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Application
ER-I/A can be used in the vector’s microgravity measurement system, high-precision inertial
navigation system and high-precision static angle measurement system.
|
No. |
Parameter |
Performance Indicators |
Unit |
||
|
03 |
02 |
01 |
|||
|
1 |
Bias |
≤1 |
≤3 |
≤3 |
mg |
|
2 |
Scale Factor |
1.1~1.5 |
1.1~1.5 |
1.1~1.5 |
mA/g |
|
3 |
Second-order Nonlinearity |
≤10 |
≤10 |
≤15 |
μg/g 2 |
|
4 |
Bias Temp Coefficient |
≤10 |
≤20 |
≤30 |
Μg/℃ |
|
5 |
Scale Factor Temp Coefficient |
≤10 |
≤20 |
≤30 |
Ppm/℃ |
|
6 |
Bias month Repeatability |
≤10 |
≤20 |
≤30 |
μg |
|
7 |
Scale Factor Repeatability |
≤10 |
≤20 |
≤30 |
ppm |
|
8 |
Second-order Nonlinearity Repeatability |
≤10 |
≤10 |
≤10 |
μg/g 2 |
|
9 |
Natural Frequency |
≤800 |
≤800 |
≤800 |
Hz |
|
10 |
Acceleration Range |
≥20 |
≥20 |
≥20 |
g |
|
11 |
Vibration |
8 |
8 |
8 |
grms |
|
12 |
Shock |
120g,4.5ms,1/2sin |
120g,4.5ms,1/2sin |
120g,4.5ms,1/2sin |
g, ms |
|
13 |
Operating Temp |
-45~+80 |
-45~+80 |
-45~+80 |
℃ |
|
14 |
Weight |
≤80 |
≤80 |
≤80 |
g |
|
15 |
Resolution |
≤5×10 -6 |
≤5×10 -6 |
≤5×10 -6 |
g |
|
16 |
Operating Voltage |
±12~ ± 15 |
±12~± 15 |
±12~± 15 |
v |