Dwyer product 645 series differential pressure transmitter for liquids
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  • 645 series differential pressure transmitter for liquid dwyer
645 series differential pressure transmitter for liquid dwyer

645 series differential pressure transmitter for liquid dwyer

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  • American Dewell pressure difference meter flowmeter differential pressure gauge differential pressure switch differential pressure transmitter
  • Products are widely used in HVAC, food, pharmaceutical, bioengineering, intelligent building, power plant, chemical industry, water treatment, environmental monitoring, industrial manufacturing, etc.
  • Product description: Dwyer Instruments, Inc. of the United States (Dwyer Instruments, Inc.) is a company that has many precision instrumentation products for the measurement, transmission and control of differential press
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645 series differential pressure transmitter for liquid
product manual:
Accuracy is ± 0.25%, fast response speed, two-wire system
645 series differential pressure transmitter for liquid can accept liquid or gas at high and low pressure ports, and adopts sensitive capacitive sensor. It outputs a linear 4-20 mA signal output and differential pressure with an accuracy of 0.25%. 645 series transmitters are most suitable for process control, filter cleaning condition monitoring, refrigeration equipment, pump multi-level control, HVAC equipment, liquid level monitoring, and more. For easy installation, a three-valve manifold can be selected. It has a built-in bleed port to eliminate air chambers in the pipeline.
Specifications:
Service: Compatible gases or liquids on both pressure and reference sides.
Wetted Materials: 17-4 PH stainless steel, 300 Series stainless steel, fluoroelastomer and silicone O-rings and bleed screw seals.
Accuracy: ± 0.25% FS (RSS).
Temperature Limits: Operating: 0 to 175 ° F (-22 to 80 ° C); Storage: -65 to 260 ° F (-54 to 126 ° C).
Pressure Limits: (High side) 1 to 5 psi: 20 x FS, 10 to 25 psi: 10 x FS, 50 psi: 5 x FS, 100 psi: 2.5 x FS; (low side) 2.5 x FS.
Thermal Effects: (includes zero and span) ± 0.02% FS / ° F, 30 to 150 ° F (-1 to 65 ° C).
Power Requirements: 11 to 30 VDC.
Output Signal: 4 to 20 mA, 2-wire.
Zero and Span Adjustments: Adjustable, ± 1 mA, non-interactive.
Response Time: 30 to 50 ms.
Loop Resistance: 0 to 1000Ω.
Electrical Connection: Barrier strip terminal block with conduit enclosure and .875 "(22 mm) diameter conduit opening.
Process Connection: 1/4 "-18 female NPT.
Housing: Stainless steel / aluminum, NEMA 4X (IP56).
Weight: 14.4 oz (0.4 kg).
Agency Approvals: CE.
3-Valve Manifold Assembly
Manifold: Brass.
Valve Type: 90 ° on / off.
Process Connection: 1/4 "-18 female NPT.

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