The ADVANCED PANEL METER (APM) provides instant visual feedback to the operator. The display can be programmed to clearly indicate normal, over and under conditions. Providing simultaneous analogue and digital values, the APM is designed as a Voltmeter, Ammeter, Frequency Meter and Process Meter (each a different model). With optional outputs, programmable background colours (positive or negative mode), programmable flashing background display if values exceed set values, programmable scaling ...