AUTOOL DM301 Auto Digital Multimeter Car Circuit Tester

AUTOOL DM301Product OverviewThe AUTOOL DM301 automotive digital multimeter is a handheld diagnostic multimeter that combines digital multimeter functions with a single-channel oscilloscope. It is designed for vehicle circuit testing, voltage, current, resistance, frequency, diode, ignition pulse signal, and basic waveform observation in automotive maintenance. Digital Multimeter 500kHz Oscilloscope Ignition Pulse Signal 2.8-Inch Color ScreenDC 0-1000VVoltage Range0-20ACurrent Range500kHzScope Bandwidth3 YearsWarranty Support Click to enlargeBefore You Order And UseBefore You Order And UseDM301 is shipped without batteries. Confirm the battery type before use, and do not charge dry batteries through the device.Batteries Are Not IncludedDM301 / DM303 are shipped without batteries. Please purchase compatible batteries separately before use.Dry Battery OptionDM301 can use 4 × 1.5V dry batteries according to the battery compartment requirement.Optional Lithium BatteryA compatible lithium battery can also be installed by the user. Use the battery style shown as a reference before purchasing.Do Not Charge Dry BatteriesOnly a compatible rechargeable lithium battery can be charged through the device. Do not charge dry batteries.Before First UseInstall batteries before powering on the DM301.Do not mix dry batteries with a lithium battery.Confirm battery polarity and battery compartment fit before installation.Contact support if you are not sure which lithium battery is compatible. Click to enlargeProduct ComparisonProduct ComparisonDM301 is the compact choice for core multimeter and oscilloscope work. DM303 is the higher-function model for users who need more automotive-specific diagnostic modes and more test lead options.Choose DM301 IfYou mainly need voltage, current, resistance, frequency, diode, oscilloscope, and ignition pulse signal testing in a portable automotive multimeter.Choose DM303 IfYou need expanded automotive diagnostic modes such as fuel injector testing, relay testing, automotive circuit testing, starting testing, signal simulation, CAN line data reading, and K/LIN line data reading.Function DifferenceDM301 focuses on 6 core measurement and diagnostic functions. DM303 adds more advanced automotive-specific test modes for electronic control system diagnosis and complex fault detection.Power DifferenceDM301 supports dry batteries, Type-C, and an optional lithium battery. DM303 further enhances the power configuration and supports a 12V rechargeable battery setup.Accessory DifferenceDM301 includes 2 types of test leads. DM303 includes 6 types of test leads, giving more connection options for different diagnostic scenarios. Click to enlargeKey FeaturesKey FeaturesDM301 combines a clear display, portable toolbox, oscilloscope function, auto range measurement, multilingual interface, SD card software upgrading, and 3-year warranty support.2.8-Inch Color ScreenThe adjustable color screen provides clear and intuitive data display for different workshop and vehicle-side working environments.Portable ToolboxThe plastic toolbox stores the main unit and accessories, making the instrument easier to carry and helping protect it from drops and impacts.Single-Channel OscilloscopeThe oscilloscope provides 500kHz bandwidth, 1mS update rate, and practical sweep time and vertical scale ranges for automotive waveform observation.Auto Range And True RMSSelect the measurement mode and connect the test leads. DM301 automatically selects a suitable range and supports True RMS readings.Multilingual InterfaceThe interface supports multiple languages, including English, French, Portuguese, Polish, Spanish, Japanese, Russian, Italian, German, Dutch, Korean, Chinese, and Traditional Chinese.SD Card Software UpgradeApplication software can be updated by copying the update file to an SD card and upgrading through the instrument. Click to enlarge Click to enlarge Click to enlarge Click to enlarge Click to enlarge Click to enlargeFunctions And Test CoverageFunctions And Test CoverageDM301 covers common automotive electrical measurements and waveform checks, making it useful for circuit diagnosis, sensor signal observation, and ignition pulse signal testing.DC / AC VoltageDetects DC and AC voltage signals in automotive circuits, with measurement range up to DC 1000V and AC 700V.DC / AC CurrentMeasures 0-200mA current and supports high-current mode up to 20A for suitable test scenarios.Resistance And DiodeSupports resistance and diode testing. When the detected resistance is too low, the multimeter gives an audible alert.Frequency MeasurementMeasures frequency signals from 1Hz to 1MHz for common automotive electrical signal checks.Oscilloscope FunctionThe handheld oscilloscope has 500kHz bandwidth and supports one-button automatic waveform display.Ignition Signal DiagnosisSelect the engine cylinder type and ignition mode to help calculate speed for different engine cylinders.ApplicationsApplicationsDM301 is suitable for common vehicle circuit diagnostic scenarios where voltage, current, resistance, frequency, diode, ignition signal, and waveform observations are needed.Fuel Engine Signal ChecksUse the oscilloscope and measurement modes to observe ignition signals, camshaft signals, crankshaft signals, wheel speed sensor signals, oxygen sensor signals, and other fuel-engine circuit signals.Electric Vehicle Signal ChecksSupports observation of slowly changing signals such as motor drive signals and motor power voltage on electric vehicles under proper diagnostic conditions.Workshop Circuit TestingUse voltage, current, resistance, frequency, diode, and continuity-related checks for vehicle electrical circuit troubleshooting.Portable Field DiagnosisThe handheld body, flashlight function, back bracket, and toolbox make it convenient for trucks, sedans, buses, electric vehicles, and other vehicle types.SpecificationsAUTOOL DM301 Product SpecificationsThe DM301 combines automotive multimeter measurements with oscilloscope capability, a color display, battery-powered operation, and SD card software update support.Measurement SpecificationsProductAUTOOL DM301 Auto Diagnostic MultimeterDisplay2.8-inch color screenVoltage Measurement RangeDC 0-1000V, AC 0-700VCurrent Measurement Range0-200mA; high-current mode up to 20AResistance Measurement Range0-1MΩFrequency Measurement Range1Hz-1MHzOscilloscopeSingle channel, 500kHz bandwidthScope Update Rate1mSWorking Temperature0°C-40°C / 32°F-104°FDimensions85 × 190 × 33mmPower And InterfacePower SupplyDry battery / Type-C / optional lithium batteryBattery NoticeBatteries are not included. Dry batteries cannot be charged through the device.Data InterfaceSD card slot / data interfaceSoftware UpgradeApplication software update by SD cardLanguageMultilingual interfaceWarranty3-year warranty support for eligible non-human damage cases Click to enlarge Measurement SpecificationsDisplay2.8-inch color screenVoltageDC 0-1000V, AC 0-700VCurrent0-200mA; up to 20AResistance0-1MΩFrequency1Hz-1MHzOscilloscopeSingle channel, 500kHzDimensions85 × 190 × 33mm Power And SupportPower SupplyDry battery / Type-C / optional lithium batteryBattery NoticeBatteries not includedUpgradeSD card software updateWarranty3-year warranty support Click to enlargeProduct DetailsProduct DetailsThe DM301 detail diagram identifies the button area, connector area, and bracket reference so users can understand the external control and connection layout before use.Button ReferenceThe image marks the device button area for front-side operation reference.Connector ReferenceThe connector position is shown to help users identify where test leads or accessories connect.Bracket ReferenceThe bracket detail helps users understand how the unit can be positioned during inspection or testing. Click to enlargeWhat Is In The BoxWhat Is In The BoxThe packing list image shows the DM301 main unit, toolbox, user manual, retail box, test leads, and connector cable. Batteries are not included and must be purchased separately.Main UnitAUTOOL DM301 auto diagnostic multimeterStoragePortable toolbox shown in the package imageTest Leads2 types of test leads shown in the package imageConnector CableDB-style connector cable shown in the package imageDocumentationUser manual and retail boxBatteryBatteries are not includedManual And DownloadsManual And DownloadsDownload the DM301 manual for battery installation, measurement modes, oscilloscope operation, settings, software update, accessories, and safety instructions. Click to enlargeAUTOOL DM301 Manual PDFOpen the official PDF manual for setup, measurement, oscilloscope, and update guidance. Download ManualNeed Setup Confirmation?Contact AUTOOL Store before ordering if you need to confirm battery type, lithium battery compatibility, DM301 / DM303 model choice, accessories, Type-C charging, or software upgrade steps. Email[email protected] WhatsApp 86 189 2647 7404Related ProductsRelated ProductsCompare DM301 and DM303 before choosing the right diagnostic multimeter for your measurement modes, test leads, power setup, and automotive diagnostic needs.Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Automotive Diagnostic MultimeterAUTOOL DM303 Digital Multimeter Car Circuit TesterRated 0 out of 5(0) From US$190.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Automotive Diagnostic MultimeterAUTOOL DM301 Auto Digital Multimeter Car Circuit TesterRated 0 out of 5(0) From US$109.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Automotive Diagnostic MultimeterAUTOOL DM202 Mini Digital Multimeter NCV Tester Ture-RMS 4000 CountsRated 0 out of 5(0) From US$39.00 Select options This product has multiple variants. The options may be chosen on the product page Select options This product has multiple variants. The options may be chosen on the product page Add to wishlist Add to compare Quick view iconQuick view Automotive Diagnostic MultimeterAUTOOL DM103 Digital LCR Tweezer for Resistance Capacitance and InductanceRated 5.00 out of 5(1) From US$40.00 Select options This product has multiple variants. The options may be chosen on the product page Questions And AnswersThese answers cover DM301 batteries, Type-C charging, DM301 vs DM303 model selection, measurement functions, package contents, software upgrades, and manual download. Does AUTOOL DM301 Include Batteries? No. DM301 / DM303 are shipped without batteries. You need to purchase compatible batteries separately before use. What Battery Can I Use For DM301? DM301 can use 4 × 1.5V dry batteries according to the battery compartment requirement. A compatible lithium battery can also be installed by the user. Check the lithium battery reference image and confirm compatibility before purchasing. Can I Charge Dry Batteries Through The Type-C Port? No. Do not charge dry batteries. Only a compatible rechargeable lithium battery can be charged through the device. What Is The Difference Between DM301 And DM303? DM301 focuses on core automotive multimeter and oscilloscope functions, including voltage, current, resistance, frequency, oscilloscope, diode, and ignition pulse signal testing. DM303 adds more automotive-specific diagnostic modes, including fuel injector testing, relay testing, automotive circuit testing, starting testing, signal simulation testing, CAN line data reading, and K/LIN line data reading. DM303 also includes more test leads. What Measurements Does DM301 Support? DM301 supports DC / AC voltage, DC / AC current, resistance, diode, frequency, oscilloscope, and ignition pulse signal testing. Its oscilloscope is single channel with 500kHz bandwidth. What Accessories Are Included With DM301? Refer to the Packing List image for the final package contents. The image shows the DM301 main unit, portable toolbox, user manual, retail box, 2 types of test leads, and connector cable. Batteries are not included. Can DM301 Software Be Updated? Yes. The DM301 application software can be updated by copying the update file to an SD card and using the instrument’s SD card slot / data interface according to the manual instructions. Where Can I Download The DM301 Manual? Use the Download section in this Description page to open the AUTOOL DM301 Manual PDF. The manual covers setup, operation, measurement modes, oscilloscope use, settings, software update, and safety guidance.Warranty And ContactWarranty And ContactFor DM301 setup, battery type confirmation, Type-C charging questions, lithium battery compatibility, DM301 / DM303 model selection, accessories, software upgrade, or warranty support, contact AUTOOL Store directly.Pre-Sales And Product SupportUse support if you need help confirming DM301 measurement functions, power setup, battery compatibility, packing list, manual download, software upgrade, oscilloscope use, ignition pulse signal testing, or comparison with DM303.3-year warranty support for eligible non-human damage casesDM301 / DM303 model selectionBattery type and Type-C charging confirmationLithium battery compatibility supportPacking List and accessory confirmationSoftware upgrade and manual download guidanceMeasurement setup and oscilloscope use support Email Support[email protected] WhatsApp Support 86 189 2647 7404