Circuit Tester

The only four-in-one product: 1. Multimeter 2. Test lamp 3. Lighting lamp 4. Probe It has following functions: 1. Its front end has unique feeler which searches circuit. It can accurately detect all faults like voltage and signa inside wire on the surface of wire rubber cover (convenient and...

Description

The only four-in-one product:
1. Multimeter
2. Test lamp
3. Lighting lamp
4. Probe


It has following functions:
1. Its front end has unique feeler which searches circuit. It can accurately detect all faults like voltage and signa inside wire on the surface of wire rubber cover (convenient and efficient detection).
2. It has the functions of multimeter (voltage, resistance, diode, buzzer. etc.)
3. It has several test lamps.
4. It can test pulse signal function.
5. Its front end has high-brightness lighting lamp.
6. It has the special function of detecting the voltage drop with bad contact and aging wire.
7. With unique structure design, it is convenient for narrow space operation of automobile circuit.
It is favorable for the decorations of auto electric parts, such as the installation of burglar alarm, sound, GPS anti-theft tracking system, subwoofer, etc.


Voltage Measurement Gear:
1. Connect the alligator clip of black test pen to the ground, turn the knob switch to the voltage measurement gear, use the feeler to hook the detected rubber cover wire, press down trigger, and head the probe against the front detected rubber cover wire. In case of any power in wire, LCD will naturally display accurate voltage in wire. (0V-60V DC voltage can be measured).
2. Press function switch key (SELECT), LCD will display alternating current symbol (AC) to measure 0V-380V AC voltage.
3. For the decorations of auto electric appliances, many control wires or signal wires must be searched. If you use general tools (multimeter or test lamp), rubber cover must be damaged for searching, which is inconvenient and easy to hurt hands. You can accurately detect the control or signal wires that you need under the situation of no damage to rubber cover, as long as you hook the detected wire with this tool and press down trigger, which is convenient and efficient.


Test Lamp & Multimeter Voltage Gear:
The gear especially detects the wires with bad contact or aging wires. Before test, connect the alligator clip of black test pen to the ground, turn the knob switch to the test lamp & multimeter voltage gear "V--", use the feeler to hook the detected rubber cover wire, press down trigger, and head the probe against the front detected rubber cover wire. If the front end of the detected wire is 12V (normal voltage), and then measure the voltage of back end of the wire, "if LCD displays the voltage less than 10V" indicates that the back end of the wire has bad contact or is aged.

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Light-emitting Diode (LED 1) Test Lamp:
1. Connect the alligator clip of black test pen to the ground, turn the knob switch to the light-emitting diode (LED1) test lamp gear, use the feeler to hook the detected rubber cover wire, press down trigger, and head the probe against the front detected rubber cover wire. In case of any power in wire, LED will be on.
2. Short-circuit and open-circuit test of auto circuits.
3. Test of ignition system
4. Test of generator
5. Test of charging system
6. Test of input and output signal of sensor
7. Test of executive component signal
8. Especially applicable to the test of pulse signal: oil injection nozzle and vehicle speed sensor

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Resistance Measurement Gear:
1. Turn the knob switch to the resistance gear, and connect positive and negative test pens to two ends of resistance on circuit board to accurately measure the resistance value.
2. Press function switch key (SELECT), LCD will display LED symbol to detect diode and triode.
3. Press function switch key (SELECT) twice continuously, LCD will display buzzer symbol, and use positive and negative pens to detect on/off.

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Test Lamp Gear:
1. Connect the alligator clip of black test pen to the ground, turn the knob switch to the test lamp () gear, use the feeler to hook the detected rubber cover wire, press down trigger, and head the probe against the front detected rubber cover wire. If the wire has 12V power, the test lamp will be on.
2. Test short-circuit and open-circuit of automobile circuits.
3. Especially applicable to low-voltage current conduction.

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Operation Drawing in Narrow Space:
1. In narrow place where your body fails to enter for operation, the surrounding parts must be removed if you use general tools (multimeter or test lamp).
2. In the place where the space is narrow or light is weak, the instrument detects as usual, because the forefront of the product has feeler. Without high-brightness (LED) lighting lamp, it can detect faults without removal of any parts, which saves time and effort.

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Nighttime Operation:
Automobile circuits are often repaired at night and in the place where the light is weak. The operation is very troublesome if general tool is used. But the instrument can detect without other lighting facilities and also can be used as flashlight.

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Backlight:
Press (BLCTR3) switch for 3s, LCD super-brightness LED backlight will be on, and backlight is intelligent and will be closed automatically after 30s.

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