MAG-031 Specification Sheet

 

mag-031 image

 

MAG-031 - Precision 2-Axis Magnetometer System

 

The MAG-031A/MAG-023A are precision 2-Axis Flux-Gate Magnetometer Systems designed for use in high temperature and high shock and vibration environments for Dynamic Azimuthal scanning applications. When combined with MWD Survey information, the Magnetometer System can be used to accurately log sensor data Azimuthally whilst drilling.


The 2-Axis system consists of two single-axis Magnetometers, a Dual Channel Processing Board and a single Dual Channel Excitation Board. Specified for operation at a continuous temperature of 175°C, and a survival temperature of 185°C, the System operates from single +5V power supply with power consumption of less than 250mW.

 

 

     
     

Features

 

  • Easy implementation for Azimuthal scanning
  • Simple +5V power supply
  • Low power consumption
  • Robust sensor and electronics design
  • High Temperature qualified
  • Full calibration record provided
  • Small footprint
 



   
         
     

Description

Min

Typ

Max

Units

Comments

Sensor Performance

 

 

 

 

 

Measurement Range

 

+/- 0.7
(+/-70,000)

 

Gauss (nT)

 

Nominal Scale

 

1.9

 

V/Gauss

 

Scale Thermal Stability

 

+/-18

+/-30

ppm/°C

See note 1

Initial Bias

 

+/-0.5
(+/-50)

+/-1.0
(+/-100)

mGauss (nT)

Ambient Temperature
– see Note 1

Bias Thermal Stability

 

0.001
(0.1)

0.003
(0.3)

mGauss/°C
nT/°C

See note 1

Frequency Range

0

 

275

Hz

See note 4

Electrical

 

 

 

 

 

Power Supply

 

+5.0

 

Volts

 

Power Consumption

 

 

250

mWatts

See note 2

Mechanical

Length

Width

Height

 

 

Magnetometer Mag-031A

1.22 (31.0

1.22

(31.0)

0.394
(10.0)

Inches (mm)

 

Magnetometer Mag-023A

0.91
(23.0)

0.91
(23.0)

0.327
(8.3)

Inches (mm)

 

Dual Ch Processing Board Assy

3.75
(95.25)

0.785
(19.94)

0.25
(6.35)

Inches (mm)

Nominal – see note 3

Dual Ch Excitation Board Assy

3.75
(95.25)

0.785
(19.94)

0.25
(6.35)

Inches (mm)

Nominal – see note 3

Environmental

 

 

 

 

 

Operating Temperature

-25
-13

 

175
302

°C
°F

 

Survival Temperature

-25
-13

 

185
347

°C
°F

 

Vibration

 

 

30
20

g pk
g rms

Sine
Random

Shock

 

 

1000

g

0.5mS Half Sine

Notes

 

 

 

 

 

1. Specifications shown uncorrected.
2. All axis fully functional.
3. Electronics boards available with or without frames - dimensions shown include frame and connector.

Nominal dimensions for boards without frame and connector: 3.0”(L) x 0.6”(W) x (0.23”).
4. Frequency response: -3dB point

 

   
                         
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  Azimuth Oilfield
Systems Ltd.

Unit 12, Airways Industrial Estate, Pitmedden Road,
Dyce, Aberdeen,
AB21 0DT,
United Kingdom

T. +44 (0)1224 773635
F. +44 (0)1224 729988
E. info@azimuthmwd.com
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