Martindale VT12 Voltage & Continuity Indicator with Lockout Starter kit

The Martindale VT12 is an excellent value Voltage & Continuity tester. Constructed in accordance with the latest safety standards and guarantees safe and reliable measurements and testing.

This robust tester has automatic AC/DC detection up to 690V and continuity testing with optical and acoustic indication up to 200k Ohms, with polarity indication.

With bright LED indication and the ability to give a full voltage indication, even without batteries, the VT12 is the ideal tool. Built to the usual high standards that you have come to expect from Martindale, it meets EN61243-3, IEC 61010 and is CAT III 690V rated.

This tester is GS38 Compliant.

It is ergonomically designed and durable enough for both industrial and domestic use. This tester is compatible with the Martindale PD690 proving unit.


Voltage Range
12 – 690V AC / DC

LED Resolution

+/- 12V, 24V, 50V, 120V, 230V, 400V, 690V

AC / DC Voltage Detection

Range Detection

Frequency Range
DC, 0 – 65Hz

Continuity Test
Optical / Acoustical

Continuity Range
0 – 200kO

130g approx

205 x 67 x 27mm

Lockout Starter Kit (LOS-K1)

Product Details:

The Leaderman Starter kit gives you the basic requirements to carry out a safe and secure lockout. Ideal for electricians and engineers who regularly work on various applications where power is isolated via circuit breakers or electrical isolators. Up to date models all supplied in a soft but strong pouch.


  • 1x LMLOK25 multiple lockout device to allow more than 1 padlock to be applied at any point of isolation
  • Silverline screwdriver
  • 1x LMPL8 Lock out padlock
  • 2x LMP1 Red Metal Mini padlocks
  • 3x LMTAG3 Lockout tags
  • 10x cable ties
  • 1x LMWP1 Label pen
  • 2x MCB Metal MCB
  • 1x LM Leaderman Pouch
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