Advertising Disclosure Diagnostic Testing Measuring Tools Comparison - June 2025
7 Best Diagnostic Testing Measuring Tools In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2 Best Value  9.7Exceptional | 3  9.6Exceptional | 4  9.5Excellent | 5  9.4Excellent | 6  9.3Excellent | 7  9.2Excellent |
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ModelTOPDON Car Diagnostic Tool ArtiDiag Pro with Online-Coding and Bi-Directional Control, Full Systems Diagnosis Obd2 Scanner with 35+Maintenance Services, 2-Year Free Update, Blue | Model TOPDON OBD2 Scanner ArtiDiag500, Engine Transmission ABS SRS Diagnostic Tool, SAS Calibration/Throttle Reset/Oil Reset, AutoVIN, Car Battery Voltage Test, Wi-Fi Free Update | Model ANCEL AD310 OBD2 Code Reader OBD2 Scanner Universal Car Engine Fault Code Reader, Car Diagnostic Tool for All OBD Vehicles since 1996 & Newer (Black) | Model MOTOPOWER MP69033 OBD2 Scanner Universal Car Engine Fault Code Reader, CAN Diagnostic Scan Tool for All OBD II Protocol Cars | Model TOPDON CarPal A, OBD2 Scanner, All System Diagnosis, Wireless Bluetooth Diagnostic Tool, Vehicle Health Check, Smog Check, Repair Guide, Engine Inspection, Vehicle Performance Test | Model MOTOPOWER MP69038 Car OBD2 Scanner Code Reader Engine Fault Code Reader Scanner CAN Diagnostic Scan Tool - Elite Edition | Model XTOOL AD20 Pro OBD2 Scanner, Wireless Full System OBD2 Code Reader Car Diagnostic Tool, Free Update, Oil Reset, Smog Check, Performance Test, Voltage Test, Engine Fault Code Reader for iOS & Android |
BrandTOPDON | Brand TOPDON | Brand ANCEL | Brand MOTOPOWER | Brand TOPDON | Brand MOTOPOWER | Brand XTOOL |
Reviews | Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews |
Tech Specs | ||||||
product dimensions 24.6 x 13.9 x 3.4 cm 805 g | product dimensions 23.11 x 3.3 x 12.7 cm 1.06 kg | product dimensions 7 x 2.2 x 12.5 cm 272.16 g | product dimensions 15.29 x 6.99 x 2.31 cm 289.17 g | product dimensions 5.08 x 2.54 x 8.38 cm 90 g | product dimensions 15.29 x 6.99 x 2.31 cm 222 g | product dimensions 10.49 x 6.71 x 2.69 cm 30 g |
item weight 805 g | item weight 1.06 kg | item weight 272 g | item weight 289 g | item weight 90 g | item weight 222 g | item weight 30 g |
manufacturer part number ArtiDiag Pro-UK | manufacturer part number AD500-UK | manufacturer part number AD310 | manufacturer part number MP69033 | manufacturer part number Carpal-SCEU | manufacturer part number MP69038 | manufacturer part number XT-AD20 Pro |
customer reviews4.4 4.4 out of 5 stars 160 ratings 4.4 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 682 ratings 4.3 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 42, 822 ratings 4.3 out of 5 stars | customer reviews 4.3 4.3 out of 5 stars 35, 873 ratings 4.3 out of 5 stars | customer reviews 4.4 4.4 out of 5 stars 21 ratings 4.4 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 945 ratings 4.2 out of 5 stars | customer reviews 4.2 4.2 out of 5 stars 126 ratings 4.2 out of 5 stars |
model ArtiDiag Pro-UK | model - | model AD310 | model MP69033 | model Carpal-A-SCEU | model MP69038 | model XTOOL-AD20Pro |
batteries 1 Lithium Ion batteries required. included | batteries 1 Lithium Ion batteries required. included | batteries 1 Lithium Ion batteries required. | batteries 1 Lithium Ion batteries required. included | batteries - | batteries - | batteries - |
special features- | special features - | special features check engine | special features DTC lookup library, Data Flow, Real-Time Graphic View, View Freeze Frame | special features - | special features One-click I/M readiness, Color TFT screen, Mini size design for easy operation | special features Vehicle Performance Test & Battery Voltage Test & Trip Analyze, Full OBD2 Tests, Fault Descriptions, possible causes, possible fixes, severity, Fits for iOS & Android Devices, Oil Reset, Scan All Systems including ABS, SRS Airbag , Engine, Transmission, Body, Brake, etc |
Available On | Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1TOPDON17% OffTOPDON Car Diagnostic Tool ArtiDiag Pro with Online-Coding and Bi-Directional Control, Full Systems Diagnosis Obd2 Scanner with 35+Maintenance Services, 2-Year Free Update, Blue
Why we love it
Comprehensive vehicle diagnostics and maintenance.
Wide compatibility with popular car brands.
User-friendly with quick fault code clearing.
Main highlights- WIDE COMPATIBILITY: this OBD2 code reader works on most US-based cars since 1996, EU-based cars after 2000, and Asian-based cars after 2008, it comes with a 2-year warranty for product quality issues. The product supports 10 languages for user convenience. *Support CAN FD and DOIP*.
- SMART DIAGNOSTIC SCANNER: AutoVin functionality can automatically identify vehicle information to diagnose and repair vehicles faster. One-click to quickly detect and clear fault codes in all systems of the vehicle. This scan tool offers a feedback function. Customers can select the corresponding types of issues they are having and get professional assistance via phone or email at anytime.
- RELIABLE CUSTOMER SUPPORT: TOPDON offers customers a 2-year free software update and 1-year warranty, ensuring full utilization of product features. Our hotline provides 24-hour technical support for prompt problem resolution at support@topdon.com.
- BI-DIRECTIONAL SCAN TOOL: The ArtiDiag Pro car scanner provides exclusive access to vehicle-specific subsystems and component parts. This allows users to analyze and locate faulty parts accurately, including fuel injectors, coolant pumps, windows, wipers, and more.
- ALL SYSTEM DIAGNOSTICS: TOPDON ArtiDiag Pro performs OE-level diagnosis of all systems, including engine, transmission, airbag, ABS, TPMS, and more for 100+ brands. It supports essential functions like reading ECU info, clearing fault codes, and reading data streams.
- 35+ MAINTENANCE SERVICES: TOPDON ArtiDiag Pro car diagnostic tool meets all your needs with 35+ maintenance services, including Oil Reset, EPB Reset, SAS Reset, and BMS Reset. It supports popular vehicle makes like VW, GM, BMW, PORSCHE, MERCEDES-BENZ, and many more. Manage your repair jobs effectively without outsourcing.
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9.7
2TOPDON22% Off
TOPDON OBD2 Scanner ArtiDiag500, Engine Transmission ABS SRS Diagnostic Tool, SAS Calibration/Throttle Reset/Oil Reset, AutoVIN, Car Battery Voltage Test, Wi-Fi Free Update
Why we love it
Supports 57 car brands with ease.
One-click AutoVIN simplifies diagnostics.
Free lifetime updates via WiFi.
Main highlights- 【NEWEST OBD2 SCANNER】This TOPDON Artidiag500 with OE level Engine, Transmission, ABS, SRS system diagnostic scanner 3 Service Functions(SAS Calibration/Throttle Reset/Oil Reset)suits for 57 car brands. One-click AutoVIN, 5.0” 720P touchscreen display, Lifetime update via WiFi, 4-in-1 merged live data graph, battery voltage monitor, Android7.0
- [Newly Added 3 RESET FUNCTIONS] ArtiDiag500 ADDS NEW SPECIAL FUNCTIONS--Throttle Adaptation, Oil Reset, SAS Reset. Before the trip to the mechanic, the TOPDON ArtiDiag500 can do deeper diagnosis for the car system and react with accurate data in minutes. Just Update the software of your ArtiDiag500 scanner, and you’ll get this high-end function at no charge.
- [AutoVIN + 4-in-1 Graphic Live Data + Battery Voltage Monitor + Online Feedback + DTC LookUp Library] Smart AutoVIN saves manual selections to identify car make, model, and year, and heads you towards the proper diagnostics // Max 4 Live Data streams merged for much easier data analysis // Diagnostic feedback Online via this diagnostic tool to help you get tricky repair works well-completed // Real-time car battery voltage monitor reveals the potential car faults.
- [4 System Diagnostics Scan Tool] Access to 4 vital car systems Engine/ABS/SRS/Transmission. Get ECU version info; Pull DTCs with DTC library explanation and 4-in-1 graphic live data to pinpoint faults; Erase DTCs to shut off warning lights after repairs (**For cars made in 2005 and newer) // This OBD2 code reader also brings all modes of obd2 test to handle most emission-related issues, to help you prolong car lifespan with improved performance.
- This scan tool works on most 1996 & newer OBDII compliant vehicles, covering 57 car brands, 10000+ models across America, Europe, and Asia (Malaysia, India, Iran included), with multilingual menu for hassle-free operation (EN, FR, ES, DE, IT, RU, PT, JP, KR). Extended 2 years for any product quality issues. Make sure this obd2 scanner works on your car, or for any support support@topdon.com 24/7.
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9.6
3ANCEL10% Off
ANCEL AD310 OBD2 Code Reader OBD2 Scanner Universal Car Engine Fault Code Reader, Car Diagnostic Tool for All OBD Vehicles since 1996 & Newer (Black)
Why we love it
Easy to use without technical knowledge.
Supports all OBDII protocols and vehicles.
Compact and durable design for easy transport.
Main highlights- 【Warm Tip】ABS/Airbag/SRS Codes NOT Supported, AD310 just supports the engine system diagnosis.
- 【Please Note】Dear customer, if you are not pleased with your AD310 and choose to return it, please kindly mark it unsellable to avoid an used one is resold again to other customers. Appreciate very much!
- 【KINDLY NOTE】Any car brand logo and brand name of car brand appeared in the detail page is to descripe the item is compatible with vehicles. We are not selling products manufactured/sold by any car brand.
- Sturdy and Compact: Equipped with a 2.5 foot cable made of very thick, flexible insulation. It is important to have a sturdy scanner as it can easily fall to the ground when working in a car. The AD310 OBD2 scanner is a well-constructed device with a sleek design. It weighs 12 ounces and measures 8.9 x 6.9 x 1.4 inches. Thanks to its compact design and light weight, transporting the device is not a problem. The buttons are clearly labelled and the screen is large and displays results clearly.
- OBDII Protocols and Car Compatibility: Many cheap scan tools do not really support all OBD2 protocols. This is not the case with the AD310 obd reader as it can support all OBDII protocols such as KWP2000, J1850 VPW, ISO9141, J1850 PWM and CAN. This device also has extensive vehicle compatibility with 1996 US-based, 2000 EU-based and Asian cars, light trucks, SUVs, as well as newer OBD2 and CAN vehicles both domestic and foreign. Check compatibility with your vehicle model before purchasing.
- Home Necessity and Worthy to Own: This is an excellent code reader to travel or home with as it weighs less and it is compact in design. You can easily slide it in your backpack as you head to the garage, or put it on the dashboard, this will be a great fit for you. The AD310 is not only portable, but also accurate and fast in performance. Moreover, it covers various car brands and is suitable for people who just need a code reader to check their car.
- CEL Doctor: The ANCEL AD310 is one of the best-selling OBD2 code reader on the market and is recommended by Scotty Kilmer, a YouTuber and auto mechanic. It can easily determine the cause of the check engine light coming on, quickly read and clear diagnostic trouble codes, read live data & hard memory data, view freeze frame, I/M monitor readiness and collect vehicle information. Instead of taking car to mechanic shop, you can use it to check the trouble code and show code definition by yourself.
- Accurate Fast and Easy to Use: The AD310 obd scanner can help you or your mechanic understand if your car is in good condition, provides exceptionally accurate and fast results, reads and clears engine trouble codes in seconds. If you want to find out the cause of the check engine light, this device will let you know immediately and fix the problem right away without any car knowledge. No need for batteries or a charger, get power directly from the OBDII Data Link Connector in your vehicle.
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Features
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Consumer Reviews
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Popularity
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Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
TopChoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
