Instrumentation
	Pressure	Gauges
	Handheld Digital Manometer        477A				Handheld Digital Manometer      HM28
		The 477A contains a highly accurate				High Accuracy(0.2%,0.1% or 0.05%),
		differential pressure sensor that				Differential, Gage or Absolute.
		offers a 0.1% full scale accuracy on				The unit incorporates a variety of
		air ranges from 20" w.c. to 100 psid.				features in an easy to use format that
		477A are packed with features				makes it useful in a wide variety of
		needed to make pressure				applications. Features include:
		measurements and recording faster,				measurement in all common pressure
		easier and more accurate than ever.				ranges, display resolution to 0.001,
						differential or relative measurement.
	Digital Manometer	476-0			Digital Differential Manometer     478-0
		Single Pressure Measurement,				Quickly verify filter condition, monitor
		Electronic Zeroing, ±1.5% Accuracy.				cleanrooms, troubleshoot HVAC
		Ideal for field or laboratory use, the				systems, or perform field calibrations
		Model 476-0 measures low pressures				with the Model 478-0.The Model 478-0
		from -20 to +20" w.c. with ±1.5% full				is an indispensable tool for the HVAC
		scale accuracy. Designed especially				technician,plant engineer,or industrial
		for the HVAC contractor, the Model				hygienist. The electronics are housed
		476-0 can be used to set gas supply				in a rugged extruded aluminum case
		pressures.				to provide long life.