What is the north finding accuracy?

FN-200 provides north finding accuracy of 1°secψ or 0.5°secψ (depending on configuration).

What is the power consumption?

FN-200 consumes ≤12W with 12VDC supply.

What are the dimensions?

FN-200 has dimensions of 200×100×90mm and weighs 2kg.

What applications is it suitable for?

FN-200 is designed for mining and surveying applications.

FN-200

Surveying North Finder

FN-200 Series

Name: FN-200 North Finder System
Brand: GUIDEON TECH
SKU: FN-200

High-Performance North Finder System

< 0.1° North Finding

< 5 min Alignment Time

±45° Tilt Compensation

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Specifications

North Finding Performance

Accuracy	1°secψ (A) / 0.5°secψ (B)
Azimuth Range	0° - 360°
Alignment Time	< 5 min
Tilt Compensation	±45° (roll/pitch)

Gyroscope

Type	Fiber Optic (FOG)
Bias	Three-axis FOG
ARW	< 0.002°/√h
Bandwidth	> 100 Hz

Interface

Communication	RS422
Output	Azimuth, Pitch, Roll
Voltage	12V DC

Mechanical

Dimensions	200×100×90 mm
Weight	2 kg
Mounting	Platform mount

Power

Supply Voltage	12V DC
Power	≤12W
Warm-up Time	< 15 min

Environmental

Operating Temp	-40°C to +70°C
Storage Temp	-40°C to +70°C
IP Rating	-

Overview

The FN-200 is a high-performance north finder system designed for tunnel boring machines, large-scale construction projects, and precision orientation applications. Using fiber optic gyroscope technology, it achieves north finding accuracy better than 0.1° with tilt compensation up to ±45°, enabling accurate orientation even when the instrument is not level.

Applications

Tunnel Boring

TBM navigation

Construction

Building orientation

Mining

Underground surveying