DWYER – Series 616KD-LR Differential Pressure Transmitter – Low Ranges

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Description

Series 616KD-LR Differential Pressure Transmitter – Low Ranges

High Accuracy, Ranges Down to 0.1 in w.c. (25 Pa)

The Series 616KD-LR Differential Pressure Transmitter is designed for simplicity, making it the ideal choice for installers and maintenance professionals. These low range instruments not only alleviate cumbersome turn pots typically found in most transmitters, but eliminate entirely the need to span the instruments during calibration. With single digital push button, both ZERO AND SPAN are calibrated properly, nothing else is required. No additional reference pressure sources or separate calibration devices are necessary.

Product Applications

  • Air handlers
  • Variable air volume
  • Duct pressure
  • Filter monitoring

 

Features

  • Wide selection of low ranges and accuracy cover numerous applications minimizing components and standardizing on design
  • Simple calibration push-buttons to set zero and span, saving time installing and maintaining over the service life
  • Cost effective and compact device suitable for OEM applications where space, simplicity, and value are key
  • Simultaneous current and voltage outputs
  • Optional 1/4″ NPT process connection allows for use with metal barbed fittings or compression fittings for use with metal tubing
  • Plenum rated units meeting UL Standard 2043

 

Specifications

  • Service: Air and non-combustible, compatible gases.
  • Wetted Materials: Consult factory.
  • Accuracy: ±0.25% FS for ±0.4″ (100 Pa) and ±0.5″ (125 Pa), ±0.5% FS for ±0.25″ (60 Pa), and ±1% FS for ±0.1″ (25 Pa).
  • Stability: ±1% / year FSO.
  • Temperature Limits: 0 to 140°F (-17.8 to 60°C).
  • Pressure Limits: 1 psi max., operation; 10 psi burst.
  • Power Requirements: 10 to 35 VDC (2 wire), 17 to 36 VDC or isolated 21.6 to 33 VAC (3 wire).
  • Output Signal: 4 to 20 mA (2-wire), 0 to 5 VDC, 0 to 10 VDC (3-wire).
  • Response Time: 2.5 Hz sample rate.
  • Zero and Span Adjustments: Push buttons.
  • Loop Resistance: Current Output: 0 to 1250Ω max; Voltage Output: Min. load resistance 1kΩ.
  • Current Consumption: 40 mA max.
  • Electrical Connections: Screw type terminal block.
  • Process Connections: Barbed, dual size to fit 1/8″ & 3/16″ (3 mm & 5 mm) ID rubber or vinyl tubing, or 1/4″ NPT.
  • Enclosure Rating: NEMA1 (IP20).
  • Mounting Orientation: Vertical with pressure connections pointing down.
  • Weight: 1.8 oz (51 g).
  • Agency Approvals: CE, optional plenum rated units meet UL Standard 2043.

 

 

Models & Ordering

 

.25% Accuracy

Model Description
616KD-LR-A34-BD1 Low range differential pressure transmitter, 0.4″ wc with 0.25% accuracy, barb process connection, and dual 4-20mA & 0-10V output.
616KD-LR-A34-ND1 Low range differential pressure transmitter, 0.4″ wc with 0.25% accuracy, NPT process connection, front Zero push button, and dual 4-20mA & 0-10V output.
616KD-LR-A45-BD1 Low range differential pressure transmitter, +/- 0.5″ wc with 0.25% accuracy, barb process connection, and dual 4-20mA & 0-10V output.
616KD-LR-A45-ND1 Low range differential pressure transmitter, +/- 0.5″ wc with 0.25% accuracy, NPT process connection, front Zero push button, and dual 4-20mA & 0-10V output.

 

1% Accuracy

Model Description
616KD-LR-B31-BD1 Low range differential pressure transmitter, 0.1″ wc with 1% accuracy, barb process connection, and dual 4-20mA & 0-10V output.
616KD-LR-B31-ND1 Low range differential pressure transmitter, 0.1″ wc with 1% accuracy, NPT process connection, front Zero push button and dual 4-20mA & 0-10V output.
616KD-LR-B32-BD1 Low range differential pressure transmitter, 0.25″ wc with 1% accuracy, barb process connection, and dual 4-20mA & 0-10V output.
616KD-LR-B32-ND1 Low range differential pressure transmitter, 0.25″ wc with 1% accuracy, NPT process connection, front Zero push button and dual 4-20mA & 0-10V output.
616KD-LR-B34-BD1 Low range differential pressure transmitter, 0.4″ wc with 1% accuracy, barb process connection, and dual 4-20mA & 0-10V output.
616KD-LR-B34-ND1 Low range differential pressure transmitter, 0.4″ wc with 1% accuracy, NPT process connection, front Zero push button and dual 4-20mA & 0-10V output.
616KD-LR-B35-BD1 Low range differential pressure transmitter, 0.5″ wc with 1% accuracy, barb process connection, and dual 4-20mA & 0-10V output.
616KD-LR-B35-ND1 Low range differential pressure transmitter, 0.5″ wc with 1% accuracy, NPT process connection, front Zero push button and dual 4-20mA & 0-10V output.
616KD-LR-B41-BD1 Low range differential pressure transmitter, +/-0.1″ wc with 1% accuracy, barb process connection, and dual 4-20mA & 0-10V output.
616KD-LR-B41-ND1 Low range differential pressure transmitter, +/-0.1″ wc with 1% accuracy, NPT process connection, front Zero push button and dual 4-20mA & 0-10V output.
616KD-LR-B42-BD1 Low range differential pressure transmitter, +/-0.25″ wc with 1% accuracy, barb process connection, and dual 4-20mA & 0-10V output.
616KD-LR-B42-ND1 Low range differential pressure transmitter, +/-0.25″ wc with 1% accuracy, NPT process connection, front Zero push button and dual 4-20mA & 0-10V output.
616KD-LR-B45-BD1 Low range differential pressure transmitter, +/-0.5″ wc with 1% accuracy, barb process connection, and dual 4-20mA & 0-10V output.
616KD-LR-B45-ND1 Low range differential pressure transmitter, +/-0.5″ wc with 1% accuracy, NPT process connection, front Zero push button and dual 4-20mA & 0-10V output.

 

 

 

 

 

 

 

 

 

 

 

Additional information

Model

616KD-LR-A34-BD1, 616KD-LR-A34-ND1, 616KD-LR-A45-BD1, 616KD-LR-A45-ND1, 616KD-LR-B31-BD1, 616KD-LR-B31-ND1, 616KD-LR-B32-BD1, 616KD-LR-B32-ND1, 616KD-LR-B34-BD1, 616KD-LR-B34-ND1, 616KD-LR-B35-BD1, 616KD-LR-B35-ND1, 616KD-LR-B41-BD1, 616KD-LR-B41-ND1, 616KD-LR-B42-BD1, 616KD-LR-B42-ND1, 616KD-LR-B45-BD1, 616KD-LR-B45-ND1

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