MEMS North Seeker for Mining

ER-MNS-09(0.25°-1°):
1. Special-shaped design: adopts a cylindrical design (120mm x Φ30mm);
2. High precision pointing: with a north-seeking accuracy up to 0.25°secψ(1σ);
3. Low power consumption, MAX endurance.

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Introduction

ER-MNS-09 MEMS North Seeker for Mining

Introduction
With the rapid development of science and technology, MEMS North Seeker is increasingly widely used in the fields of oil and mining, injecting new vitality into this traditional industry. This is a high-performance product specially designed for oil drilling, mining and other fields. Based on three-axis integrated MEMS gyro and three-axis accelerometer, ER-MNS-09 north finder can complete the initial alignment, attitude holding functions, and real-time output of carrier attitude reference values.

Features
1) Special-shaped design: adopts a cylindrical design (120mm x Φ30mm);
2) High precision pointing: with a north-seeking accuracy up to 0.25°secψ (1σ);
3) Low power consumption, MAX endurance;
4) Self-alignment function;
5) Attitude tracking function;
6) RS-422 serial communication.

Applications
1) North seeking in logging tools/gyros;
2) Pointing, steering and steering of advanced mining/drilling equipment;
3) Initial alignment /drone launch system;
4) Satellite antenna direction indication and target tracking system;
5) Guidance and navigation of navigation-level MEMS systems;
6) Orientating and positioning of railway train systems;
7) Precision platform attitude measurement and control;
8) Navigation-grade MEMS INS high-precision attitude and position measurement;
9) North seeking positioning in land surveying/land mobile surveying and mapping systems.

Figure 1. ER-MNS-09 north seeker coordinate polarity definition (front view)

The coordinate axis definition of ER-MNS-09 north seeker is shown in Figure 1.

Specifications

Model No.	ER-MNS-09A/AH	ER-MNS-09B/BH	ER-MNS-09C
Performance objective	Parameter
Azimuth accuracy (1σ,°secψ)	1	0.5	0.25
Attitude accuracy(1σ,°)	≤0.2
Azimuth holding accuracy	20min
Attitude holding accuracy	20min
Azimuth measurement range(°)	0~360
Inclination angle measurement range(°)	-85~85
North seeking time	5min
North seeking method	static base
Update Rate (Hz)	100
Power and environment
Operating temperature (℃)	5~+55/5~125
Storage temperature (℃)	0~+65/0~130
Power supply (V)	6~12V
Power (W)	2
Communication interface	RS-422
Physical characteristics
Size (mm×mm)	120mm x Φ30mm
Weight (g)	≤150g