FAA STC’d as a Primary Replacement. Upgrade your aircraft panel with the most precise and stable volts/amps instrument. The VA-1A fits flush into an existing 2 1/4″ hole. A switch on the back of the instrument allows installers to easily choose between 12 and 24-volt systems. LCD is sunlight viewable and backlit for night operation.

VA-1A: (STC’d and PMA’d) Provides precision Volts and Amps readings. Offers both a “High Volts” and a “Discharge” warning light. Runs on a 12 or 24-volt system. This model comes with an internal S-50 shunt.

VA-1A-XX: The VA-1A-xx can be calibrated to match any aircraft external shunt (i.e. 50 amp, 50mV external shunt must use a VA-1A-50). Order must specify shunt value. (shunt sold separately)

Specifications: Accuracy: 1%. 2 1/4” Mount. 2.5” Depth. 9 Oz. Unit. Viewable in direct and indirect sunlight. Backlit for night operation. Operates from 7.0 to 40 volts at .1 amp.