Series 647 Wet/Wet Differential Pressure Transmitter

±1.0% Accuracy, NEMA 4 (IP56) Enclosure, 2-Wire

Monitor differential pressure in air/liquid flow systems, HVAC automation, pneumatic systems and process control with the Series 647 Wet/Wet Differential Pressure Transmitter. Units are temperature compensated and provide a 4 to 20 mA output signal which can be interfaced with chart recorders, data loggers and computerized monitoring and control systems.

Calibration Option available under Accessories.

California Residents: Click Here for Proposition 65 WARNING.

Product Applications

Flow
Process control
HVAC automation
Pneumatic systems

Models & Ordering

Shipping Information

All shipping times are dependent on product availability at time of shipment.

Although we make every effort to ensure a continuous supply of our products, occasional circumstances may force us to temporarily run out of a product, or have shipping delays. Should this occur, customers will be notified soon after placement of any orders for such products and, if applicable, items will be put on backorder. For orders requiring expedited shipment, our customer service team can be contacted to confirm product availability

COVID-19 Update: Due to high customer demand, lead time on some products may be up to two weeks. While this is a developing health situation, we are working continuously to take the necessary measures to ensure that the products you need are available with minimal interruption.

Model	Description	Usually Ships*	Price	Code	Order
647-0 Ships: Next Day Price: $624.00	Wet/wet differential pressure transmitter, range 0-1" w.c.	Next Day*	$624.00	B	Order
647-1 Ships: Next Day Price: $460.00	Wet/wet differential pressure transmitter, range 0-3" w.c.	Next Day*	$460.00	B	Order
647-2 Ships: Next Day Price: $460.00	Wet/wet differential pressure transmitter, range 0-25" w.c.	Next Day*	$460.00	B	Order
647-3 Ships: Next Day Price: $460.00	Wet/wet differential pressure transmitter, range 0-5" w.c.	Next Day*	$460.00	B	Order
647-4 Ships: Next Day Price: $460.00	Wet/wet differential pressure transmitter, range 0-10" w.c.	Next Day*	$460.00	B	Order
647-5 Ships: 2-3 Weeks Price: $460.00	Wet/wet differential pressure transmitter, range 0-1 psid.	2-3 Weeks*	$460.00	B	Order
647-6 Ships: 2-3 Weeks Price: $460.00	Wet/wet differential pressure transmitter, range 0-5 psid.	2-3 Weeks*	$460.00	B	Order
647-7 Ships: Next Day Price: $460.00	Wet/wet differential pressure transmitter, range 0-15 psid.	Next Day*	$460.00	B	Order
647-8 Ships: Next Day Price: $460.00	Wet/wet differential pressure transmitter, range 0-30 psid.	Next Day*	$460.00	B	Order

Specifications

Service:: Compatible gases or liquids on both pressure and reference sides.
Wetted Materials:: Brass, vinyl, glass-filled polyester, silicon, and florosilicone.
Accuracy:: ±1.0% FS.
Stability:: ±1.5% FS output/year.
Temperature Limits:: 32 to 122°F (0 to 50°C).
Pressure Limits:: Ranges 1" w.c. to 5 psi; 20 psi, 15 psi range; 45 psi, 30 psi range; 60 psi.
Thermal Effects:: Zero: ±0.05% FS/°F, Span: ±0.05% rdg/°F.
Power Requirements:: 18 to 30 VDC.
Output Signal:: 4 to 20 mA, 2-wire.
Zero and Span Adjustments:: Adjustable, ±10%.
Loop Resistance:: 400 Ω @ 18 VDC, 600 Ω @ 24 VDC, 1000 Ω @ 30 VDC.
Electrical Connection:: Screw terminals, reverse polarity protected.
Process Connections:: Two 1/8" female NPT.
Housing:: Gasketed steel epoxy painted, NEMA 4 (IP56).
Weight:: 14 oz (397 g).

Features

Versatile for liquid or gas supports designs requiring more precise measurements in support of application
Temperature compensated improves performance of device for accurate measurement under different operating environments
Output signal provides capability to interface with automation systems to centralize monitoring

Accessories

	Model Number	Description	Usually Ships*	Price	Code	Order
	NISTCAL-PT1	NIST traceable calibration certificate for pressure transmitters.NOTE: EQUAL CERTS WILL BE CHARGED PER UNITS PURCHASED.	Less Than 1 Week	$144.00	N	Order