ER-J4 Accelerometer

ER-J4
Application
Can be used in the navigation system of tanks and military vehicles.
No. Parameters Performance Indicators Units
EII ME
1 Bias d± 3 d± 3 mg
2 Scale Factor 1.0± 0.2 1.0± 0.2 mA/ g
3 Second-order Nonlinearity d± 20 d± 50 ¼ g/ g2
4 Bias Temp Coefficient d± 30 d± 50 ¼ g/ 
5 Scale Factor Temp Coefficient d± 30 d± 80 ppm/ 
6 Bias Repeatability d30 ( for 1 month) d50 ( for 1week) ¼ g
7 Scale Factor Repeatability d30( for 1 month) d50( for 1 week) ppm
8 Second-order Nonlinearity Repeatability d10( for 1 month) d20( for 1 week ) ¼ g/ g2
9 Natural Frequency d800 d800 Hz
10 Acceleration Range e± 20 e± 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 d5× 10-5 d5× 10-5 g
15 Weight d30 d30 g
Features: High precision, Large measurement range.