Instrumentation
	Pressure	Transmitters and Sensors
	Rangeable Differential Pressure Transmitter 666				Wet/Wet Differential Pressure Transmitter   645
		Versatility is the key with our Series				Series 645 Wet/Wet Differential
		666 Rangeable Differential Pressure				Pressure Transmitters are designed
		Transmitter. Up to 6 field selectable				for use with compatible gases and
		pressure ranges are available in a				liquids which can be applied to both
		single model.Four dipswitches located				the pressure and reference ports.
		inside the transmitter case make				Quick response capacitance sensor
		calibration simple and easy. ABS				delivers a 4 to 20 mA output signal
		plastic housing provides environmental				proportional to differential pressure
		protection per NEMA 4 (IP65).				with ±.25% accuracy.
	Wet/Wet Differential Pressure Transmitter   655				Wet/Wet Differential Pressure Transmitter   629
		The Dwyer Series 655 Wet/Wet				The Dwyer Series 629 Differential
		Differential Pressure Transmitter				Pressure Transmitter monitors
		converts a positive or a positive				differential pressure of air and
		differential pressure measurement				compatible gases and liquids with
		into a standard 4-20 mA output signal.				0.5% accuracy. The design employs
		Designed for use as a wet/wet				dual pressure sensors converting
		differential pressure transmitter, units				pressure changes into a standard
		can be used to measure gas or liquid				4-20 mA output signal for two wire
		pressures compatible with 316/316L				circuits. Small internal volume and
		stainless steel wetted parts.				minimum moving parts result in
		pressures to a max. of 300 psi .				exceptional response and reliability.