Advanced Panel Meters Trumeter Advanced Panel Meters (APM) feature a family of AC and DC panel meters for digital monitoring solutions in industrial applications. The meters offer digital and analog outputs with fully customizable alerts, scales, and ranges via plug-and-play software. The APM family has dynamic backlighting in red, green, and white, ensuring high visibility in factory environments. Each Trumeter Advanced Panel Meter provides a four-digit starburst display messaging to instantly alert operators to problem conditions. The APM portfolio includes 15 meters for various measurements and applications: Amp, CT, Frequency, M1/M2, MAX M21/M23, Power, Process, Rate, Micro, Shunt, Temperature, and Volt.