Model LPM LCD Loop Powered Meter with Serial & USB I/O for I.S., Mil-Spec, Nuclear and H.D. Industrial Features    PDF file 4½ Digits, ½" High Loop Powered, Low Burden 100% Metal Housing Nickel Plated Captive Screw Terminal Connector RS232, 485 or USB I/O NEMA 4X, EMI / RFI Gaskets
Same Housing, Different Specs:	Series PM   Model Hi-QREM   Model BCDPM
	Model LEDPM   Model LPE
Different Housing, Similar Specs:	Model 521   Model GL-151   Series 900
	Model 6071   Model 6171   Model LPI
	Model NISOL   Model 420