Instrumentation
	Pressure	Transmitters and Sensors
	Adjustable Range Pressure Transmitter     637				Adjustable Range Pressure Transmitter  634ES
		Stainless Steel, Intrinsically Safe,				sense a single pressure for air,
		Explosion-proof, Accuracy ±0.25%,				compatible gas or liquid and provide
		4-20 mA Signal. Four ranges are				4-20 mA output signal. Positive
		offered up to 0-300 psig (0-20 bar).				pressure can be measured within an
		Series 637 Pressure Transmitters are				accuracy of ±0.5% of span.
		durable and compact with all welded				Ranges to 5000 psi.
		316 stainless steel construction.				Convenient 2-wire operation simplifies
		FM? NACE approval for off-shore				installation. Zero and span
		applications.				adjustments .
	Pressure Transmitter                  642				Pressure Transmitter                  673
		±0.1% Accuracy, SS Wetted Parts,				Ranges to 1000 psi. suitable for
		Economical. Units are constructed of				high shock and vibration applications.
		316 and 316 LSS wetted parts for				Constructed of stainless steel, the
		superior compatibility. Zero and span				Series 673 provides a 4 to 20 mA
		are independently adjustable.				output signal with 0.25% accuracy.
		Transmitters feature simple two wire				Use the Series 673 in industrial OEM
		operation plus reverse polarity				equipment, hydraulic systems, HVAC
		protection. Liquid fill provides shock				equipment, industrial engines and
		and vibration resistant protection.				compressor control.