Skip to main content

Family business since 1978

Over 13,000 workshop tools

Rated Excellent on Trustpilot

Extensive guarantee coverage

Probes & Circuit Testers

Probes & Circuit Testers

Filter options

Browse by & Brand Hide Filters Show Filters

Probes & Circuit Testers

Probes & Circuit Testers

Product
Qty in Cart
Quantity
Price
Subtotal

On Sale

Quick view

Integrated Test Light/Voltmeter 3-48V [AK4012]

Sealey

Now: £35.94
Inc. VAT

MSRP:
Inc. VAT

List: £56.34
Inc. VAT

Now: £29.95
Exc. VAT

MSRP:
Exc. VAT

List: £46.95
Exc. VAT

• Identifies polarity of circuit being tested on LCD display, red for positive and green for negative. • LCD meter draws minute currents making this tool safe to use around delicate electronic components. • With a range of 3-48V DC, this tool is...

Now: £35.94
Inc. VAT

MSRP:
Inc. VAT

List: £56.34
Inc. VAT

Now: £29.95
Exc. VAT

MSRP:
Exc. VAT

List: £46.95
Exc. VAT

Quick view

Qty in Cart: 0

Price:

Now: £35.94
Inc. VAT

MSRP:
Inc. VAT

List: £56.34
Inc. VAT

Now: £29.95
Exc. VAT

MSRP:
Exc. VAT

List: £46.95
Exc. VAT

Subtotal:
On Sale

Quick view

High Voltage Maintenance Combo [HVPDCOMBO]

Sealey

Now: £347.94
Inc. VAT

MSRP:
Inc. VAT

List: £431.94
Inc. VAT

Now: £289.95
Exc. VAT

MSRP:
Exc. VAT

List: £359.95
Exc. VAT

• Professional 2-pole voltage tester CAT IV 1000V for checking high voltage on electric/hybrid vehicles. • Suitable for checking AC mains and DC power supplies between 6-1000V DC and 24-1000V AC. • Can also be used for checking voltage and polarity on...

Now: £347.94
Inc. VAT

MSRP:
Inc. VAT

List: £431.94
Inc. VAT

Now: £289.95
Exc. VAT

MSRP:
Exc. VAT

List: £359.95
Exc. VAT

Quick view

Qty in Cart: 0

Price:

Now: £347.94
Inc. VAT

MSRP:
Inc. VAT

List: £431.94
Inc. VAT

Now: £289.95
Exc. VAT

MSRP:
Exc. VAT

List: £359.95
Exc. VAT

Subtotal:
Quick view

Circuit Tester 6-24V [AK5000]

Sealey

List: £10.74
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £8.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

• Suitable for 6-24V DC circuits. • Insulated body with test light. • Probe tip is covered with protective plastic cap. • Tester illuminates when voltage is present. • Supplied with cable and alligator earth clip.

List: £10.74
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £8.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Quick view

Qty in Cart: 0

Price:

List: £10.74
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £8.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Subtotal:
Quick view

Integrated Test Light/Voltmeter 3-60V [AK4013]

Sealey

List: £68.34
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £56.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

• IDENTIFIES THE POLARITY OF THE CIRCUIT – That is being tested on the LCD, red for positive and green for negative. • WIRE HOOK PROBE DESIGN – Makes piercing wire insulation easier, the hook can be locked out of the way when probing terminals. • LCD...

List: £68.34
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £56.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Quick view

Qty in Cart: 0

Price:

List: £68.34
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £56.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Subtotal:
On Sale

Quick view

Open & Short DC Circuit Detector 6-42V [FF400]

Sealey

Now: £50.34
Inc. VAT

MSRP:
Inc. VAT

List: £73.14
Inc. VAT

Now: £41.95
Exc. VAT

MSRP:
Exc. VAT

List: £60.95
Exc. VAT

• Find short and open circuits quickly and easily. • Simply attach the sender unit to the circuit and follow the wires using the detector. • Ideal for automotive repairs. • Suitable for all DC circuits up to 42V. • Supplied in storage case. • Powered by...

Now: £50.34
Inc. VAT

MSRP:
Inc. VAT

List: £73.14
Inc. VAT

Now: £41.95
Exc. VAT

MSRP:
Exc. VAT

List: £60.95
Exc. VAT

Quick view

Qty in Cart: 0

Price:

Now: £50.34
Inc. VAT

MSRP:
Inc. VAT

List: £73.14
Inc. VAT

Now: £41.95
Exc. VAT

MSRP:
Exc. VAT

List: £60.95
Exc. VAT

Subtotal:
Quick view

Cordless Circuit Tester Buzzer/LED 3-28V [AK415]

Sealey

List: £29.94
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £24.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

• Suitable for testing DC circuits with voltages between 3 and 28V. • No earth clips to get tangled - simply contact the wire to be tested and touch your finger on bare metal ground to get a reading. • Tester illuminates LED, buzzes and vibrates on...

List: £29.94
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £24.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Quick view

Qty in Cart: 0

Price:

List: £29.94
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £24.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Subtotal:
On Sale

Quick view

LED Circuit Tester 6/12/24/48V [AK407]

Sealey

Now: £10.74
Inc. VAT

MSRP:
Inc. VAT

List: £23.94
Inc. VAT

Now: £8.95
Exc. VAT

MSRP:
Exc. VAT

List: £19.95
Exc. VAT

• Suitable for 6, 12, 24 and 48V DC circuits. • LED array indicates polarity and voltage range. • Supplied with 850mm cable and crocodile earth clamp.

Now: £10.74
Inc. VAT

MSRP:
Inc. VAT

List: £23.94
Inc. VAT

Now: £8.95
Exc. VAT

MSRP:
Exc. VAT

List: £19.95
Exc. VAT

Quick view

Qty in Cart: 0

Price:

Now: £10.74
Inc. VAT

MSRP:
Inc. VAT

List: £23.94
Inc. VAT

Now: £8.95
Exc. VAT

MSRP:
Exc. VAT

List: £19.95
Exc. VAT

Subtotal:
Quick view

LED Circuit Tester 3-48V [AK4051]

Sealey

List: £20.34
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £16.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

• Suitable for testing electrical circuits from 3 to 48V DC. • Integral, spring loaded, pointed probe for testing through insulation. • Twin LEDs indicate live circuit and polarity. • Supplied with 0.9m cable and insulated crocodile earth clamp.

List: £20.34
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £16.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Quick view

Qty in Cart: 0

Price:

List: £20.34
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £16.95
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Subtotal:
On Sale

Quick view

Automotive Induction Probe [VS5272]

Sealey

Now: £4.74
Inc. VAT

MSRP:
Inc. VAT

List: £31.14
Inc. VAT

Now: £3.95
Exc. VAT

MSRP:
Exc. VAT

List: £25.95
Exc. VAT

• Quick and easy-to-use. • Ideal for testing ignition coils, fuel injectors and relays. • Powered by 2 x AA batteries (not included). • Not suitable for piezo energised fuel injectors.

Now: £4.74
Inc. VAT

MSRP:
Inc. VAT

List: £31.14
Inc. VAT

Now: £3.95
Exc. VAT

MSRP:
Exc. VAT

List: £25.95
Exc. VAT

Quick view

Qty in Cart: 0

Price:

Now: £4.74
Inc. VAT

MSRP:
Inc. VAT

List: £31.14
Inc. VAT

Now: £3.95
Exc. VAT

MSRP:
Exc. VAT

List: £25.95
Exc. VAT

Subtotal:
On Sale

Quick view

HT Tester Set 4pc [VS5261]

Sealey

Now: £15.54
Inc. VAT

MSRP:
Inc. VAT

List: £22.74
Inc. VAT

Now: £12.95
Exc. VAT

MSRP:
Exc. VAT

List: £18.95
Exc. VAT

• Set allows single or multiple testing. • Simply fit tester between spark plug and HT lead and then run engine. • Regular flashing of the testers indicates a good HT supply. • Not suitable for engines with deeply recessed plugs.

Now: £15.54
Inc. VAT

MSRP:
Inc. VAT

List: £22.74
Inc. VAT

Now: £12.95
Exc. VAT

MSRP:
Exc. VAT

List: £18.95
Exc. VAT

Quick view

Qty in Cart: 0

Price:

Now: £15.54
Inc. VAT

MSRP:
Inc. VAT

List: £22.74
Inc. VAT

Now: £12.95
Exc. VAT

MSRP:
Exc. VAT

List: £18.95
Exc. VAT

Subtotal:
Quick view

In-Line Ignition/HT Spark Tester [VS526]

Sealey

List: £11.70
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £9.75
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

• Tests HT supply to spark plug. • Quick and simple fault diagnosis.

List: £11.70
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £9.75
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Quick view

Qty in Cart: 0

Price:

List: £11.70
Inc. VAT

MSRP:
Inc. VAT

List:
Inc. VAT

List: £9.75
Exc. VAT

MSRP:
Exc. VAT

List:
Exc. VAT

Subtotal:
On Sale

Quick view

Relay Tester [TA131]

Sealey

Now: £69.54
Inc. VAT

MSRP:
Inc. VAT

List: £105.54
Inc. VAT

Now: £57.95
Exc. VAT

MSRP:
Exc. VAT

List: £87.95
Exc. VAT

• Health test for 4 and 5-pin electro-mechanical relays commonly found on modern vehicles. • Test feature will cycle the relay 10 times, testing the resistance, contacts and consistency within each cycle. • If a cycle fails on the test then this will be...

Now: £69.54
Inc. VAT

MSRP:
Inc. VAT

List: £105.54
Inc. VAT

Now: £57.95
Exc. VAT

MSRP:
Exc. VAT

List: £87.95
Exc. VAT

Quick view

Qty in Cart: 0

Price:

Now: £69.54
Inc. VAT

MSRP:
Inc. VAT

List: £105.54
Inc. VAT

Now: £57.95
Exc. VAT

MSRP:
Exc. VAT

List: £87.95
Exc. VAT

Subtotal:

Total: items /

Adding your products to cart

View Cart Continue Shopping

Items 1 to 12 of 26 total

1
2
3
Next