MD200
EN
OPERATING MANUAL
MAGNETOMETER
TRT-BA-MD200-HS-001-EN
Table of contents
01 Safety ..................................A-1
02 Intended use .............................A-1
03 Scope of delivery and overview ...............A-1
04 Introduction, theory of object detection .........A-2
05 Start-up and application ....................A-3
•The only party responsible for determining measured
results to be valid, drawing conclusions and deriving
actions is the user! The correctness of the results
presented is excluded from any liability or guarantee.
Liability for damages which have been caused by utilising the presented measured results is strictly excluded.
02 Intended use
06 Visual and acoustic object localization ..........A-5
07 Troubleshooting ...........................A-7
08 Cleaning, storage and transport ...............A-8
09 Technical data ............................A-8
The measuring device at hand was built according to
current state-of-the-art technology and fulfils valid
European and national directives. The conformity has been
demonstrated. The corresponding declarations and documents are kept on file by the manufacturer. To keep this
condition and ensure safe operation, as a user, you must
observe the following safety instructions!
01 Safety
We accept no liability for damages caused by nonobservance of this manual or unprofessional handling. Any
warranty claims are voided in such cases!
m Prior to using the MD200, this operating manual
is to be carefully read and observed in every
particular.
For reasons of safety and conformity (CE), any unauthorised
change made to the device construction or components
which are to be used with the measuring device are
prohibited!
The MD200 serves the purpose of detecting concealed
metal (ferromagnetic) objects. The device may only be used
for this intended use while complying with the specified
technical data! In addition the device detects live wires
with 50/60 Hz, visualized by the indication "50 Hz" on the
display. If a live wire is detected while searching an object,
the crossed lines will "disappear" from the "50 Hz" display.
This is to protect the user from health hazards. Moreover, no
live wire is to be damaged.
Attention! The device was not specifically designed for
locating live wires. Under certain conditions it may not be
able to detect these. The 50 Hz function is therefore only
intended for orientation and not the determination of valid
results!
03 Scope of delivery and overview
3.1 Scope of delivery
Consignment consisting of:
MD200 detector
•The MD200 is a solely ferromagnetic metal detector.
Objects made of other metals cannot be detected with
it. Note: You can use a magnet to check whether the
object is ferromagnetic! If the magnet attracts the
object, it is ferromagnetic. If the magnet does not
attract the object, then it is not ferromagnetic!
•Observe the storage and operating conditions!
•Never use the rod of the metal detector for digging!
•Remove all magnetic objects the device might react
to (e.g. steel-toed safety boots). These could affect the
measurement.
Devices with electromagnetic radiation, such as mobile
phones, might also influence a measurement.
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Operating manual – MD 200
EN
MD200 soft carrying case incl. 4 x AA batteries and
operating manual
3.2 Display and operating functions
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50 Hz
50 Hz
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3.3 Battery compartment
The battery compartment can easily be opened by use of a
coin or another pointed tool (screw driver, knife).
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The holder for 4x AA batteries can completely be removed
from the compartment. Hence, the batteries can be changed
unproblematically.
04 Introduction, theory of object detection
The MD200 locates ferromagnetic objects by detecting
their influence on the Earth's magnetic field. The sensor
rod comprises two "Fluxgate" sensors 1 continuously
measuring the Earth's magnetic field at a certain distance
and exact angle to one another. If the Earth's magnetic
field is undisturbed, the flux lines are running parallel
and both sensors measure the same signal. If there is a
ferromagnetic object 2 buried in the ground, this object
influences the Earth's magnetic field and deflects the
flux lines 3. This deflection is more apparent in the lower
Fluxgate sensor than in the upper one, which leads to a
deviation of the electrical signal and can be measured.
12
1
1
sensitivity
2
volume
3
battery status
4
calibration
5
+ key (Up) and Erase function
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numeric signal strength display
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display illumination
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"50 Hz" indication
9
graphic signal strength display
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menu selection and confirmation key
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- key (Down) and On/Off function
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speaker
EN A - 2
Operating manual – MD200
The bigger the object and the closer you are to it, the more
noticeable the deflection.
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2
3
05 Start-up and application
Menu selection
Described below are the keys and their function.
Switch-on
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50 Hz
briefly
To switch on the device, briefly press the Down key until the
display switches on.
Menu scrolling
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50 Hz
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50 Hz
briefly
Actuation of the "confirmation key" activates the selected
submenu. It will be displayed in black inverted.
Menu sensitivity adjustment
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or
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50 Hz
briefly
By briefly pressing the Up or Down key you can
scroll through the menu (the respectively
selected submenu will be edged in bold black).
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Operating manual – MD 200
briefly
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If the menu item "sensitivity" is activated (Sen black
inverted), you can adjust the sensitivity by briefly pressing
the Up or Down key.
Menu sensitivity confirmation
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50 Hz
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50 Hz
briefly
Pressing the "confirmation key" again confirms the
presently set sensitivity. The volume can be adjusted
analogous to the sensitivity!
EN
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