Triple bargraph indicator/controller has isolated (or independent) channels, each with its own A/D, micro controller, relays, outputs and serial port. Designed to meet Class 1E requirements and complying with MIL standards 461 and 167, this unit features 51-segment LED automatic tricolor displays, multiple input/output options, tested and proven firmware, and is 3 in. deep. A metal housing provides for EMI/RFI protection. Specialty math functions include x-y linearization, tare, offset, scale and peak, programmable via serial port.