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9 Best diagnostic test measurement tools of 2026

Save up to 28% off
  • Best Choice

    1

    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
    FOXWELL
    9.7
    Exceptional
    watcher 589+ bought this week

    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

    20% Off Limited Time Deal
    • asin:B08PFJMTY3
    • best sellers rank:#2,685 in Automotive (See Top 100 in Automotive) #26 in Code Readers & Scan Tools
    • brand:‎FOXWELL
    • customer reviews:4.3 4.3 out of 5 stars 4,432 ratings 4.3 out of 5 stars
    • date first available:December 2, 2020
  • Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
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  • Value for Money

    2

    FOXWELL NT301 OBD2 Scanner Live Data Professional Mechanic OBDII Diagnostic Code Reader Tool for Check Engine Light
    FOXWELL
    9.6
    Exceptional

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

    15% Off

  • 3

    Circuit Breaker Finder Kit, Electrical Circuit Tracer with Digital Multimeter, GFCI Outlet Tester, 3-Piece Electrical Diagnostic Tool Set with LCD Display, NCV Test – 2027 Upgraded Version
    KUYTN
    9.5
    Excellent

    Circuit Breaker Finder Kit, Electrical Circuit Tracer with Digital Multimeter, GFCI Outlet Tester, 3-Piece Electrical Diagnostic Tool Set with LCD Display, NCV Test – 2027 Upgraded Version

    13% Off
    • Advanced Feature:NCV Test
    • Component Count:3-Piece
    • Display Type:LCD Display
    • Key Function:Circuit Breaker Finder/Electrical Circuit Tracer
    • Measurement Device:Digital Multimeter

  • 4

    MOTOPOWER MP69033 Car OBD2 Scanner Code Reader Engine Fault Scanner CAN Diagnostic Scan Tool for All OBD II Protocol Cars Since 1996, Yellow
    MOTOPOWER
    9.4
    Excellent

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

    11% Off
    • asin:B07Z3HB7DR
    • best sellers rank:#545 in Automotive (See Top 100 in Automotive) #6 in Code Readers & Scan Tools
    • brand:‎MOTOPOWER
    • customer reviews:4.6 4.6 out of 5 stars 48,090 ratings 4.6 out of 5 stars
    • date first available:October 13, 2019

  • 5

    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
    Zmoon
    9.2
    Excellent

    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

    28% Off Limited Time Deal
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  • 6

    SCITOOLS Digital Caliper 0-6" Measuring Tool, Micrometer Caliper with Auto-Off Feature, Interchangeable Between inches and millimeters for Jewelry Measurement and 3D Printing
    SCITOOLS
    9.1
    Excellent

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

    • Application:Jewelry Measurement and 3D Printing
    • Feature:Auto-Off Feature
    • Measurement Range:0-6 inches
    • Tool Type:Digital Caliper
    • Unit Compatibility:inches and millimeters

  • 7

    Goniometer 12 inch 360° Clear Protractor Physical Therapy, for Medical Range of Motion Measurement Angle Ruler and Protractors Bulk for Classroom
    YAMHOHO
    8.9
    Very Good

    Goniometer 12 inch 360° Clear Protractor Physical Therapy, for Medical Range of Motion Measurement Angle Ruler and Protractors Bulk for Classroom

    • Diameter or Length:12 inch
    • Measurement Type:Range of Motion Measurement
    • Rotation:360°
    • Ruler Units:Inches and centimeters
    • Scale Features:Three scales

  • 8

    Automotive Multimeter Techniques: Electrical Diagnosis Step by Step - Voltage Drop, Sensor Testing, and the 20 Measurements That Solve 90% of Faults (Automotive Diagnostics & Scan Tool Series)
    Independently published
    8.8
    Very Good

    Automotive Multimeter Techniques: Electrical Diagnosis Step by Step - Voltage Drop, Sensor Testing, and the 20 Measurements That Solve 90% of Faults (Automotive Diagnostics & Scan Tool Series)

    • Application:Automotive Diagnostics & Scan Tool Series
    • Focus:Electrical Diagnosis
    • Measurement Count:20 Measurements
    • Methods Covered:Voltage Drop, Sensor Testing
    • Type:Automotive Multimeter Techniques

  • 9

    Vernier PD Ruler Pupillary Distance Ruler PD Measurement Tool 1 Pack | PD ruler for eyeglasses pupillary distance gauge Plastic PD Measurement Ruler PD measurement tool for Optical Workshops
    Uoeo
    8.7
    Very Good

    Vernier PD Ruler Pupillary Distance Ruler PD Measurement Tool 1 Pack | PD ruler for eyeglasses pupillary distance gauge Plastic PD Measurement Ruler PD measurement tool for Optical Workshops

    13% Off