May 4, 2026

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10 Best diagnostic test measurement tools of 2026

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Best Choice

1

Power Probe

Power Probe III Clamshell - [Car Automotive Diagnostic Test Tool, Digital Volt Meter, AC/DC Current Resistance, Circuit Tester] (Camo)
9.6

Exceptional

Our Rating
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Analyzing top stores
Value for Money

2

FOXWELL
FOXWELL Car Scanner NT604 Elite OBD2 Scanner ABS SRS Transmission, Check Engine Code Reader for Cars and Trucks, Diagnostic Scan Tool with SRS Airbag, Automotive Diagnostic Tool with Live Data

17% Off
Main highlights

Easy to Use and Affordable
The FOXWELL NT604 Elite is user-friendly and cost-effective for diagnosing ABS, SRS, engine, and transmission issues.

Ideal for Multi-Car Owners
Perfect for diagnosing multiple car makes and models without extra software fees.

Praised for Ease of Use
Customers appreciate its automatic vehicle identification and straightforward interface.
Key specs
- is discontinued by manufacturer:‎No
- product dimensions:‎7.68 x 3.54 x 1.18 inches
- manufacturer part number:‎NT604 ELITE
- item weight:‎2.79 pounds
- customer reviews:4.3 4.3 out of 5 stars 4,432 ratings 4.3 out of 5 stars
9.5

Excellent

Our Rating
3

ANCEL
ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

40% Off Limited Time Deal
Main highlights

Comprehensive Diagnostic Capabilities
The ANCEL AD310 reads and clears engine codes, displays live data, and supports all OBDII protocols for extensive vehicle compatibility.

Ideal for DIY Mechanics
Perfect for car owners who want to diagnose engine issues themselves and save on mechanic fees.

User-Friendly and Portable
Praised for its ease of use, portability, and quick diagnostic results according to customer reviews.
Key specs
- is discontinued by manufacturer:‎No
- product dimensions:‎8.9"L x 6.9"W x 1.4"H
- manufacturer part number:‎AD310
- item weight:‎0.988 ounces
- customer reviews:4.6 4.6 out of 5 stars 59,022 ratings 4.6 out of 5 stars
9.4

Excellent

Our Rating
4

Simhevn
Simhevn Electronic Digital Calipers, inch and Millimeter Conversion,LCD Screen displays 0-6" Caliper Measuring Tool, Automatic Shutdown, Suitable for DIY/Jewelry Measurement (New150mm Black Plastic)
Main highlights

Measurement Versatility and Safety
Digital calipers measure inner and outer diameters, depths, and steps with plastic pins to avoid short circuits, ensuring higher safety than metal calipers.

Best Use for DIY and Household
Perfect for home, jewelry, and DIY measurements with easy inch/mm conversion, suitable for non-professional use requiring standard accuracy.

Praised Feature: Value for Money
Customers appreciate the good value, ease of use, and included extras like extra batteries and a screwdriver, making it ideal for general household tasks.
Key specs
- product dimensions:4.33 x 1.38 x 0.16 inches 3.17 ounces
- batteries:1 LR44 batteries required.
- country of origin:China
- asin:B08ZNQRB39
- date first available:March 22, 2021
9.3

Excellent

Our Rating
5

FOXWELL
FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

20% Off Limited Time Deal
Main highlights

Comprehensive Diagnostic Capabilities
Reads and clears DTCs, retrieves live data, and turns off CEL.

Ideal for DIY and Professional Use
Suitable for mechanics and car owners for quick diagnostics.

Praised User Interface
Intuitive and easy navigation praised by customers.
Key specs
- is discontinued by manufacturer:‎No
- product dimensions:‎8.66"L x 3.15"W x 6.69"H
- manufacturer part number:‎NT301
- item weight:‎5.6 ounces
- customer reviews:4.5 4.5 out of 5 stars 29,032 ratings 4.5 out of 5 stars
9.2

Excellent

Our Rating
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6

FIXD
FIXD Bluetooth OBD2 Scanner for iPhone & Android - Diagnostic Scan Tool for Repairs and Car Buying - Check Engine Code Reader & Enhanced Codes - (1 Pack w/Free 14-Day FIXD Premium Bundle)
Main highlights

Instant Code Translation
Translates 7000+ engine fault codes into plain English.

Ideal for DIY Repairs
Perfect for diagnosing issues before visiting a mechanic.

Real-Time Data Monitoring
Provides real-time vehicle health data on your phone.
Key specs
- is discontinued by manufacturer: No
- product dimensions: 4.85 x 2.52 x 4.2 inches
- manufacturer part number: 723120297371
- item weight: 0.96 ounces
- customer reviews:4.1 4.1 out of 5 stars 25,159 ratings 4.1 out of 5 stars
9.0

Excellent

Our Rating
7

QLVJZVO

Universal Car Motor Diagnostic Tool, Scanner and Battery Tester, Check Engine Light, Evap Test, Cranking & Charging System Test for Car Motorcycle, Scanner Diagnostic for All Cars(1pc)
8.9

Very Good

Our Rating
8

XTOOL
XTOOL D5 Car Code Reader and Reset Tool, Engine ABS SRS Transmission Car Diagnostic Tool with EPB Service, ABS Bleed, Throttle Relearn, Clear Check Engine Light Code Reader with 10 Resets, Free Update

24% Off Limited Time Deal
Main highlights

Comprehensive Diagnostics & Reset Functions
XTOOL D5 offers 9 reset functions and diagnostics for Engine, Transmission, ABS, and SRS systems, ensuring efficient vehicle maintenance.

Ideal for Home Mechanics & Professionals
Perfect for DIY enthusiasts and technicians, the D5 simplifies troubleshooting and maintenance across over 90 vehicle brands.

Free Lifetime Software Updates
Customers appreciate the free Wi-Fi updates, ensuring their device remains up-to-date without hidden fees.
Key specs
- is discontinued by manufacturer:N/A
- product dimensions:N/A
- manufacturer part number: XTOOL D5
- item weight: 1.76 pounds
- customer reviews:4.6 4.6 out of 5 stars 55 ratings 4.6 out of 5 stars
8.8

Very Good

Our Rating
9

GEARWRENCH
GEARWRENCH Professional Bi-Directional Diagnostic Scan Tool | GWSMARTBT

13% Off
Main highlights

Comprehensive Diagnostics
OE-Level diagnostics with free lifetime updates, no subscriptions needed.

Ideal for DIYers
Perfect for vehicle diagnostics, resets, and live data mapping.

Praised Feature
Highly appreciated for its compact size and wireless convenience.
Key specs
- is discontinued by manufacturer:N/A
- product dimensions:‎3.4 x 2.1 x 0.9 inches
- manufacturer part number:‎GWSMARTBT
- item weight:‎3.87 ounces
- customer reviews:4.0 4.0 out of 5 stars 476 ratings 4.0 out of 5 stars
8.7

Very Good

Our Rating
10

ANCEL

ANCEL AD310 Pro 2-in-1 OBD2 Scanner & Car Battery Tester, Diagnostic Tool with Bluetooth APP for iPhone & Android, Performance Test, Trip Analysis, Engine Health Self Check for All 1996+ Vehicles

28% Off
8.4

Good

Our Rating

10 Best diagnostic test measurement tools of 2026

1

Power Probe III Clamshell - [Car Automotive Diagnostic Test Tool, Digital Volt Meter, AC/DC Current Resistance, Circuit Tester] (Camo)

How do we rank?

How do we rank?

Analyzing top stores

2

FOXWELL Car Scanner NT604 Elite OBD2 Scanner ABS SRS Transmission, Check Engine Code Reader for Cars and Trucks, Diagnostic Scan Tool with SRS Airbag, Automotive Diagnostic Tool with Live Data

3

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

4

Simhevn Electronic Digital Calipers, inch and Millimeter Conversion,LCD Screen displays 0-6" Caliper Measuring Tool, Automatic Shutdown, Suitable for DIY/Jewelry Measurement (New150mm Black Plastic)

5

FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

6

FIXD Bluetooth OBD2 Scanner for iPhone & Android - Diagnostic Scan Tool for Repairs and Car Buying - Check Engine Code Reader & Enhanced Codes - (1 Pack w/Free 14-Day FIXD Premium Bundle)

7

Universal Car Motor Diagnostic Tool, Scanner and Battery Tester, Check Engine Light, Evap Test, Cranking & Charging System Test for Car Motorcycle, Scanner Diagnostic for All Cars(1pc)

8

XTOOL D5 Car Code Reader and Reset Tool, Engine ABS SRS Transmission Car Diagnostic Tool with EPB Service, ABS Bleed, Throttle Relearn, Clear Check Engine Light Code Reader with 10 Resets, Free Update

9

GEARWRENCH Professional Bi-Directional Diagnostic Scan Tool | GWSMARTBT

10

ANCEL AD310 Pro 2-in-1 OBD2 Scanner & Car Battery Tester, Diagnostic Tool with Bluetooth APP for iPhone & Android, Performance Test, Trip Analysis, Engine Health Self Check for All 1996+ Vehicles

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Electronic Inductor Tester - Precision Circuit Board Detection Tool, High Accuracy Inductance Measurement Device, Compact Diagnostic Analyzer, Easy Testing Instrument | Automotive

BluSon YM319 OBD2 Scanner Diagnostic Tool with Battery Tester, Check Engine Fault Code Reader with Live Data, Cloud Printing, DTC Lookup, Freeze Frame, Scan Tool for All OBDII Protocol Cars Since 1996

ZMOON ZM201 Professional OBD2 Scanner Diagnostic Tool, Enhanced Check Engine Code Reader with Reset OBDII/EOBD Car Diagnostic Scan Tools for All Vehicles After 1996, 2026 Upgraded

Type-C Inductance Tester, 2PCS Motherboard Coil Tester, Electronic Circuit Board Inductor Detector Tool, Diagnostic Device, for Mobile Phone, PC Quick Fault Detection, Repair

SCITOOLS Digital Caliper 0-6" Measuring Tool, Micrometer Caliper with Auto-Off Feature, Interchangeable Between inches and millimeters for Jewelry Measurement and 3D Printing

MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

Universal Car Motor Diagnostic Tool, Epb Emergency Release Tool with Clips, Electric Parking Brake Retractor Tool, Supports Engine Fault Detection ABS Scan, for All Cars Trucks (1pcs)

10 Best diagnostic test measurement tools of 2026

1

Power Probe III Clamshell - [Car Automotive Diagnostic Test Tool, Digital Volt Meter, AC/DC Current Resistance, Circuit Tester] (Camo)

How do we rank?

How do we rank?

Analyzing top stores

2

FOXWELL Car Scanner NT604 Elite OBD2 Scanner ABS SRS Transmission, Check Engine Code Reader for Cars and Trucks, Diagnostic Scan Tool with SRS Airbag, Automotive Diagnostic Tool with Live Data

3

ANCEL AD310 Classic Enhanced Universal OBD II Scanner Car Engine Fault Code Reader CAN Diagnostic Scan Tool, Read and Clear Error Codes for 1996 or Newer OBD2 Protocol Vehicle (Black)

4

Simhevn Electronic Digital Calipers, inch and Millimeter Conversion,LCD Screen displays 0-6" Caliper Measuring Tool, Automatic Shutdown, Suitable for DIY/Jewelry Measurement (New150mm Black Plastic)

5

FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light

6

FIXD Bluetooth OBD2 Scanner for iPhone & Android - Diagnostic Scan Tool for Repairs and Car Buying - Check Engine Code Reader & Enhanced Codes - (1 Pack w/Free 14-Day FIXD Premium Bundle)

7

Universal Car Motor Diagnostic Tool, Scanner and Battery Tester, Check Engine Light, Evap Test, Cranking & Charging System Test for Car Motorcycle, Scanner Diagnostic for All Cars(1pc)

8

XTOOL D5 Car Code Reader and Reset Tool, Engine ABS SRS Transmission Car Diagnostic Tool with EPB Service, ABS Bleed, Throttle Relearn, Clear Check Engine Light Code Reader with 10 Resets, Free Update

9

GEARWRENCH Professional Bi-Directional Diagnostic Scan Tool | GWSMARTBT

10

ANCEL AD310 Pro 2-in-1 OBD2 Scanner & Car Battery Tester, Diagnostic Tool with Bluetooth APP for iPhone & Android, Performance Test, Trip Analysis, Engine Health Self Check for All 1996+ Vehicles

Similar products on Amazon

VEHLIVE Motorcycle System Diagnostic Measurement Tool, Moto OBD2 Scanner with Voltage Test, Motorcycle Fault Code Reader with Quick Test Compatible for Yamaha, Honda, Kawasaki, Generation, KYMCO, SYM

Ezyaid PD Ruler with Instruction Manual - Pupillary Distance Ruler for Pupil Distance Measuring, PD Measurement Tool for Prescription Eyeglasses, Include Eye Care Tips

Digital Caliper, Adoric 0-6" Calipers Measuring Tool - Electronic Micrometer Caliper with Large LCD Screen, Auto-Off Feature, Inch and Millimeter Conversion

Electronic Inductor Tester - Precision Circuit Board Detection Tool, High Accuracy Inductance Measurement Device, Compact Diagnostic Analyzer, Easy Testing Instrument | Automotive

BluSon YM319 OBD2 Scanner Diagnostic Tool with Battery Tester, Check Engine Fault Code Reader with Live Data, Cloud Printing, DTC Lookup, Freeze Frame, Scan Tool for All OBDII Protocol Cars Since 1996

ZMOON ZM201 Professional OBD2 Scanner Diagnostic Tool, Enhanced Check Engine Code Reader with Reset OBDII/EOBD Car Diagnostic Scan Tools for All Vehicles After 1996, 2026 Upgraded

Type-C Inductance Tester, 2PCS Motherboard Coil Tester, Electronic Circuit Board Inductor Detector Tool, Diagnostic Device, for Mobile Phone, PC Quick Fault Detection, Repair

SCITOOLS Digital Caliper 0-6" Measuring Tool, Micrometer Caliper with Auto-Off Feature, Interchangeable Between inches and millimeters for Jewelry Measurement and 3D Printing

MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow

Universal Car Motor Diagnostic Tool, Epb Emergency Release Tool with Clips, Electric Parking Brake Retractor Tool, Supports Engine Fault Detection ABS Scan, for All Cars Trucks (1pcs)

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