AUTOOL
Multimeter Oscilloscope Automotive TRMS Digital Multimeter and Oscilloscope Kit 1000V 20A, with Test K line & CAN Bus Signal, Sensor Signal, Relay Test, Ignition Pulse Signal Test
*Price sourced from Amazon.com. Last updated 2026-07-23. Price and availability subject to change.
Bottom line: The Multimeter Oscilloscope Automotive TRMS Digital Multimeter and Oscilloscope Kit 1000V 20A, with Test K line & CAN Bus Signal, Sensor Signal, Relay Test, Ignition Pulse Signal Test is a niche pick — read recent reviews before buying in the tools & maintenance category, priced around $129.99. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies AUTOOL Multimeter Oscilloscope Automotive TRMS Digital Multimeter… as a niche pick — read recent reviews before buying in the tools & maintenance category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. AUTOOL's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for tools & maintenance of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by AUTOOL's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- 【More Powerful Detection Range】The multimeter can accurately measure AC/DC voltage, resistance, continuity, AC/DC current, capacitance, frequency, diodes, duty cycle and fire wire. DC voltage 0 ~ 1000V, AC voltage 0 ~ 700V, DC/AC Current 0 ~ 20A, 0 ~ 200mA, Resistance 0 ~ 1MΩ, Frequency 1 ~ 1MHZ, Continuity circuit test and ignition signal test to meet all test requirements.
- 【Oscilloscope Fuction】Waveform test bandwidth of 500KHZ, using variable sampling frequency, can measure slowly changing signal, suitable for automotive maintenance to measure and observe various signal quantities on automotive circuits, including motor drive signals, motor power voltage on electric vehicles, ignition signals, camshaft signals, crankshaft signals, wheel speed sensor signals, oxygen sensor signals, etc. of fuel car engines.
- 【Auto Range & Ture RMS】Simply select the mode and connect your leads. The multimeter will automatically select the appropriate measurement depending on what it detects. With True RMS, the DM301 portable multimeter provides you with the clear, accurate readings whenever and wherever you need them.
- 【Wiring Functions】Equipped with 8 wiring lines for different functions. They are multi-function test line, battery clip line, ignition pulse signal test line, car circuit test line, jumper and multimeter probe. The multi-function test line is used to test the battery voltage, test the fuel injector and relay, test the K-wire and CAN bus signal, test the car ECU, and test the car parts.
- 【Starting Test & Analog Signal Test】The multimeter tester can be used to evaluate the battery's starter system and determine if the 12V electrical system is producing enough power to start the engine. The multimeter also outputs 5V square wave and 5Vpp sine wave signals. Output Signal Frequency: 1Hz~10KHz Duty Cycle: 10%~90.
- 【2.8 inch Colorful Screen】Color display screen with backlight for clear reading. Built-in flashlight for dark environments. Adjustable screen brightness, button sound and sleep time to meet your various needs and various working environments, making your measurements more convenient.
Full Specifications
| Brand | AUTOOL |
|---|---|
| Color | BLACK |
| Model | DM302 |
| Style | multimeter oscilloscope |
| Style Name | multimeter oscilloscope |
| Part Number | DM303 |
| Power Source | Battery Powered |
| Item Dimensions | 10.23 x 7.87 x 4.33 inches |
| Measurement Type | Multimeter |
| Included Components | multimeter,leads |
Ready to buy?
AUTOOL Multimeter Oscilloscope Automotive TRMS Digital Multimeter and Oscilloscope Kit 1000V 20A, with Test K line & CAN Bus Signal, Sensor Signal, Relay Test, Ignition Pulse Signal Test is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-23. Price and availability subject to change.
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