1.Product Features
1. Three-axis magnetoresistive sensor measures Earth's magnetic field. Biaxial tilt angle compensation.
2. High-speed and high-precision A / D conversion. The accuracy of magnetic field measurement is 100μGuass.
3. Employs temperature sensor to internally compensate for temperature-induced drift.
4. Embedded microprocessors calculate the angle between sensor and Magnetic North.Output is RS232 data format, also can choose RS485.
5. Provides simple and effective commands of Calibration for users.
6. Have the ability to calibrate zero-angle.
7. Waterproof and non-magnetic house.
8. Operating temperature is -40℃to+85℃. Storage temperature is -55℃to+100℃.
2. Product Application
FNN-3300 Digital Compass provides heading, pitch and roll output for navigation and guidance systems.
3. Specifications
1. Pitch and Roll
|
Response rate
|
1-10Hz ( regulable )
|
|
Range
|
±60°
|
|
Accuracy(<±30°)
|
±0.1°
|
|
Accuracy(±30° to±45°)
|
±0.2°
|
|
Resolution
|
±0.01°
|
|
Repeatability
|
±0.03°
|
2. Heading
|
Response rate
|
1-10Hz ( regulable )
|
|
Accuracy
|
±0.5°
|
|
Resolution
|
±0.2°
|
|
Repeatability
|
±0.4°
|
3. Other Parameters
|
Magnetic field measurement range
|
0.1Guass to 3Guass
|
|
Magnetic interference(Max)
|
20Guass
|
|
Supply Voltage
|
+12VDC
|
|
Current
|
60mA
|
|
Operating temperature
|
-40℃to+85℃
|
|
Storage temperature
|
-55℃to+100℃
|
|
Size(housed)
|
100×75×40 mm
|
|
Size(unhoused)
|
55×40 mm
|
4. Limits
|
Item
|
Min
|
Max
|
Units
|
|
Supply Voltage
|
+7
|
+18
|
V
|
|
Operating Temp
|
-50
|
+85
|
℃
|
5. FNN output is RS-232 data format, "9600, n, 8, 1." Each frames output 16 decimal numbers of 20 byte. Supply demonstration software with products
Serial output voltage is in accordance with SP232:
|
Item
|
Min
|
Normal
|
Max
|
Units
|
|
TXD
|
+5
|
+7
|
+15
|
V
|
|
RXD
|
+5
|
+7
|
+15
|
V
|
|
GND
|
0
|
0
|
0
|
V
|
