AUTOOL DM303

AUTOOL DM303 Automotive Diagnostic Multimeter User Manual

Model: DM303

1. Wprowadzenie

The AUTOOL DM303 is a versatile hand-held automotive diagnostic multimeter that integrates the functions of a digital oscilloscope and a digital multimeter. Designed with embedded digital control technology, it provides comprehensive diagnostic capabilities for various automotive electrical systems. This device is ideal for professional technicians and automotive enthusiasts for accurate and efficient vehicle maintenance and troubleshooting.

2. Główne cechy

The AUTOOL DM303 offers a wide range of diagnostic functions:

  • Objętość DC/ACtage Pomiar
  • Pomiar prądu DC/AC
  • Test odporności
  • Pomiar częstotliwości
  • Test oscyloskopu
  • Automotive Circuit Test
  • Car Start-up Test
  • Test wtryskiwacza
  • Automobile Relay Test
  • Analog Signal Test
  • Ignition Pulse Signal Test
  • K/CAN Line Data Analysis

The device features a 2.8-inch color LCD screen with a resolution of 320*240, offering adjustable brightness for clear and intuitive data display in various working environments.

It supports 13 languages: Deutsch, Spanish, French, Italian, English, Japanese, Portuguese, Dutch, Polish, Russian, Korean, Chinese, and Traditional Chinese.

AUTOOL DM303 with 12 test functions listed
Image: AUTOOL DM303 displaying its 12 primary test functions.

3. Zawartość opakowania

The AUTOOL DM303 comes with the following items, neatly stored in a portable toolbox:

  • Jednostka główna AUTOOL DM303
  • Multi-functional Detection Line (C01-1 to C01-SIN, C01-S1, C01-S2)
  • Battery Clip Line (C02)
  • Ignition Pulse Signal Detection Line (C03)
  • Probe Terminal (C04-2)
  • Jumper (Black) (C05)
  • Jumper (Green) (C06)
  • Jumper (Yellow) (C07)
  • Instrukcja obsługi
  • Przenośna skrzynka narzędziowa
AUTOOL DM303 and its accessories in a portable toolbox
Image: The AUTOOL DM303 device, various cables, probes, and the portable toolbox.
Table showing multi-functional detection line components and their uses
Image: Detailed breakdown of the multi-functional detection line and its various connectors and their functions.

4. Koniec produktuview

The DM303 is designed for ease of use and durability. Below is an overview z jego głównych składników:

Labeled diagram of AUTOOL DM303 showing display screen, power indicator, keys, probe jacks, DB15 interface, SD card slot, and back bracket.
Obraz: przód i bok view of the AUTOOL DM303 with numbered labels for each component.
  1. Ekran wyświetlacza: 2.8-inch color LCD.
  2. Wskaźnik zasilania: Wskazuje stan zasilania urządzenia.
  3. Przycisk zasilania: Włącza/wyłącza urządzenie.
  4. Hold key: Freezes the current reading on the screen.
  5. Klawisz kierunkowy: Used for navigation within menus.
  6. Klawisz powrotu: Navigates back to the previous menu or screen.
  7. Przycisk ENTER: Potwierdza wybór lub wchodzi do menu.
  8. 10A current input: Input jack for high current measurements.
  9. mA/uA measurement input: Input jack for low current measurements.
  10. Lighting key: Activates the device's built-in light.
  11. ZERO / F1 Function key: Zeroes readings or acts as Function 1.
  12. F2 Function key: Acts as Function 2.
  13. Measurement mode switching: Przycisk umożliwiający przełączanie się między różnymi trybami pomiaru.
  14. Dioda, objtage, resistance, frequency measurement input: Common input jack for these functions.
  15. COM measurement input: Common ground input jack.
  16. Interfejs DB15: Connector for specialized diagnostic cables.
  17. SD card slot / data interface: For software updates and data storage.
  18. Światło: Built-in light for illuminating work areas.
  19. Tylny wspornik: Umożliwia ustawienie urządzenia w pozycji pionowej, umożliwiając obsługę bez użycia rąk.

5. Specyfikacje

AtrybutWartość
Nazwa modeluDM303
Nazwa markiAutory
PochodzenieChiny kontynentalne
OrzecznictwoCE
Certyfikacja testów zewnętrznychce
Ekran kolorowy2.8-calowy wyświetlacz LCD
Rezolucja320*240
Tomtage Zakres pomiarowyDC 0-1000 V, AC 0-700 V
Zakres pomiaru prądu0-20 A, 0-200 mA
Zakres pomiaru rezystancji0-1MΩ
Zakres pomiaru częstotliwości1 Hz-1 MHz
Prąd napędowy obwodu samochodowego0-5A
Wyjście sygnału sterującego wtryskiwacza500-6000 obr./min
Temperatura pracy0~40°C (32~104°F) Humidity: ≤75%
Temperatura przechowywania10~50°C (14~122°F) Humidity: ≤70%
Wysokość2000m
Długość elementu26cm
Szerokość przedmiotu20cm
Wysokość przedmiotu11cm
Waga przedmiotu1.7kg
Impedancja wejściowa (objętość)tage)2~3MΩ (<160V); 10MΩ (>160V)
Maksymalna objętość wejściowatage1000Vpp
Pasmo analogowe500KHz
Bezpiecznik zaciskowy 10A15A self-recovery fuse (Max 20A)
Bezpiecznik zaciskowy mA/uA0.5A self-recovery fuse (Max 200mA)
Product specifications and dimensions of AUTOOL DM303
Image: Visual representation of the DM303's dimensions and key specifications.

6. Przewodnik konfiguracji

6.1 Instalacja baterii

The AUTOOL DM303 is not equipped with batteries for logistics and transportation reasons. You will need to purchase 4pcs 1.5A batteries (AA size) or a 3.7V, 1200 mAh lithium battery separately.

  1. Znajdź komorę baterii z tyłu urządzenia.
  2. Otwórz pokrywę komory baterii.
  3. Insert 4pcs 1.5A batteries, ensuring correct polarity (+/-).
  4. Dokładnie zamknij pokrywę komory baterii.

Notatka: Without batteries, the device will turn off automatically when disconnected from the charging cable.

6.2 Włączanie/wyłączanie

Naciśnij i przytrzymaj Przycisk zasilania (labeled '3' in the Product Overview diagram) to turn the device ON or OFF.

7. Instrukcja obsługi

The AUTOOL DM303 features an intuitive interface for selecting and performing various tests. Use the Klawisze kierunkowe (5) to navigate through menus and the Wciśnij klawisz Enter (7) to confirm selections.

Interface display of AUTOOL DM303 showing various test modes
Image: The main interface display of the DM303, showing options for Multimeter, Oscilloscope, Automotive Circuit Test, Cranking Test, Injector Test, Relay Test, Analog Signal Test, Ignition Signal Test, and K/CAN Line Data.

7.1 Nawigacja ogólna

  • Użyj Klawisze kierunkowe (Up, Down, Left, Right) to move the cursor or change values.
  • Naciskać OK (Enter key) to select an option or confirm an action.
  • Naciskać ESC (Return key) to go back to the previous screen or cancel an operation.
  • Używać F1 (ZERO) i F2 for specific function adjustments as indicated on the screen.
  • Ten TRZYMAĆ key (4) can be used to freeze the current measurement on the display.

7.2 Tryb multimetru

Select 'Multimeter' from the main menu. This mode allows you to measure AC/DC voltage, current, resistance, diode forward voltage drop, on-off continuity, and frequency. Connect the appropriate probes to the device's input jacks (8, 9, 14, 15) and to the circuit under test.

7.3 Tryb oscyloskopu

Select 'Oscilloscope' from the main menu. This mode provides a complete intelligent measurement system for signal input, data sampling, processing, and automatic search. It has a waveform test bandwidth of 500KHz and a variable sampling frequency for measuring slowly varying signals. It is suitable for observing various automotive signals such as engine ignition pulse, camshaft, crankshaft, wheel speed sensor, and oxygen sensor signals.

7.4 Test obwodów samochodowych

This function allows online testing of low voltage circuits, detection of high voltage or line leakage, and output of power supply voltage. It can also output power voltage to test car components or lower voltage to drive components like lights. It can test battery voltage during vehicle startup to assess the starting system and battery condition.

7.5 Car Start-up Test (Cranking Test)

Connect the device to the vehicle's battery using the appropriate cables. Select 'Cranking Test' from the menu. The device will monitor current and minimum voltage during engine cranking to evaluate the battery and starter motor performance.

7.6 Test wtryskiwacza

Connect the injector to the device using the specialized terminals (C01-2). Select 'Injector Test' to simulate engine speed and drive the fuel injection nozzle, allowing for functional testing of the injector.

7.7 Automobile Relay Test

Connect the relay to the device using the specialized terminals (C01-2). Select 'Relay Test' to check the output status and contact resistance of the relay.

7.8 Test sygnału analogowego

This function is used for car ECU detection. It can simulate square wave and sine wave outputs, which can be used to test ECU inputs or drive certain components.

7.9 Ignition Pulse Signal Test

Use the Ignition Pulse Signal Detection Line (C03) to connect to the ignition system. Select 'Ignition Pulse Signal Test' to analyze the ignition pulse waveform and characteristics.

7.10 K/CAN Line Data Analysis

Connect the device to the vehicle's K-line or CAN bus using the appropriate cables (C01-K, C01-CAN+, C01-CAN-). Select 'K/CAN Line Data' to monitor and analyze data signals on these communication lines.

7.11 Pomiar częstotliwości

Select 'Frequency Measurement' from the multimeter mode or a dedicated frequency function. Connect the probes to the signal source to measure its frequency.

Video: Demonstration of AUTOOL DM303 performing various diagnostic tests including resistance, voltage, current, oscilloscope, analog signal, cranking, injector, relay, ignition pulse, K/CAN line data, and frequency measurements.

8. Konserwacja

8.1 Aktualizacja oprogramowania

The instrument supports software updates via an SD card. To update the software:

  1. Download the latest application software file from the official AUTOOL webstrona.
  2. Skopiuj pobrane file na kartę SD.
  3. Insert the SD card into the device's SD card slot (17).
  4. Postępuj zgodnie z instrukcjami wyświetlanymi na ekranie, aby ukończyć aktualizację oprogramowania.

8.2 Czyszczenie i przechowywanie

  • Utrzymuj urządzenie w czystości i suchości. Użyj miękkiego, damp Do przecierania powierzchni zewnętrznej należy używać ściereczki. Nie należy używać środków czyszczących o działaniu ściernym ani rozpuszczalników.
  • Ensure all ports and connectors are free from dust and debris.
  • When not in use, store the main unit and all accessories in the provided portable toolbox. The toolbox is designed to protect the instrument from falls and impacts.
AUTOOL DM303 stored in its portable toolbox
Image: The AUTOOL DM303 and its components securely stored within the portable toolbox.

9. Rozwiązywanie Problemów

  • Urządzenie się nie włącza: Check if batteries are correctly installed and charged. Ensure the power key is pressed and held sufficiently.
  • Niedokładne odczyty: Verify that all connections are secure and probes are properly attached to the circuit. Ensure the correct measurement mode is selected.
  • Ekran jest przyciemniony lub nieczytelny: Adjust the screen brightness through the device settings.
  • Urządzenie zawiesza się lub przestaje reagować: Try restarting the device by holding the power key. If the issue persists, ensure the software is up to date.

10. Wskazówki użytkownika

  • Always ensure the device is powered off before connecting or disconnecting probes to prevent accidental short circuits or damage.
  • For precise current measurements, especially low currents, ensure the circuit is properly isolated and the correct input jack (10A or mA/uA) is used.
  • When using the oscilloscope function, familiarize yourself with typical waveforms for the components you are testing to quickly identify anomalies.
  • Utilize the back bracket (19) for hands-free operation, especially when working in tight engine compartments.

11. Gwarancja i wsparcie

The AUTOOL DM303 comes with a 3-year warranty, ensuring quality assurance. For technical support, service, or warranty claims, please contact your authorized AUTOOL dealer or visit the official AUTOOL webwitryna do informacji kontaktowych.

AUTOOL DM303 with 3 Years Warranty badge
Image: AUTOOL DM303 highlighting its 3-year warranty.

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