||DEI Two-Wire Process Indicator
||4428 and 4370
You are bidding on two DEI MODEL 4400 SERIES 3 1/2 DIGIT
TWO-WIRE PROCESS INDICATORS.
They are brand new still in box.
The dei 4400 series are precision instruments that indicate digitally the value of a process measurement as represented by a standard 4-20 or 10-50 miliampere current signal. Wide-ranging zero and span adjustments allow the indicators to be calibrated by DEI or the user to indicate the measured variable in such engineering units as degrees, p.s.i, gallons per hour, etc. The indicators, which derive their operating power directly from the measured current, are designed to be intrinsically safe when used with an approved safety barrier.
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