ER-J3 Accelerometer

No.

Parameter

Performance Indicators

Units

EII

ME

M

1

Bias

≤±6

≤±6

≤±6

mg

2

Scale Factor

1.2±0.2

1.2±0.2

1.2±0.2

mA/g

3

Second-order Nonlinearity

≤±30

≤±40

≤±50

μg/g²

4

Bias Temp Coefficient

≤±30

≤±40

≤±50

μg/℃

5

Scale Factor Temp Coefficient

≤±60

≤±70

≤±80

ppm/℃

6

Bias Repeatability

≤50(for 1 month)

≤50(for 3~7 days)

≤50(day stability)

μg

7

Scale Factor Repeatability

≤50(for 1 month)

≤50(for 3~7 days)

≤50(day stability)

ppm

8

Second-order Nonlinearity Repeatability

≤30(for 1 month)

≤30(for 3~7 days)

≤30(day stability)

μg/g²

9

Natural Frequency

≤800

≤800

≤800

Hz

10

Acceleration Range

≥±20

≥±20

≥±20

g

11

Vibration

5g(20~2000Hz)

5g(20~2000Hz)

5g(20~2000Hz)

g, Hz

12

Shock

120g,4.5ms,1/2sin

120g,4.5ms,1/2sin

120g,4.5ms,1/2sin

g, ms

13

Operating Temp

-40~+125

-40~+125

-40~+125

℃

14

Weight

≤40

≤40

≤40

g