Never used,just opened
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NEW Digital Breath Alcohol Tester Professional Breathalyzer With LCD Display USB Rechargeable Electronic Alcohol Tester Keychain
Aliexpress UK
The AVO Megger CM500 Multifunction Installation Tester is a high-quality digital meter designed for testing and inspection purposes in various industrial and business settings. With the Seaward Checkbox 16, users can easily test and measure electrical installations for compliance and safety. The Megger brand is known for its reliability and accuracy in providing essential measurements for efficient and secure electrical systems. Ideal for professionals in the electrical industry, this multifunction tester offers a range of features to assist in troubleshooting and ensuring optimal performance.
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ANENG PT1004B Digital Multimeter Test Leads 1000V 10A Probe Tester Cable Combination Measuring Probe Cable for Tester Multimetro
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. 
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Clamp/Single Probe/Fixture for RC3563 High-precision Battery Voltage Internal Resistance Tester 4-wire AC Lithium Lead Tester
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.
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Voltage Meters Current Voltage Capacity Battery Tester USB/Type-C Volt Current Detector Charger Capacity Tester Meter DC 4-30V
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.
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AMPCOM Network Cable Tester LAN Wire Tester Tool Networking Tool Ethernet Cable Repair For RJ45 RJ11 RJ12 CAT5 CAT6 CAT7 CAT8
Aliexpress UK
Megger MIT400/2 1KV Insulation Resistance and Continuity Tester
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Water Quality Detection Pen 2 in 1 TDS Meter Drinking Water Purity EC Meter High Accuracy Digital PH Tester Water Quality Tester
Aliexpress UK
The Evershed and Vignoles 100V Megger insulation resistance tester is a very old but reliable testing tool made by the well-known brand Megger in the United Kingdom. This unit has a test voltage range of 0-100 and is designed to accurately measure insulation resistance. Perfect for businesses and industrial settings, this Megger unit is a valuable asset for ensuring quality and safety in electrical systems. Don't know if this is working? but it winds up and the metre moves. not sure of the age? but looks old and in good condition.
eBay
High Accuracy Professional Jeweler Diamond Tester Ruby And Sapphire Detector Gold Purity Testing Machine For Analysis Tester
Aliexpress UK
The flip lid is missing. Comes boxed with leads
eBay
MF9 Transistor Tester Diode Triode Capacitance Resistance Meter 1.8inch LCR ESR Meter NPN PNP MOSFET Tester TFT Graphic Display
Aliexpress UK