sewerin FerroTec FT 10 Manuel utilisateur
20.04.2016 a – 107340 – en
FerroTec FT 10
Operating instructions
Structure
Fig. 1: FerroTec FT 10 – Handle as seen from above (top left), handle as seen
from below (bottom left), side view (right)
Display
Sensor area
Arrow-up key
Arrow-down key
Zero point key
Menu key
ON/OFF key
Handle
Pipe
Charging socket
Loudspeaker
Display
Symbols in the symbol areas
Symbol Signicance
Loudspeaker Loudspeaker on
Loudspeaker off
Battery Battery full
Battery at
Sensitivity display Highest sensitivity
Lowest sensitivity
Alternating eld Warning of live cables
Sensitivity boost BSensitivity boost enabled
Fig. 2: Display with aiming circle view
Fig. 3: Display with bar view
Symbol area
Current locating value
Current locating intensity (bar)
Symbol area
Current locating intensity
(aiming circle)
Strength of alternating eld (bar)
Symbol area
Current locating value
Symbol area
Information about this document
The warnings and notes in the document mean the following:
WARNING!
Risk of damage to property.
Note:
Tips and important information.
Enumerated lists (numbers, letters) are used for:
● instructions that must be followed in a specic sequence
Bullet lists (bullet points, dashes) are used for:
●lists
●instructions comprising only one action
I
Contents Page
1 Introduction .............................................................................1
2 Notes on handling the product ..............................................2
2.1 Warranty....................................................................................2
2.2 Intended use .............................................................................2
2.3 General safety information ........................................................3
3 Product description ................................................................4
3.1 Setup.........................................................................................4
3.2 Power supply.............................................................................4
3.3 Operating mode ........................................................................4
3.4 Playing back signals..................................................................5
3.4.1 Display on the screen.............................................................5
3.4.2 Audible ...................................................................................6
3.5 Alternating eld display (warning of live cables) .......................6
3.6 Sensitivity ..................................................................................6
3.7 Zero point ..................................................................................7
3.8 Automatic power off...................................................................8
3.9 Display backlight .......................................................................8
4 Locating objects......................................................................9
4.1 Handling the magnetometer during location ............................9
4.2 Signals dependent on the position and size of an object ........10
4.3 Factors inuencing the location results ...................................12
4.3.1 Size of an object...................................................................12
4.3.2 Sources of interference ........................................................14
5 Operation ...............................................................................15
5.1 Switching the magnetometer on and off..................................15
5.2 Changing the sensitivity ..........................................................17
5.3 Setting the zero point ..............................................................17
5.4 Listening to the audible signal (beep) .....................................18
5.4.1 In hold mode ........................................................................18
5.4.2 In toggle mode .....................................................................18
5.5 Settings ...................................................................................19
5.5.1 SETUP menu .......................................................................19
5.5.2 Changing settings ................................................................19
II
Contents Page
6 Maintenance ..........................................................................21
6.1 Charging the batteries.............................................................21
6.2 Care ........................................................................................22
6.3 Servicing .................................................................................22
6.4 Solving problems.....................................................................23
6.4.1 Troubleshooting....................................................................23
6.4.2 Error messages....................................................................24
7 Appendix................................................................................25
7.1 Technical data .........................................................................25
7.2 Factory default settings ...........................................................27
7.3 EU declaration of conformity ...................................................27
7.4 Advice on disposal ..................................................................27
8 Index.......................................................................................28
1
1 Introduction
1 Introduction
The FerroTec FT 10 is a magnetometer used to locate concealed
ferromagnetic objects (steel, iron, cast iron).
There are two sensors in the magnetometer. These respond to
changes in the earth’s magnetic eld caused by ferromagnetic
materials.
Changes to the earth’s magnetic eld only reach full strength
days or even weeks after the object’s last movement. That is why
objects which have been in the ground for a long time are easier
to locate than objects that have been placed on the ground, for
example, for a trial detection.
Non-ferrous metals do not interfere with the detection process as
they are not ferromagnetic.
The magnetometer warns of live cables with a symbol on the
display.
Fig. 4: Magnetic eld lines of an object in the ground (cross section).
The two sensors (A and B) record different magnetic eld lines
(signals). The magnetometer locates the object based on the
signal difference.
2
2 Notes on handling the product
2 Notes on handling the product
2.1 Warranty
The following instructions must be complied with in order for any
warranty to be applicable regarding functionality and safe oper-
ation of this equipment.
●Read these operating instructions prior to operating the prod-
uct.
●Use the product only as intended.
●Repairs and maintenance must only be carried out by special-
ist technicians or other suitably trained personnel. Only spare
parts approved by Hermann Sewerin GmbH may be used
when performing repairs.
● Changes or modications to this product may only be carried
out with the approval of Hermann Sewerin GmbH.
●
Use only Hermann Sewerin GmbH accessories for the product.
Hermann Sewerin GmbH shall not be liable for damages re-
sulting from the non-observance of this information. The war-
ranty conditions of the General Terms and Conditions (AGB) of
Hermann Sewerin GmbH are not broadened by this information.
In addition to the warnings and other information in these Oper-
ating Instructions, always observe the generally applicable safety
and accident prevention regulations.
The manufacturer reserves the right to make technical changes.
2.2 Intended use
The FerroTec FT 10 can be used to locate ferromagnetic objects
(steel, iron, cast iron). In particular, the magnetometer is intended
for locating sliding rods, manhole covers, metal pit covers, pave-
ment markers and magnetic markers.
3
2 Notes on handling the product
2.3 General safety information
This product was manufactured in keeping with all binding legal
and safety regulations. It corresponds to the state-of-the-art and
conforms to EC requirements. The product is safe to operate
when used in accordance with the instructions provided.
However, if you handle the product improperly or not as intended,
the product may present a risk to persons and property. For this
reason, always observe the following safety information.
Risk of personal injury (health risk)
●
Handle the magnetometer carefully and safely both during
transport and when working. The pipe in particular could cause
harm to yourself or others.
●Proceed with extreme caution in the vicinity of electrical lines.
Hazards for the product and other property
●
Always handle the magnetometer with care. Only use the mag-
netometer as intended.
●Do not drop the magnetometer. Always set the magnetometer
down carefully.
●Do not lean on the magnetometer.
●Do not immerse the magnetometer pipe more than 610 mm
deep in liquids.
4
3 Product description
3 Product description
3.1 Setup
For overviews including all part names for the FerroTec FT 10 ,
see the front cover ap (Fig. 1).
3.2 Power supply
The product is powered by special inbuilt NiMH rechargeable
batteries. Only SEWERIN service personnel or other authorised
specialists may replace the rechargeable batteries.
For information on charging the batteries see section 6.1 on
page 21.
3.3 Operating mode
The operating mode determines how the sensor area operates.
Note:
The selected operating mode only affects the switching on and
off of the beep.
You can choose between two operating modes.
●Hold mode
Place your thumb on the sensor area to listen. When you re-
move your thumb from the sensor area, the beep goes off.
●Toggle mode
To listen, briey press the sensor area with your thumb. If you
briey touch the sensor area with your thumb again, the beep
will switch off.
The operating mode is set in the menu under MODE.Informa-
tion about changing the setting can be found in section 5.5.2 on
page 19.
Information about how to enable the audible signals in both oper-
ating modes can be found in section 5.4 on page 18.
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