Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter

Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter

Brand Sealey

From

£84.95

+ £5.95 delivery

2 offers at 2 retailers

Listed since 7 April 2026

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Description

The Sealey TM103 is a professional-grade auto-ranging digital multimeter designed for accurate electrical testing and diagnostics across a wide range of applications. This 11-function instrument delivers high precision measurements whilst conforming to EN 61010-1 CATIII 600V safety requirements, making it suitable for electricians, maintenance engineers and automotive technicians working with both low and high voltage systems. The auto-ranging function automatically selects the appropriate measurement range, streamlining workflow and reducing user error during complex diagnostic tasks. The large digital display features 2.1 x 24.5mm digits for clear visibility in various lighting conditions, whilst the double-moulded housing with soft grip case provides durability and comfort during extended use. Practical design features include integrated probe and lead storage, an upright stand for hands-free workbench operation, and data-hold functionality for recording measurements. This versatile multimeter measures AC and DC voltage up to 600V, AC and DC current up to 10A, resistance up to 40MO, capacitance up to 100µF, frequency from 9.999Hz to 9.999MHz, and duty cycle from 0.1% to 99.9%. Temperature measurement capability extends from -20°C to 760°C, making it ideal for HVAC diagnostics and automotive applications. Additional functions include audible continuity testing and diode testing for circuit verification work. The auto-power-off feature conserves battery life, whilst the low battery indicator ensures you're never caught without power during critical testing. Supplied complete with a zipped carry pouch with strap for secure transportation between job sites. Features and Benefits: • Auto-ranging functionality eliminates manual range selection for faster, error-free testing • CATIII 600V safety rating ensures protection when working with mains electrical systems • Temperature measurement from -20°C to 760°C for HVAC and automotive diagnostics • Data-hold function allows measurements to be locked for recording • Integrated probe storage and upright stand for organised workbench use • Compact design (150 x 70 x 48mm) fits easily into toolboxes and pouches Specifications: Brand: Sealey Nett Weight: 255g AC Voltage (Accuracy): 400mV (±1.5%), 4V (±1.2%), 40V, 400V (±1.5%), 600V (±2%) DC Voltage (Accuracy): 0-400mV (±0.5%), 4V, 40V, 400V (±1.2%), 600V (±1.5%) AC Current (Accuracy): 400µA (±1.5%), 4000µA, 40mA, 400mA (±1.8%), 10A (±3%) DC Current (Accuracy): 400µa (±1%), 4000µa, 40mA, 400mA (±1.5%), 10A (±2.5%) Resistance (Accuracy): 0-400O (±1.2%), 4kO (±1%), 40kO, 400kO, 4MO (±1.2%), 40MO (±2%) Capacitance (Accuracy): 4nF, 40nF (±5%), 400nF, 4µF, 40µF (±3%), 100µF (±5%) Temperature (Accuracy): -20ºC to 760ºC (±3%), -4 to 1400ºF (±5%) Frequency (Accuracy): 9.999Hz to 9.999MHz Duty Cycle: 0.1%-99.9% (±1.2%) Continuity Audible: Yes Diode Test: Yes Transistor Test: No Hi-Impact Rubber Case: Yes Digits x Height: 2.1 x 24.5mm Low Battery Indicator: Yes Battery (Supplied): 1 x 9V Information: Data-Hold & Auto-Power-Off Size (L x W x D): 150 x 70 x 48mm Weight: 255g Conformity: EN 61010-1

Full specifications

Marque Sealey
Référence fabricant tm103
EAN 5051747492905

Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter in 2026: still the right choice?

With the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter, Sealey offers a solution suited to everyday needs in 2026. Available from 2 retailers on Compiral, this product benefits from real-time price comparison. Each offer is verified and updated several times a day to ensure you have the freshest information. Our platform calculates the total price including delivery costs, so you can identify the true best offer among all listed retailers.

Buy the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter now or wait?

With the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter, Sealey delivers a quality level consistent with its market positioning. This product suits both newcomers and regular users of the Bricolage & Outillage category. Its quick setup and reliable performance make it a recommended choice for anyone looking to invest in durable equipment without facing technical complications in the first weeks of use.

Value for money analysed in 2026

At £90.9, the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter offers value for money consistent with its positioning in the Bricolage & Outillage category. Sealey maintains a consistent quality level across this range, justifying the investment at this price. Compare with other available offers on our comparison tool to ensure you get the best rate at the time of purchase. The Sealey Tyre Lever from the same range may also interest you for comparison.

Serious alternatives to consider

If the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter does not exactly match your expectations, the Bricolage & Outillage category offers other options to explore. Our comparison tool lists all available products with their prices in real time. Filter by budget, brand or availability to find the most suitable alternative for your situation. The Sealey Premier Industrial Drawer Divider is another reference from the same brand to consider.

Market price ranges in 2026

RangeIndicative price
Entry-levelUnder 2570 £
Mid-range2570 £ to 6000 £
High-endOver 6000 £

The Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter is available from several trusted retailers. Always check stock availability and delivery times before finalising your order to avoid any unpleasant surprises. On Compiral, offers showing "In stock" can be delivered quickly, often within 2 to 5 working days depending on the retailer and your delivery address.

Frequently asked questions about Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter

Is delivery free for the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter at all retailers?

Free delivery is not guaranteed for the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter at every retailer. Some include it in their price, others charge separately. On Compiral, use the free delivery filter to display only offers with free postage. The total price shown in our table always includes delivery costs for a true cost comparison.

How do I return the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter if I am not satisfied?

You have a 14-day right of withdrawal for any online purchase, applicable to the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter regardless of the retailer. Precise return conditions vary by retailer: check their returns policy before buying. Statutory consumer rights protect you in the event of a defect discovered after delivery.

Is the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter worth its price in 2026?

In 2026, the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter is listed from £90.9 at our partner retailers. This price is consistent with the positioning of Sealey in the Bricolage & Outillage category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.

What warranty does the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter come with?

The Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from Sealey, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.

Is the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter in stock?

Stock availability for the Sealey TM103 Professional Auto Ranging 11 Function Digital Multimeter is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Bricolage & Outillage category.

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