These UL/C-UL and CE listed digital panel meters provide red 0.56-inch 4-digit LED displays. They are calibrated to accept process voltage and current inputs, 100 Ohm RTDs and common thermocouples. Providing push-button setup and programming on a sealed keypad, Trident Digital Panel Meters include Modbus serial communication, two relays to permit pump alternation and an isolated, linearized 4-20mA output. Trident Digital Panel Meters are priced from $199 to $399, depending on options, and include a three-year warranty.