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 Control The 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
.
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