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Instruction Manual
BGS technic KG
Bandwirkerstr. 3
D-42929 Wermelskirchen
Tel.: 02196 720480
Fax.: 02196 7204820
mail@bgs-technic.de
www.bgstechnic.com
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Art. 40105
DIGITAL Multifunction Voltage Tester
INTRODUCTION
This is an equipment used to test the automotive electrical system within 12-24 volts. In order to save
the testing hours for the automotive electrical system, it is designed to testing the system without re-
connection between the vehicle battery and the testing components.
FUNCTIONS
• Determine the polarity and circuit circumstance (short/ open).
• Activating the components with positive or negative current without jumper wire.
• Testing the voltage and continuity of the circuit.
• Illumination.
• Locate missing cylinders.
• Measuring frequency of the high-tension ignition pulses and we could calculate the rotational
speed of engine according to the measured frequency.
• Peak detection.
• Testing the voltage of the circuit and the voltage reading will be indicated on the LCD display
within 1/10 of a volt.
WARNING
• When current is provided to the unit, spark may be occurred when the tip contacts with ground or
certain circuits. Therefore please do not operate it around flammable.
• Do not operating it with 110/220 volt house voltage as it is only for 12-24 volt system
• Important: Read these instructions before using the device for the first time.
• Be sure where you are testing, when applying positive and negative potential, components such
as Control module, potentiometer, etc. can be destroyed.
• Manual transmissions always idle and automatic transmissions always insert "P". Faulty
measurements at the starter can be accidentally activated and can property damage and serious
injury.
• Be careful when using the extended test tip, short circuit risk, because they are not isolated.