×10-6 ≤5×10-6 g
16 Weight ≤80 ≤80 g