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Series 636D Fixed Range Differential Pressure Transmitter

Brand: Dwyer Instruments, LLC
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Series 636D Differential Pressure Transmitter can be used for measuring pressures of liquids, gases & vapors.

All available ranges have an excellent 0.5% F.S. accuracy with a 4-20 mA Output standard or optional 1-5 VDC output. The NEMA 4 housing is an all 316 welded construction that is designed to withstand the harshest environmental conditions.

With all 316L wetted materials, this transmitter is compatible with most media.

These units are CSA approved explosion-proof for use in the specified hazardous locations and meet NACE standards for off-shore applications.
Features
  • NEMA 4X rated enclosure provides protection in harsh environments permitting outdoor monitoring or in areas where dust and particulate matter exists
  • Explosion-proof device for use in hazardous areas
  • Versatile, high-accuracy device for liquid or gas supports designs requiring more precise measurements in support of application
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Series 636D Differential Pressure Transmitter can be used for measuring pressures of liquids, gases & vapors.

All available ranges have an excellent 0.5% F.S. accuracy with a 4-20 mA Output standard or optional 1-5 VDC output. The NEMA 4 housing is an all 316 welded construction that is designed to withstand the harshest environmental conditions.

With all 316L wetted materials, this transmitter is compatible with most media.

These units are CSA approved explosion-proof for use in the specified hazardous locations and meet NACE standards for off-shore applications.
Features
  • NEMA 4X rated enclosure provides protection in harsh environments permitting outdoor monitoring or in areas where dust and particulate matter exists
  • Explosion-proof device for use in hazardous areas
  • Versatile, high-accuracy device for liquid or gas supports designs requiring more precise measurements in support of application
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Specifications

Brand

Accuracy

  • BFSL: ± 0.5 % of Full Scale (The Effect of Linearity, Hysteresis & Repeatability Included)

Ambient Temperature Range

  • -40° to 60° C (-40° to 140° F)

Approvals & Certifications

  • CSA Approved Explosion-proof for Class I, Div. 1, Groups B, C, D, Class II, Groups E, F, G, Class III

Compensated Temperature

  • -29° to 71° C (-20° to 160° F)

Consumption

  • 3 mA for Voltage Output Models
  • 4-20 mA for Current Output Model

Electrical Connectors

  • 2 feet, 22 AWG Cable
  • 3/4” NPT Female Conduit

Enclosure, Body Material

  • 316 Stainless Steel

Environmental Protection

  • IP65
  • NEMA 4

Loop Resistance

  • Current Outputs: 900 ohms, Max.
  • Voltage Outputs: Min. 50 Kilohms

Media

  • Compatible Gases
  • Liquids & Gases
  • Vapor

NACE & NIST

  • NIST

NPT Connection

  • Two 1/2” NPT Female

Output

  • 1-5 Vdc
  • 4-20 mA (Direct Current)

Power Requirement

  • 12 to 30 Vdc (4-20 mA)
  • 8 to 14 Vdc (1-5 Vdc)

Pressure Range

  • bar: 0 to 34.4
  • kPa: 0 to 3,447
  • psid: 0 to 500

Pressure Type

  • Differential

Process Temperature

  • -40° to 100° C (-40° to 212° F)

Response Time

  • 200 milliseconds

Sensor Orientation

  • ± 0.05 psi / 90° Rotation from Horizontal

Span & Zero Adjustments

  • Fixed

Stability

  • ± 1 % of Full Scale Per Year

Storage Temperature

  • -40° to 100° C (-40° to 212° F)

Temperature Effect

  • ± 2 % of Full Scale/50° F

Wetted Materials

  • 316 Stainless Steel
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Typical Applications

  • Monitoring Differential Pressure for: Oil & Gas Applications, Level Measurements in Non-Vented Liquid Tanks, Filtration Systems, Compressor Control, Process Control.
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