For sale is a Scientific Columbus Exceltronic II, Model XLGW20E4-A1 Watt Transducer. Made in the USA by Esterline - Scientific Columbus. Unit is labeled: 2-Element, 3-Phase, 3-Wire, Delta. Input: 120V / 60 Hz. at 5 amps / 0 to 1,000 watts. Output: 4 to 20 mA DC into a 0 to 750 Ohm load. This Scientific Columbus Watt Transducer is factory sealed and appears to be in superior condition.