Voltage Testers

Voltage Tester Auto Electrical Circuit DC with Measurement Range 12 - 12V

The Testeruland TopDiag P100 Pro tester is a professional multifunctional tool for car diagnostics. It combines the functions of a digital multimeter, digital oscilloscope, polarity detector,...

The Testeruland TopDiag P100 Pro tester is a professional multifunctional tool for car diagnostics. It combines the functions of a digital multimeter, digital oscilloscope, polarity detector, adjustable 0–5V voltage generator, and component activator, making it essential in any car workshop or for automotive enthusiasts.

Main Features
  • Complete multimeter...
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Description

Description

The Testeruland TopDiag P100 Pro tester is a professional multifunctional tool for car diagnostics. It combines the functions of a digital multimeter, digital oscilloscope, polarity detector, adjustable 0–5V voltage generator, and component activator, making it essential in any car workshop or for automotive enthusiasts.

Main Features
  • Complete multimeter – measures DC/AC voltage, resistance, and circuit continuity.
  • Built-in digital oscilloscope – displays real-time waveforms (voltage, frequency, time, duty cycle).
  • Adjustable 0–5V power supply – generates voltages for testing sensors and electronic components.
  • Component activation – allows direct powering of motors, lamps, relays, and other automotive devices for quick testing.
  • Polarity and ground testing – immediate recognition of positive/negative wires and ground verification.
  • Continuity testing with audible and visual alert.
  • Frequency (Hz) and duty cycle (%) measurements.
  • Overvoltage protection function for maximum safety during use.
Technical Specifications
  • High-resolution 2.4" color LCD display
  • Operating voltage: 9–30V DC
  • Direct power supply from the vehicle's battery
  • 0–5V voltage output function with alarm for exceeding ±0.1V
  • Voltage measurements: 0–70V
  • Resistance measurements: 0–200kΩ
  • Automatic polarity detection
  • Long test cables (approx. 6m) for easy access to the engine compartment
  • Support for multiple languages: English, German, Spanish, French, Italian, Portuguese, Russian, Polish, Chinese, Vietnamese, Arabic, Japanese, Korean, etc.
Applications

Compatible with all vehicles equipped with 12V or 24V electrical systems:

  • Cars
  • SUVs and trucks
  • Motorcycles
  • Boats, ATVs, excavators, trailers

Ideal for quick diagnostics:

  • Engine electrical system, lighting systems, pumps, sensors, fuses, contacts, and relays.
Includes
  • Tester TopDiag P100 Pro
  • Test cable with crocodile clips
  • Power supply
  • USB cable
  • Additional test device
  • User manual
  • Original TopDiag box
Advantages
  • High-resolution display.
  • Fast navigation with intuitive buttons.
  • Multifunctional: multimeter + oscilloscope + voltage generator + component activator.
  • Electronic overload protection.
  • Full support for 12V and 24V vehicles.
  • Ideal for car workshops, electricians, and advanced DIY diagnostics.

Manufacturer

OEM
See full description

Specifications

Specifications

Type of Current
DC
Min Voltage
12 V
Max Voltage
12 V
NCV
No
with Buzzer
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

Description & Specifications

The Testeruland TopDiag P100 Pro tester is a professional multifunctional tool for car diagnostics. It combines the functions of a digital multimeter, digital oscilloscope, polarity detector, adjustable 0–5V voltage generator, and component activator, making it essential in any car workshop or for automotive enthusiasts.

Main Features
  • Complete multimeter – measures DC/AC voltage, resistance, and circuit continuity.
  • Built-in digital oscilloscope – displays real-time waveforms (voltage, frequency, time, duty cycle).
  • Adjustable 0–5V power supply – generates voltages for testing sensors and electronic components.
  • Component activation – allows direct powering of motors, lamps, relays, and other automotive devices for quick testing.
  • Polarity and ground testing – immediate recognition of positive/negative wires and ground verification.
  • Continuity testing with audible and visual alert.
  • Frequency (Hz) and duty cycle (%) measurements.
  • Overvoltage protection function for maximum safety during use.
Technical Specifications
  • High-resolution 2.4" color LCD display
  • Operating voltage: 9–30V DC
  • Direct power supply from the vehicle's battery
  • 0–5V voltage output function with alarm for exceeding ±0.1V
  • Voltage measurements: 0–70V
  • Resistance measurements: 0–200kΩ
  • Automatic polarity detection
  • Long test cables (approx. 6m) for easy access to the engine compartment
  • Support for multiple languages: English, German, Spanish, French, Italian, Portuguese, Russian, Polish, Chinese, Vietnamese, Arabic, Japanese, Korean, etc.
Applications

Compatible with all vehicles equipped with 12V or 24V electrical systems:

  • Cars
  • SUVs and trucks
  • Motorcycles
  • Boats, ATVs, excavators, trailers

Ideal for quick diagnostics:

  • Engine electrical system, lighting systems, pumps, sensors, fuses, contacts, and relays.
Includes
  • Tester TopDiag P100 Pro
  • Test cable with crocodile clips
  • Power supply
  • USB cable
  • Additional test device
  • User manual
  • Original TopDiag box
Advantages
  • High-resolution display.
  • Fast navigation with intuitive buttons.
  • Multifunctional: multimeter + oscilloscope + voltage generator + component activator.
  • Electronic overload protection.
  • Full support for 12V and 24V vehicles.
  • Ideal for car workshops, electricians, and advanced DIY diagnostics.

Manufacturer

OEM
Type of Current
DC
Min Voltage
12 V
Max Voltage
12 V
NCV
No
with Buzzer
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.