Looking for a different Trumeter APM?

 
The Trumeter APM-MAX-M23-NU-4R is an all in one advanced panel meter for measuring amps, voltage, frequency, or power.  The APM MAX M21 is well suited for high voltage applications and features a full-color RGB backlight for endless configuration options.  The meter includes Modbus RTU and/or Modbus TCP/IP for seamless integration and has a 25% larger screen than a standard APM.