Small Size Detect Electrical Wires In Walls , Wall Scanner Cable &
Metal Detector
Start-up
Inserting/Replacing the battery
Alkali- manganese batteries are recommended for the measuring tool.
Press the latch of battery lid in the direction of the arrow and
open the battery lid.Insert the supplied battery and make sure that
the polarity is correct.
You should replace the battery when the battery indicator indicates
.
If the tooI is not used for a long period of time,the battery must
be removed.
Scanning
Put the tool on the surface of the object,and always move the tool
in a straight line(as shown in the picture below) after choose the
correct detect operating mode.
When the tool is on the surface of the object,the illuminated ring
lights up green and signals operational readiness.
Measuring indicator i indicates the maximal amplitude above the
centre of the object ; illuminate ring 1 lights up red and an audio
signal sounds.For small and deeply embedded objects, ring 1 can
continue to light up yellow, while there is no audio signal. To
localise the object more precise,move the measuring tool repeatedly
(3X) back and forth.
The fine scale j is automatically activated in wall operating
modes. Fine scale j indicated in all amplitude when the object is
below the center of the sensor or when the maxi-mum amplitude of
measuring indicator i is reached. The indication"CENTER" k lights
up additionally.
Wide objects in the base material are detected through a
continuous, high amplitude of measuring indicators i and j. Ring1
lights up yellow.The duration of the high amplitude corresponds
approximately with object width.
When very small or deeply embedded objects are being sought and
measuring tooI repeatedly over the object in horizontal and
vertical direction.Pay attention to the amplitude of fine scale
j,additionally to the "CENTER k indication,which will then allow
for precise detection.
When you drill hole on the wall, sawing or milling cut before,you
must be through other sources of information,completes the
protective measures to prevent the danger.Because the composition
of the measurement results will be affected by environmental
factors and the impact of the wall.Even if the instrument does not
show any hidden objects within the
detection range,(The instrument does not sound signal and ring 1
light up green light),still could be dangerous.
Technical Data
| Multi-functional wall detector MD120 |
| Maximum probing depth |
| Magnetic metal 120mm |
| Non-Magnetic metal 80mm |
| Charged wire 11O 230volts(in the pass through) 50mm |
| Wood 38mm |
| Switch off instrument with inactivity after 5mins |
| Operation temperature -10C~+ 509C |
| Storage temperature -20C~+70C |
| Battery type 1x9 volts 6L .R61 |
| Operation time about 5 hours |
| Weight conform to EPTA-Procedure 01/2003 270g |
| Protection class IP54 |
Some unfavorable factors during the detection will affect thedetect
accuracy,such as the follwing:
- Environmental factor
Including e.g., the proximity of other equipment that producestrong
magnetic or electronmagnetic fields,moisture ,metallicbuilding
materials,foil-laminated insulation materials orconductive
wallpaper or tiles.
- Material and size of the objects.
- Material and condition of the base material.
- Operation mode selection is not accurate.
Therefore,please also observe other information
sources(e.g.construction plans) before drilling,sawing or routing
into walls,ceilings or floors.
* Less scanning depth for wires while the conductors are not "live"
.
Detection model
There are three type detect this product available:
multi-functional wall detector model,metal model,charged wire
model.Different detection requirements need to choose a different
way.Select "metal" model,can reach a maximum depth of detection of
metal. Select "Charged wire model "achieve the maximum depth of
detection of charged wires.
Product indication lamp(See diagram label product mark number 5)
can display the currently selected detection mode.
Multi-functional wall detector model
Multi-function wall detecotor can detect the following items
inwater wall:
- 
Magnetic metal,
- 
Non-metal,for example beam,plastic pipe full of water,
- 
Non-magnetic metal,for example copper pipe, Charged objects ,for
example electric wire.
Press on 
button,ring 1 and the indication 5 ( above)light up green,and multi-functional wall detector model to be
activated.
The detectors will be preferred to detect metal objects,nail sand
screws in the base material may cause a wooden beam to be indicated
as a metal object on the display.When display4 indicates a
continuously high amplitude of measuring indicator i and fine scale
j,restart the measuring procedure again by positioning the
measuring tool at different location on the base material.
In rare cases ,the measuring tool is not able to detect the base
material may because the side with the sensor area 13and the type
plate 14 is solid or dirty.Just clean the measuring tool with a
dry,soft cloth and restart the measuring procedure.
Metal model
Through the Metal model can detect the magnetic metal and
non-magnetic metal.Press on 
button ring 1 and indication 5lights up green(Above the button ),Metal model activation.On display ,Indicate the detected magnetic metal(e,g. iron)On display ,Indicate the detected magnetic non-magnetic metal.Note:For
reinforcement steel mesh and steel in the examined base
material,scale figure "i" will show all scale. To distinguish the
type of metal,detectors must be found at thetop of the metal
objects(ring 1 is lit red).
Note:For reinforcement steel mesh and steel in the examinedbase
material,an amplitude is indicated i.For reinforcementsteel mesh,it
is typical that the symbol for magnetic metal is indicated on the display directly above the
iron rods,whereas between the iron rods,the symbol d for
non-magneticmetal will appear.
Charged wire model model
The operation mode "charged wire model"is suitable only
fordetecting"live"conductors110-230V
Press on 
button,ring 1 and indication 5 lights up green(Abovethe button )when a"live"conductor is detected,indication appears on the display.
Because of detection the signal strength will be affected by
theposition of the wire,move the measuring tool repeatedly over
thearea to localise the "live"conductor several times. lt can be
indicated very accurately.When the measuring tool is very closeto
the conductor,the iluminated ring 1 flashes red and the audiosignal
beeps swiftly.
"Live"conductors can be detected easier when power consumersare
connected to the sought conductor and switch on.
Under certain condition(such as below metal surfaces or
behindsurfaces with high water content),"live' conductors cannot
besecurely detected.
Static electricity can lead to inaccurate indication of electric
lines,for example ,over a large range. To inprove the
indication,placeyour free hand flat on the wall next to the
measuring tool,in orderto remove the static electricity.
*Because in the process of construction,electricity is one of the
most dangerous factors ,security considerations,the three type in
thedetection process, will give priority to charged wire.
Working advice
Marking objects
If required ,detected objects can be marked.
Mark button
Put the provided chalk into the Mark button.Put the mark buttonon
the instrument.
Once you have found the boundaries or the centre of an object,press
the mark button to mark the sought location. lf you don'twant to
use the mark button,you can take it out and use the peno mark the
location.
Temperature ControlThe measuring tool is equipped with a temperature control
Iindicator
When the temperature control indicator lights up,the measuringtool
is not within the operating temperature range or was subjectto
large variations in temperature.Switch the tool off and allow itto
adjust to the ambient temperature before switching it on again
.
