IF3900

IF3900-A

IF3900-B

Unit

System accuracy  

Pure inertial alignment accuracy  

North finding accuracy  

≤0.01°×secφ  

≤0.015°×secφ  

RMS  

Attitude accuracy  

≤0.002°  

≤0.005°  

RMS  

X`Pure inertia retention accuracy  

Heading angle  

≤0.01°  

≤0.015°  

RMS,1h

Attitude angle  

≤0.002°  

≤0.005°  

RMS,1h

Position

≤0.2nmile/h  

≤1nmile/h  

CEP50%

Velocity

≤0.1m/s  

≤0.5m/s  

RMS,1h

Inertial/satellite combination accuracy  

Course  

≤0.01°  

≤0.015°  

RMS

Attitude  

≤0.002°  

≤0.005°  

RMS

Position  

Single point positioning: ≤ 1.2m

RTK: ≤ 2cm+1ppm

Single point positioning: ≤ 2m

RTK: ≤ 2cm+1ppm

RMS

Velocity  

≤0.02m/s  

≤0.02m/s

RMS

Inertia/ODO/DVL combination accuracy  

Odometer/

DVL combination  

≤ 0.3% × D (D is the mileage, depending on DVL accuracy)  

Main device indicators  

Gyroscope  

Range  

±500  

±500

°/s  

Zero bias stability  

≤0.001  

≤0.003

°/h(GJB, 1σ)

Accelerometer

Range

±30  

±30  

g

Zero bias stability  

≤10  

≤20  

μg (GJB，1σ)

Physical characteristics  

Supply voltage  

28V  

Power waste  

≤35W  

working temperature  

-40℃~+60℃  

Protection level  

IP65  

Physical dimensions  

190×190×166mm  

Weight  

≤8.5kg  

Vibration  

Meet the vibration requirements of GJB150.16A-2009 and propeller aircraft equipment  

Shock

30g, 11ms, 1/2 sine wave  

Interface Characteristics  

Interface form  

1 RS232, 4 RS422, 1 CAN port, 1 Ethernet port, 1 USB port  

Data update rate  

Integrated navigation data: 1~800Hz (adjustable);  

GNSS data: 1-5 Hz  

transmission speed  

9600~921600bps (configurable)