Low Cost 3 Axis FOG North Seeker

ER-FNS-03 (0.5°-1°):
1. Low cost FOG north seeking solution;
2. Specially suitable for mining application;
3. 3-axis FOG & 3-axis accelerometer.

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Introduction

ER-FNS-03 Low Cost 3 Axis FOG North Seeker

Introduction
ER-FNS-03 Low Cost 3 Axis FOG North Seeker adopts closed-loop fiber optic gyroscope as the core component. It is mainly composed of inertial measurement unit (IMU), digital signal processing unit and the organizations of the mechanical parts. It can provide the carrier with true north azimuth angle.

Applications
Mining
Pointing, steering and guiding in advanced mining/drilling equipment
Petroleum exploration
North seeking in logging tools/gyro tools
Initial alignment/UAV launch systems
North finding in land surveying/land mobile mapping system

Specifications

Model	ER-FNS-03A	ER-FNS-03B
North seeking precision (1σ)	1 secψ	0.5 secψ
Working latitude	65°N~65°S
Attitude accuracy(1σ)	0.03°
Holding	20min
Heading measurement range	0°~ 360°
Roll pitch measurement range	-65°~ 65°
North seeking time	3min
North seeking method	static
Update rate	20 Hz
Power and environment
Operating temperature	5℃~+55℃
Power supply	12 V
Current	1 A
Communication interface	RS-422
Physical characteristics
Size (mm×mm×mm)	200×100×90
Weight	2.0Kg