The UEi Test Instruments em201b-n is in our catalogue: standard logo nist.png, display units INWG, mbar, Pa, psi, pressure range -60 in. wc to +60 in. wc.
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UEi Test Instruments · EM201B-N
Uei Test Instruments Em201b-N Digital Manometer, -60 Inch Wc To 60 Inch Wc, Nist Traceable Certificate