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M 980 / 6887-58 (3in1)
ELECTRICAL CHECK / POLARITY CHECK / BATTERY TEST
Set the swich to « O » position without opening the metal sensor.
Hand touch metal plate.
If the LED lights up and buzzer sounds, that means the device is working well.
b) Operation
DETECTING METAL OBJECT
the detector detects metals such as steel, iron, copper, brass,
aluminium etc...
it locates pipe, reinforced steel, nail, screw, metal conduit,
cable etc... inside the bricks, concrete, plaster, cellular blocks
and wood.
Set the swich to « I » position and open the metal sensor.
Make sure the unit is far away from the scanning area and
adjust the sensitivity knob until LED and buzzer goes off.
Then, move the unit slowly and smoothly across the surface
area, approaching from different directions. LED and buzzer
comes on when METAL object is detected.
To find out more accurately the exact position of METAL object, turn the sensitivity knob
backwards to make the detection sensitivity narrower, and re-scan the area where the
object is supposed to be.
It is not suitable to detect on walls or ceilings insulated with metallic foils.
The detector will not detect plactic water pipes.
The wires which are inside metal conduit, will not been detected as wire but as metal.
Other hand touch metal point.
The depth to which the detector will detect metal depends pn the object's size. The bigger
object is, then better it can be detected.
the measurement depth for steel :0-50MM
the measurement depth for copper:0-20MM
the measurement depth for electrical cables::50-100MM
DETECTING AC VOLTAGE
Set the swich to « II » position without opening the metal sensor.
Slightly adjust the sensitivity knob until LED and buzzer goes off.
Move the unit near or accross the surface to be tested, such as
switch, socket, plug, wire etc...
To locate broken point, or live/hot side in the wire, just grip the
wire and turn forwards the sensitivity knob to redree the sensistivity, the broken point is
indicated when the signal interrupted.
Move the unit proximately to the electrical appliances with the power off such as kettle, rice
cooker, washing machine, dry machine, micr-wave oven etc. LED and buzzer comes on when
ground/earthing is NOT connected to appliance.
Move the unit close to hair dryer, with the power off, LED and buzzer comes on when the
plug is inserted improperly or "live/hot" wire is connected wrongly to the socket.
The unit can also detect AC signal when the unshielded wire located inside the wooden / dry
wall. To reduce the detecting sensitivity just place your other hand onto the wall.
Notes: static electricity may generate by rubbing or banging the plastic housing thus cause
false indication (LED lits and buzzer beeps)
The sensitivity may reduce under high humidity environment.
You may increase the sensitivity by touching the continuity test plate.

CONTINUITY TEST

Set the swich to « O » position without opening the metal sensor.
Hand touch metal plate.
Test and verifies the connection of wire, plug, socket, fuse, bulb, heater,
toaster, fan, etc

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