Product Description The Elcometer 270 range utilizes the wet sponge technique and has been designed to set a new standard for wet sponge pinhole detectors – a high quality, low voltage detector with similar accessories to a high voltage spark tester. Voltage: 9V, 67.5V & 90V Supplied ready to use Automatic sensitivity calibration and voltage checks Low battery indicator Visual and audible alarms Integral and separate wand functionality A wide range of fully interchangeable wand accessories Easy release snag proof cables Large standard sponge An inspection kit for all your requirements is available