Series 616WL Differential Pressure Transmitter

Brand: Dwyer Instruments, LLC

The SERIES 616WL Differential Pressure Transmitter senses very low pressures of air and non-combustible, compatible gases and sends a standard 4-20 mA output signal.

All models, including those featuring the 3 digit LCD digital read-out, are factory calibrated to specific ranges as listed in the chart below.

Positive, negative and differential pressures can be measured within a full span accuracy of ±0.50%. This weatherproof unit is enclosed in a polycarbonate case, designed to meet (IP66/NEMA 4X). Internal digital push button zero and span allow for quick and simple field calibration.
Features
  • NEMA 4X rated enclosure provides protection in harsh environments permitting outdoor monitoring or in areas where dust and particulate matter exists
  • Easy to read LCD display provides immediate local alerts allowing corrective action to be taken quicker to eliminate the problem from becoming widespread
  • Zero and span controls provides easy calibration checks and shorter installation time to get device running and monitoring
  • High precision accuracy at low pressure ranges provides exceptional accuracy for insuring tight-control and minimizing costly out of specification conditions

Specifications

Accuracy

  • ± 0.5 % of Full Scale, Display Accuracy ± 0.5 %

Approvals & Certifications

  • CE

Compensated Temperature

  • -6.67° to 48.9° C (20° to 120° F)

Consumption

  • DC: 38 mA - Max.

Electrical Connectors

  • Screw Typical Terminal Block

Environmental Protection

  • IP66
  • NEMA 4X

Loop Resistance

  • DC: 0 to 900 ohms, Max.

Maximum System Pressure

  • psig: 2 to 4

Media

  • Air
  • Non-Combustible, Compatible Gases

NACE & NIST

  • NIST Traceable Calibration Certificate

Output

  • 4-20 mA

Power Requirement

  • 12-30 Vdc (2-Wire)

Pressure Range

  • Inches WC: 0 to 1
  • Pa: 0 to 250

Process Connection Material

  • Rubber
  • Vinyl Tubing

Sensor Orientation

  • Vertical

Span & Zero Adjustments

  • Digital Push Button

Stability

  • ± 1 % of Full Scale Per Year

Temperature Effect

  • ± 0.02 % of Full Scale/°F
  • 0.036 % of Full Scale/°C

Temperature Range

  • -17.8° to 60° C (0° to 140° F)

Tube Connection

  • 3/16” Tube
  • Dual Size to Fit 1/8” & 3/16” I.D. Rubber or Vinyl Tubing

  • Low pressure applications
  • Outdoor HVAC
  • Dust collection
  • Roof-top equipment
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