ER-G1 Accelerometer

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