High-Contrast LCD Display: Large 9mm digits visible in all lighting conditions, showing 3V to 42V readings. Multi-Function Automotive Circuit Tester: Diagnose short circuits, bad earths, continuity, and polarity with ease.
eBay
Optocoupler Tester Transistor Tester Electronic Repair Tester For testing optocouplers, IGBTs, transistors, NMOS/PMOS devices
Aliexpress UK
Model: AK4010. Sealey Hybrid Vehicle Circuit Tester 12v - 42v. Sealey Hybrid/Electric Vehicle Circuit Tester 12v-42v. Pointed probe tests through wire insulation.
eBay
Electrical Testers Tester Pen 100-500V Electric Test Multifunctional Test Pencil Slotted Double-Headed Screwdriver Tester Pen
Aliexpress UK
Model No AK4030. Probe tool allows continuity and polarity tests to be carried out quickly and efficiently on 6, 12 and 24V systems. Polarity indicated by red/green LEDs respectively. Supplied with 1.5m cable and shrouded earth clip.
eBay
New Soil pH Meter 3 in 1/4 in 1 PH Light Moisture Acidity Tester Soil Tester Moisture Meter Plant Soil Tester Kit for Flowers
Aliexpress UK
Suitable for testing DC circuits with a voltage between 3 and 28V. No earth leads to get tangled - simply contact the wire to be tested and touch your finger on bare metal ground to get reading. Tester illuminates LED, buzzes and vibrates on contacting live wire. Model No. AK415 .
eBay
Watch Waterproof Machine Watch Waterproof Tester Water Pressure Tester Widely used by watch repairers Watch Waterproof Tester
Aliexpress UK
Includes hold and peak functions for detecting current surges. Features large LCD display with digital and graphical current read out. Plugs straight into the vehicle's fuse board and supplied with Mini, Standard and Maxi style blade adaptors.
eBay
9V Buzzer Tester Wire Tester PCB Cable Switch Products Switch Tester With Wire Pen Crocodie Clip Cable Test Tool
Aliexpress UK
The lightweight design at just 50g makes it highly portable and suitable for inclusion in any automotive or electrical toolkit. Ladders & Lift Trucks. Travel & Outdoors. Twin LED indicators provide clear visual confirmation of both live circuit presence and polarity, enabling quick and accurate circuit analysis even in poorly lit working conditions.
eBay
Digital PH Meter HT‑1202 High Precision Digital Water Quality Tester PH MV Tester Temperature Meter 0~14PH PH Tester PH Meter
Aliexpress UK
Circuit Tester 6-24V. • Suitable for 6-24V DC circuits. • Knurled brass body with test light. • Probe tip is covered with protective brass screw cap. • Supplied with cable and alligator earth clip.
eBay
CCTV Tester IPC Tester Cable Tracker Device used for cable tracer APP suitable for CCTV Tester IPC1800 IPC5100 IPC5200 IPC9800
Aliexpress UK
Part Number: AK4030. Probe tool allows continuity and polarity tests to be carried out quickly and efficiently on 6, 12 and 24V systems. Polarity indicated by red/green LEDs respectively. Supplied with 1.5m cable and shrouded earth clip.
eBay
Durometer Meter Shore Type rubber hardness tester A/O/D Rubber Tire Durometer Hardness Tester Meter 0‑100 HA Hardness tester
Aliexpress UK