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                                                                                                    1. Home
                                                                                                    2. Sensors & Transducers
                                                                                                    3. Sensors
                                                                                                    4. Pressure Sensors, Transducers
                                                                                                    5. Pressure Transmitters
                                                                                                    Print Page

                                                                                                    645-5-3V

                                                                                                    Pressure Transmitter, 0.25% Accuracy, 50 psi

                                                                                                    DWYER
                                                                                                    DWYER 645-5-3V
                                                                                                    Image is for illustrative purposes only. Please refer to product description.
                                                                                                    ManufacturerDWYER
                                                                                                    Manufacturer Part No645-5-3V
                                                                                                    Newark Part No.82AK7638
                                                                                                    Product Range645 Series
                                                                                                    Your Part Number
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    See all Technical Docs
                                                                                                    Available to Order
                                                                                                    Manufacturer Standard Lead Time: 8 week(s)
                                                                                                    info icon

                                                                                                    Price shown includes applicable duties and tariffs
                                                                                                    QuantityPrice
                                                                                                    1+$1,589.600
                                                                                                    5+$1,510.120
                                                                                                    10+$1,430.640
                                                                                                    Price for:Each
                                                                                                    Minimum: 1
                                                                                                    Multiple: 1
                                                                                                    $1,589.60
                                                                                                    Line Note
                                                                                                    Added to your Order Confirmation, Invoice, and Dispatch note for this order only.

                                                                                                    Product Information

                                                                                                    DWYER
                                                                                                    ManufacturerDWYER
                                                                                                    Manufacturer Part No645-5-3V
                                                                                                    Newark Part No.82AK7638
                                                                                                    Product Range645 Series
                                                                                                    Technical Datasheet

                                                                                                    Data Sheet

                                                                                                    Operating Pressure Max50psi
                                                                                                    Voltage Rating30VDC
                                                                                                    Product Range645 Series
                                                                                                    SVHCNo SVHC (25-Jun-2025)

                                                                                                    Product Overview

                                                                                                    645-5-3V is a series 645 Wet/Wet differential pressure transmitter which is designed for use with compatible gases and liquids which can be applied to both the pressure and reference ports. Quick response capacitance sensor delivers a 4-20mA output signal proportional to differential pressure with ±.25% accuracy. The series 645 transmitter are ideal for process control, filter condition monitoring, refrigeration equipment, pump speed control, HVAC equipment, and liquid level measurement. For ease of installation and maintenance. Typical application include process control, refrigeration equipment, HVAC equipment, filter monitoring, pump speed control and liquid level measurement.

                                                                                                    • Wet/wet differential pressure transmitter with 3-valve manifold assembly, range from 0-50PSID
                                                                                                    • Versatile, high-accuracy device for liquid/gas supports designs requiring more precise measurements
                                                                                                    • Accuracy of ±0.25% FS (RSS)
                                                                                                    • 11-30VDC power requirement
                                                                                                    • Stainless steel/aluminum housing
                                                                                                    • 1/4˝-18 female NPT process connection
                                                                                                    • NEMA 4X (IP56)
                                                                                                    • Brass manifold
                                                                                                    • 90° on/off valve type

                                                                                                    Technical Specifications

                                                                                                    Operating Pressure Max

                                                                                                    50psi

                                                                                                    Product Range

                                                                                                    645 Series

                                                                                                    Voltage Rating

                                                                                                    30VDC

                                                                                                    SVHC

                                                                                                    No SVHC (25-Jun-2025)

                                                                                                    Technical Docs (2)

                                                                                                    Technical Data Sheet EN

                                                                                                    User Manual EN

                                                                                                    Legislation and Environmental

                                                                                                    US ECCN:Unknown
                                                                                                    EU ECCN:Unknown
                                                                                                    RoHS Compliant:Yes

                                                                                                    RoHS

                                                                                                    RoHS Phthalates Compliant:Yes

                                                                                                    RoHS

                                                                                                    SVHC:No SVHC (25-Jun-2025)
                                                                                                    Download Product Compliance Certificate

                                                                                                    Product Compliance Certificate

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