ER-J2 Accelerometer

No.

Parameters

Performance Indicators

Units

EII

ME

1

Bias

≤±6

≤±6

mg

2

Scale Factor

1.1~1.5

1.1~1.5

mA/g

3

Second-order Nonlinearity

≤±30

≤±40

μg/g²

4

Bias Temp Coefficient

≤±30

≤±50

μg/℃

5

Scale Factor Temp Coefficient

≤±60

≤±70

ppm/℃

6

Bias Repeatability

≤30 (for 1 month)

≤30 (for 3~7 days)

μg

7

Scale Factor Repeatability

≤60(for 1 month)

≤60(for 3~7 days)

ppm

8

Second-order Nonlinearity Repeatability

≤20(for 1 month)

≤20(for 3~7 days)

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 Temp

-45~+125

-45~+125

℃

14

Resolution

≤5×10^-6

≤5×10^-6

g

15

Weight

≤80

≤80

g