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.
# Output The Draper DMM403 is a pen-type digital multimeter designed for voltage, current and resistance testing in electrical installations and maintenance work. Combining both auto and manual ranging capabilities, this compact multimeter provides the flexibility to switch between modes depending on your testing requirements, making it ideal for electricians, heating engineers and facilities maintenance professionals. The backlit LCD display ensures clear readings even in poorly lit environments such as under-sink units, behind equipment or in service cupboards. For added convenience, the integrated inspection torch illuminates the work area, whilst the continuity buzzer provides instant audio confirmation when testing circuits. Non-contact voltage detection adds an extra layer of safety when working with live installations, allowing you to check for voltage presence before commencing work. Built for practical trade use, the DMM403 features automatic power-off to preserve battery life and data hold functionality to capture readings in awkward positions. The unit measures resistance up to 20MO and handles both AC and DC voltage testing up to 600V, making it suitable for a wide range of domestic and commercial electrical testing applications. Complete with test leads and a protective carry case, this multimeter is ready to use straight from the box. Features and Benefits: • Auto and manual ranging for flexible testing across different applications • Non-contact voltage detection for safer working with live circuits • Backlit LCD and integrated inspection torch for working in low-light conditions • Continuity buzzer provides instant audio confirmation during circuit testing • Data hold function captures readings in difficult-to-access locations • Supplied with test leads and carry case for immediate use and protected storage Specifications: AC Amps: 20mA/200mA AC Current: 20mA/200mA AC Voltage: 2V/20V/200V/600V Automatic Power Off: Yes Battery: 1 x 6F22 9V (not supplied) Capacitance: N/A DC Amps: 20mA/200mA DC Current: 20mA/200mA DC Voltage: 200mV/2V/20V/200V/600V Diode on/off Test: Yes Dimensions: 272mm x 132mm x 60mm Duty Ratio: N/A Dwell: N/A Frequency: N/A Resistance (Ohms): 200O/2kO/20kO/200kO/2MO/20MO Symbol Unit Data Hold: Yes TACH: N/A Temperature Range: N/A Weight: 306g (approx.) Contents: 1 x Draper Expert Manual & Auto-Ranging Pen Type Digital Multimeter
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Draper DMM403 Pen Type Auto Ranging Digital Multimeter
