eBay
IP Camera Tester IPC 9800 Pro 8K 8MP CCTV IPC 7 inch Monitor H.265 4K HDMI Video POE IP PTZ CCTV Tester Cable Testing VGA HDMI
Aliexpress UK
250 Volts Megger Tester Baker Light Case with Leather Carry Case For Cosmetic condition, please see photos. Rare to see one with the original leather case. Handle turns well with positive drive, have no way to test so sold as untested.  Any questions, please just ask. 
eBay
Grip Strength Tester Electronic Tester 396Lbs/180Kg Digital Dynamometer Grip Strength Meter USB LCD Screen Hand Grip Dynamometer
Aliexpress UK
Item Type: Insulation Resistance Tester. 1 Insulation Resistance Tester. Insulation Resistance: 250V:1MΩ ~200MΩ, 500V:1MΩ ~200MΩ, 1000V:10MΩ ~2000MΩ, basic accuracy: ±(4% reading ±2 words). Overload Protection: 100mA 60V self recovery fuse.
eBay
Portable Non-Contact Alcohol Tester with LED Digital Display Alcoholmeter Alcohol Tester Accuracy Breathalyzer Diagnostic Tool
Aliexpress UK
This carry case is ideal for electricians, testing engineers, and field technicians who need a practical and hands-free solution for transporting their multifunction testers and accessories. 2 extra Velcro secured accessory holders inside.
eBay
Multi-function Type-C Voltage Tester Color Screen Digital Power Meter Voltage Current Monitor Charging Tester DC 4-30V 0-12A
Aliexpress UK
The rugged design includes a hard base, secure latches, and a professional appearance, making it an ideal choice for electricians, technicians, and engineers who require both protection and convenience.
eBay
6~10PCS -50~ +70°C Mini Digital Thermometer Hygrometer Fridge Freezer Tester Temperature Tester Sensor Humidity Meter Detector
Aliexpress UK
eBay
Barrow Computer Water Cooling Water-proof Leak- Seal Tester Air Pressure Airtightness Test Tool Leak Tester GJQM-01
Aliexpress UK
Megger PAT-2 Portable Appliance Tester - RS 612-243. Condition is Used. Dispatched with Royal Mail Tracked 48.
eBay
NEW! Handheld Rechargeable LED Integrated Circuit Tester Transistor Diode Triode Tester Digital Transistor IC Chips Detector
Aliexpress UK
With a redesigned case with built-in backstand for hands-free use, plus new features, this product is ideal for use in both electrical and industrial inspections. It's also possible to use this tester to perform PI (polarisation index) and DAR (dielectric absorption ratio) tests.
eBay
Dual USB Current Voltage Charging Detector USB Charger Tester Doctor Battery Voltmeter Ammeter Battery Capacity Tester
Aliexpress UK