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The Martindale VT12 is a professional-grade two-pole voltage and continuity tester designed for both electricians and savvy DIYers. It measures AC/DC voltages from 12V up to 690V with 5% accuracy, features optical and acoustic continuity testing up to 500k Ohms, and includes GS38 compliant probe caps for enhanced user safety. Compact, lightweight, and CAT III 600V rated, it delivers reliable, instant voltage readings and continuity checks, making it an essential tool to prevent electrical hazards and ensure safe, confident home or professional electrical work.







| ASIN | B004NU2TM0 |
| Batteries Required? | Yes |
| Batteries included? | No |
| Best Sellers Rank | 3,829 in DIY & Tools ( See Top 100 in DIY & Tools ) 7 in Voltage Testers |
| Certification | BS EN 61243-3 2014 |
| Colour | Yellow |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,330) |
| Date First Available | 1 Jan. 2010 |
| Included Components | 1 x Martindale Two Pole Voltage and Continuity Tester and batteries |
| Item Package Quantity | 1 |
| Item Weight | 130 g |
| Item model number | VT12 |
| Manufacturer | Martindale Electric Co Ltd |
| Measurement Accuracy | 5% |
| Measurement System | Metric |
| Number of Pieces | 1 |
| Part Number | VT12 |
| Pattern | Single |
| Power Source | Battery Powered |
| Product Dimensions | 20.5 x 6.7 x 2.7 cm; 130 g |
| Size | Small |
| Style | Industrial |
M**E
Safe, easy to use and reliable
Get one. if you are an amateur, sorting out sockets and ceiling roses and switches in your house.. or even checking continuity in a broken electronic device to rule out if its a connection issue. many of us, myself included.. are NOT electricians who are looking to buy one of these. if you are then chances are you have one or two sets of the very expensive ones. they would be more durable and trade rated or whatever. even though this is more than capable for trade use. for the average diy person the price is considerably more expensive than one of those little screwdrivers that light up, but that is probably what you have been using before looking at one of these right? bin them. they are fine for messing about with 12v circuits or whatever. but not 240v!! this martindale device ensures that its made out of the right materials so that you cant get zapped through the plastic housing. it beeps and shows the right led when touching the probes together. you know its working then and the batteries are good. you can buy an additional proving device to ensure its reading the correct voltage before attempting to mess with any connections, get it if you are in doubt and value your life! but for an average diy person. who has the power shut off and nobody will accidentally turn it back on, this device is perfect. i tested it on a live socket. it gives this angry beep sound. a bit different to the standard beep for continuity testing. and showed the right voltage (240v). all you do is connect the yellow device end to live and itl read the voltage to tell you its live. its a real time and life saver. just stick it in your back of electrical stuff, and whenever you are going to change some switches or sockets or whatever.. use this device on it. turn off the power. use this device again. and if you want.. use it again! just to be sure! its a protective shield between you and a nasty shock or instant death! a great thing to pair with this is a socket tester. its a little plug that will show you if the live and neutral are correct. if the socket works and is live and also has an rcd function to trip the circuit. they arent expensive but go well with this. i plug it in, if it lights up... socket is live. so i test with the probes then to see if the probes really are working. i also check then when all installed. sockets are easy peasy for an electrician. they install so many. for a diy person u probably only change a socket once or twice and mostly for cosmetic reasons! but get this to be safe. and also to enjoy working on things at home. if you have no idea what im talking about with continuity or 240v and 12v etc.. then best to not buy this and to call an electrician haha that being said. still buy one of those socket tester plugs. check all of ur sockets at home and check that the trip switch activates. thats a good one to get for anyone
N**L
Must have product if you're near electric
Perfect, never get an electric shock again. Very easily used
K**R
Sometimes you get more than you pay for.
Cheap and useful Bellset and voltage indicator I got a second incase it breaks it's that useful
J**M
Dies the job well
Excellent product, does the job well
C**R
No sparky. No ripoff.
Good tool. Always a good idea to be safe. Easy to use when doing those risky DIY electrical jobs. Much cheaper than an electrician.
N**K
Nice
Nice. Does what I need it to
R**2
good product
happy with it - bit more expensive than other alternatives. BUT what price can you put on safety with electrics...... no controls ot selector on it and easy to test for someone with reasonable knowledge. buy once and use for a lifetime with the quality. Probes insulated and the quality is there. No H&S advice - required as it's a product review - not a H&S forum....
J**N
Does it's job
Someone commented doesn't do Continuity, well it does. Also like how you know if it's 12v, 50v or 200v with LEDs as a rough guide, so you'll need a good meter to then know exactly, but this checks Continuity and warns of a live cable/surface. Could save your life, but my moan, the batteries require sliding in the bottom, oo err, then screwing, dear me, then they run out of life after a few days. So have to remove every time want to use. Shame it drains so much, or not having a disconnect button, but danger then is that it disconnects accidentally not realising. Quick to test, just touch tips before testing. It will beep if batteries are good.
O**M
Parfait pour les tensions et la continuité. Utilisation en pro
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