Low Dift Gyroscope Accelerometer Inertial Measurement Unit IMU

Parameter

Test conditions

Minimum value

Typical value

Maximum value

Unit

Gyroscope

Dynamic measuring range

500

2000

°/s

Zero bias stability

Allan variance, Z-axis

0.8

°/h

Allan variance, X and Y axis

1.6

°/h

10 s average (-40 ℃ ~ + 70 ℃, constant temperature),
Z-axis

3

°/h

10 s average (-40 ℃ ~ + 70 ℃, constant temperature),
X-axis and Y-axis

6

°/h

Zero bias

Zero-bias range, Z-axis

±0.07

°/s

Zero-bias range, X-axis and Y-axis

±0.2

°/s

Zero-bias change in full temperature range, Z-axis ①

±0.02

°/s

Zero Bias Change Over Temperature, X and Y
Axis ①

±0.06

°/s

Successive Start Repeatability, Z-axis

0.002

Successive Start Repeatability, X-Axis and Y-Axis

0.006

Day-by-day start repeatability, Z-axis

0.003

/s

Start repetition day by day, X axis and Y axis

0.009

°/s

Ffect of linear acceleration on bias

0.002

°/s/g

Influence of vibration on zero bias, change before and after vibration ②

0.002

°/s/g

Influence of vibration on zero bias, change before and during vibration ②

0.002

°/s/g

Scale factor

Scale factor accuracy, Z-axis

0.3

%

Scale Factor Accuracy, X and Y Axis

0.6

%

Scale factor nonlinearity, Z-axis

0.01

%FS

Scale Factor Nonlinearity, X and Y Axis

0.02

%FS

Angular random walk

0.15

°/ √hr

Noise density

0.001

°/s/ √Hz

Resolution

3.052×10-7

/s/LSB

Bandwidth

200

Hz

Accelerometer

Dynamic measuring range

16

200

g

Zero bias stability

Allan variance

0.06

mg

10 s average (-40 ℃ ~ + 70 ℃, constant temperature)

0.4

mg

Zero bias

Zero bias range

2

mg

Change of zero bias within the whole temperature range, peak-to-peak value ①

4

mg

Repeatability of successive starts

0.5

mg

Repeatability is initiated on a daily basis

0.8

mg

Zero-bias temperature coefficient

0.05

0.1

mg/℃