Bi-Directional 12v Analogue Panel Voltmeter. DC. + or - 15v range (full scale deflection) Simply wire across the power terminals or the track to measure the voltage available. Bi-directional means you don't need to worry about getting the polarity correct - the needle swings in either direction - reverse/forward voltage will be displayed. Width 64 mm Height 56 mm Depth 52 mm Exact dimension on diagram - please see photographs Supplied with nuts. * ALSO listed Bi-directional Ammeter 2a range. If you would like to buy both, put them in your basket and request an invoice for discounted postage.
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