618259 Trumeter AMMETER, NEG LCD WITH OUTPUTS - Trumeter APM-M1-APO, The APM M1 is a versatile 3-in-1 meter configurable to measure voltage, current, or frequency, making it ideal for a wide range of applications. It operates on 12-24V AC/DC, while those needing a 100-240V AC mains-powered option can opt for the APM M2. Its unique display blends analogue readability with digital precision, featuring a large readout, a 40-segment bar graph, and a colour-changing backlight for instant feedback. Highly customizable via free APM software, users can adjust scale, range, alarms, colour changing and intensity, messaging and more. The meter includes two independent outputs that can function as digital (open collector) or analogue (4-20mA), providing flexibility for various applications and the positive LCD is designed for bright environments, with black figures on a colour-changing background Combine the M1 with the APM Gateway and its free subscription to Trumeter Cloud to unlock remote mon