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Weak Magnetic Field Measurement System

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Weak Magnetic Field measurement System

Introduction

The weak magnetic field measurement system is mainly composed of data acquisition box (up to 5 CAN interface data acquisition modules can be integrated inside), magnetic sensor, host computer software, etc. The whole system adopts 24V power supply and communicates with PC based on CAN bus and USB, which can realize the synchronous acquisition of magnetic field data in the area to be measured.

Features

Reliable communication and strong anti-interference ability

Application

A multi node weak magnetic field test system can be formed

Technical Parameters

Item

Index

Parameters

Performance   Index of Fluxgate Sensor

Axis

3

Measuring   Range

±70μT / ±100μT / ±250uT

Orthogonality

≤±0.1°

Linearity

≤0.01%FS

Noise

≤6pTrms/√HZ@1Hz(relevant with measuring range)

Bandwidth

DC10Hz

Size

30×30×120mm

Waterproof   Grade

IP68

Temperature

4080

Data   Acquisition Box

Number of channels

315Determined with data acquisition module

AD Conversion

24 bit

Sampling Rate

200HzCAN

Maximum 50KHzNI9239

Communication Mode

CAN bus/USB   communication

Working Voltage

24VDC

Power Consumption

20W

Size

Customizable