Smiths Telemetrix Ammeter - 52mm, -30 to +30 Amps, 12V Maintain the integrity of your classic car's electrical system with the Smiths Telemetrix 52mm Ammeter. Designed with simplicity and reliability in mind, this ammeter offers real-time monitoring of your vehicle's current draw and charging performance-essential for keeping older electrical systems in check. 52mm Ammeter with cirrus white dial, black print and red pointer. 1/2 round chrome bezel. SMITHS logo on dial.12V illumination. Available in -30 – +30 and -60 – +60 range Key Features: Cirrus white dial, black print and red pointer. -30 to +30 Amps Range - Clearly displays both charge and discharge, ideal for monitoring alternator or dynamo output. Designed to work with standard 12-volt classic car electrical setups. 52mm Diameter - Standard size for straightforward fitment into most classic instrument panels. Whether you're preserving a period-correct dash or upgrading a heritage build with reliable instrumentation, the Smiths Telemetrix Ammeter offers essential functionality in a style that stays true to your classic's character.