Did you know? Andreas Stihl patented the first electric chainsaw in 1926 and the first petrol chainsaw in 1929 — earning the title Father of the Chainsaw.
Did you know? Johan Petter Johansson invented the modern adjustable wrench (spanner) in 1892 while working at Bahco — the tool used by every tradesperson today.
Did you know? A British company that manufactures router cutters, saw blades, and the famous AirShield Pro — one of the first powered respirators for woodworkers.
Did you know? Invented the first portable circular saw in 1927 and pioneered the dust extraction system that is now standard in professional workshops.
Did you know? Started by making carbon-filament lamps. The Philips head screw was NOT invented by Philips — it was invented by Henry F. Phillips, a completely different person.
Did you know? One of the oldest British chemical manufacturers, originally producing turpentine substitute. Their wood preservers have protected UK homes for over 145 years.
Did you know? The name comes from "Cuprum" (Latin for copper) and "Naphthol" — copper naphthenate was the original wood preservative formula invented in 1911.
Did you know? British General (BG) has been the UK's go-to brand for electrical accessories since WWII. Their white moulded sockets are installed in millions of British homes.
Did you know? Originally a mail-order screws company called "Woodscrew Supply Company". Now the UK's largest multi-channel trade supplier with 870+ stores and same-day Click & Collect.
Did you know? Owned by Travis Perkins Group, Toolstation grew from a single store to 580+ branches in just 20 years — opening a new store almost every week.
Did you know? ITS (Industrial Tool Supplies) is one of the UK's largest independent tool retailers, known for competitive pricing and fast delivery across their 30+ trade counters.
Did you know? Named after founders Richard Block and David Quayle. B&Q opened the UK's first warehouse-style DIY store in 1980, changing how Britons shop for home improvement.
Did you know? A fast-growing online-only tool retailer specialising in premium brands like Milwaukee, Makita, and DeWalt with competitive pricing and expert product knowledge.
Did you know? Started as a small family business, Power Tool Mate has become one of the UK's most trusted online power tool specialists with over 100,000 satisfied customers.
Did you know? Tools4Trade is known for their detailed product videos and expert reviews, helping tradespeople make informed buying decisions before purchasing.
Did you know? Famous for their massive 25,000 sq ft flagship store in Devon — a destination for woodworkers worldwide. They manufacture their own brand of lathes and machinery.
Did you know? SGS specialises in air compressors, generators, and workshop equipment. They design and manufacture many products under their own brand name.
Did you know? Toolden has rapidly grown into a go-to online store for tradespeople, known for their clean website design, fast shipping, and excellent customer service.
Did you know? City Electrical Factors (CEF) is the UK's largest electrical wholesaler with over 450 trade counters. They hold £150M+ of stock for same-day availability.
Did you know? One of the oldest companies in the UK, Travis Perkins traces its origins to 1797. The group also owns Toolstation, Wickes, and several other major trade brands.
Did you know? Power Tool World is a family-run business that has grown into one of the North East's largest power tool retailers with a massive online catalogue.
The Draper ETOT 12V Lambda Oxygen Sensor Tester and Simulator is a professional diagnostic tool designed for testing and simulating both Zirconia and Titania lambda sensors on petrol and diesel vehicles. This versatile device works with 1-4 wire oxygen sensors, whether heated or unheated, making it suitable for diagnostic work across a wide range of modern and older vehicle systems. The tester can simulate both rich and lean fuel mixtures, allowing technicians to monitor the ECU's response and verify proper engine management system operation. An integrated LED display shows the crossover signal from the sensor, providing clear visual feedback during testing. The included wire piercing clamp on the positive lead enables quick connection checks and wire identification without the need to strip insulation, speeding up diagnostic procedures. Ideal for professional mechanics and automotive electricians performing emissions diagnostics, fault-finding on engine management systems, or verifying lambda sensor functionality during MOT preparation and tune-ups. The compact design and 2m positive and negative leads provide practical reach for workshop diagnostics. Features and Benefits: • Tests and simulates Zirconia and Titania lambda/oxygen sensors • Suitable for 1-4 wire sensors - heated and unheated • LED indicators for clear signal feedback • Wire piercing clamp included for quick connections • Compatible with both petrol and diesel vehicles Specifications: Power supply: 12V vehicle battery Zirconia: 1V Titania: 1V and 5V Fuel type: Petrol and diesel Positive and negative lead length: 2m Test probe lead length: 450mm Tester battery: 9V (not supplied) Dimensions: 140 x 90 x 35mm Weight: 311g Contents: 1 x 12V Lambda Tester and Simulator
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Draper ETOT 12v Lambda Oxygen Sensor Tester and Simulator
