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⚡ Buzz your way to flawless sockets—because safety should never be silent!
The Martindale BZ101 (Buzz-It) is a compact, battery-free 240V socket tester featuring an audible buzzer that detects 28 fault conditions. Designed for professionals needing quick, reliable diagnostics in hard-to-access locations, it doubles as a basic fuse finder and weighs just 60g, making it an essential tool for electrical safety and efficiency.
| ASIN | 9792280413 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 774 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 10 in Electrical Testing |
| Colour | Yellow |
| Customer Reviews | 4.7 4.7 out of 5 stars (630) |
| Date First Available | 29 May 2010 |
| Included components | 1 x Martindale Buzz-It Socket Tester |
| Item Package Quantity | 1 |
| Item Weight | 60 g |
| Item model number | BZ101 |
| Manufacturer | Martindale Electric Co Ltd |
| Measurement Accuracy | 5% |
| Measurement System | Metric |
| Number of Pieces | 1 |
| Part number | BZ101 |
| Power source type | Battery Powered |
| Product Dimensions | 6.5 x 6.5 x 4.7 cm; 60 g |
| Size | 187.35 cubic centimeters |
| Style | Simple |
R**Z
Great tool
Great tool, I have used it a hundred times already and still working great and the buzzer has come in handy many times
B**N
Works as expected
The tester worked as expected. Easy to use and understand. Always useful to check out new sockets and have used it on a new extension lead. Good price.
M**N
Good bit of kit
Well made and works well. the buzzer is loud enough to be useful. Good bit of kit.
P**R
Easy to use and reassuring gadget for testing UK mains sockets
I purchased this to check if my electrical sockets were wired correctly. You just plug it in and it buzzes if all ok and shows 3 red lights. If there is a problem it shows different combinations of lights telling you what the fault is. Good value for money especially if it saves lives.
I**O
Good one
Perfect
P**N
A must have for any DIYer
Absolutely perfect to test some sockets that I replaced in my home
G**S
Plug in tester
Great product, Easy to use.
R**4
Is all well?
I have purchased this as I was reluctant to change a very expensive double socket with usb sonnections, I was pretty sure it could not be faulty. Having tested the socket, I realised that electricty was geting there, but plugged things were not working. I changed the socket, tested it with this and following the lighting advise, was secured in knowledge all was well. I decided to use this in all my sockets to check quality of my circuits, as like all people, plugs etc have been added to the original house electrics. Super happy now knowing, the electric sockets and circuits are running perfectly and are in the normal circuit readings.
Trustpilot
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