DWYER – Series 629C Wet/Wet Differential Pressure Transmitter

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Description

Series 629C Wet/Wet Differential Pressure Transmitter

0.5% Accuracy, NEMA 4X (IP66) Enclosure

The Series 629C Wet/Wet Differential Pressure Transmitter monitors differential pressure of air and compatible gases and liquids with 0.5% accuracy. The design employs dual pressure sensors converting pressure changes into a standard 4 to 20 mA output signal or field selectable voltage. Small internal volume and minimal moving parts result in exceptional response and reliability. The terminal block, as well as a zero adjustment button, are easily accessed under the top cover.

The Series 629C, with the optional factory installed remote sensors, are connected to the unit, either via armored or shielded cable and available in 10 and 20′ lengths. Installation is much simpler, reducing labor and material cost versus traditional copper piping installations and no need for valve manifolds. The 629C family has a robust NEMA 4X (IP66) construction, which is also available with an integral LCD for localized data monitoring and with a remote sensor option.

NIST CALIBRATION available in Product Configurator.

Product Applications

  • Flow elements
  • Heat exchangers
  • Filters
  • Coils
  • Chiller
  • Pumps

 

Features

  • Powered by either DC or AC – take advantage of most readily available power source reducing installation costs
  • Optional LCD does not need a separate power supply – lowers installed cost
  • Selectable voltage range – provides flexible choice for changing design or inputs for process/HVAC controllers being used to monitor and control
  • Push button zero (versus trim pot) – more simple zeroing provides easy install and calibration reducing installation time and possibility of operator error
  • Optional LCD indicator provides local status to identify operational condition
  • Remote sensor option reduces installation labor and material

 

Specifications

  • Service: Compatible gases and liquids.
  • Wetted Materials: Without valve: 316, 316L SS. Additional wetted parts with valve option: Buna-N, silicone grease, PTFE, brass 360, copper, and reinforced copolymer.
  • Accuracy: ±0.5% FS (includes linearity, hysteresis & repeatability)
  • Stability: ±1% FS/year.
  • Temperature Limits: 0 to 200°F (-18 to 93°C).
  • Compensated Temperature Limits: 0 to 175°F (-18 to 79°C).
  • Pressure Limits: See chart on catalog page.
  • Thermal Effect: Avg 0.04%/°F (0.072%/°C) (includes zero and span).
  • Power Requirements: 2-wire: 10 to 35 VDC; 3-wire: 13 to 35 VDC or isolated 16 to 33 VAC (reverse polarity protected).
  • Output Signal: 2-wire: 4 to 20 mA; 3-wire: Field selectable 0 to 5, 1 to 5, 0 to 10, or 2 to 10 VDC.
  • Zero and Units: Push buttons inside conduit enclosure.
  • Response Time: 400 msec.
  • Loop Resistance: Current output: 0 to 1250 Ω (max), Rmax = 50(Vps-10); Voltage output: Minimum load resistance = 5 kΩ.
  • Current Consumption: 28 mA (max).
  • Electrical Connections: Removable terminal block; 1/2″ female NPT conduit.
  • Process Connections: 1/4″ female or male NPT.
  • Display: Optional 4-1/2 digit LCD field attachable display.
  • Enclosure Rating:
  • Designed to meet NEMA 4X (-RS maintains NEMA 4X on sensors and housing).
  • Mounting Orientation:
  • Not position sensitive.
  • Weight:
  • 629C-XX-CH: 10.1 oz (286 g); 629C-XX-R2-P1-E5-XX: 2.3 lbs (1.04 kg); 629C-XX-R6-P1-E5-XX: 4.55 lbs (2.06 kg).
  • Agency Approvals:
  • CE.

 

Models & Ordering

 

629C NEW! with Remote Sensors

Model Description
629C-02-R2-P1-E5-S1 Wet/wet differential pressure transmitter, range 10 psid, working pressure 20 psi, over pressure 100 psi with remote sensors and 20′ shielded cable.
629C-02-R6-P1-E5-S1 Wet/wet differential pressure transmitter, range 10 psid, working pressure 20 psi, over pressure 100 psi with remote sensors and 20′ armored cable.
629C-03-R1-P1-E5-S3 Wet/wet differential pressure transmitter, range 25 psid, working pressure 50 psi, over pressure 250 psi with remote sensors and 10′ shielded cable.
629C-03-R5-P1-E5-S3 Wet/wet differential pressure transmitter, range 25 psid, working pressure 50 psi, over pressure 250 psi with remote sensors and 10′ armored cable.
629C-05-R1-P1-E5-S3 Wet/wet differential pressure transmitter, range 100 psid, working pressure 200 psi, over pressure 500 psi with remote sensors and 10′ shielded cable.
629C-05-R5-P1-E5-S3 Wet/wet differential pressure transmitter, range 100 psid, working pressure 200 psi, over pressure 500 psi with remote sensors and 10′ armored cable.

 

Standard Transmitter with 4-20 mA Output

Model Description
629C-02-CH-P2-E5-S1 Wet/wet differential pressure transmitter, range 10 psid, working pressure 20 psi, over pressure 100 psi.
629C-03-CH-P2-E5-S1 Wet/wet differential pressure transmitter, range 25 psid, working pressure 50 psi, over pressure 120 psi.
629C-04-CH-P2-E5-S1 Wet/wet differential pressure transmitter, range 50 psid, working pressure 100 psi, over pressure 250 psi.
629C-05-CH-P2-E5-S1 Wet/wet differential pressure transmitter, range 100 psid, working pressure 200 psi, over pressure 500 psi.

 

Standard Transmitter with Selectable Voltage Output

Model Description
629C-02-CH-P2-E5-S3 Wet/wet differential pressure transmitter, range 10 psid, conduit housing, 1/4″ NPT female process connections, 0-10 V output.
629C-03-CH-P2-E5-S3 Wet/wet differential pressure transmitter, range 25 psid, conduit housing, 1/4″ NPT female process connections, 0-10 V output.
629C-04-CH-P2-E5-S3 Wet/wet differential pressure transmitter, range 50 psid, conduit housing, 1/4″ NPT female process connections, 0-10 V output.
629C-05-CH-P2-E5-S3 Wet/wet differential pressure transmitter, range 100 psid, conduit housing, 1/4″ NPT female process connections, 0-10 V output.

 

Transmitter with 3-way Valve Manifold Assembly with 4-20 mA

Model Description
629C-02-CH-P2-E5-S1-3 Wet/wet differential pressure transmitter with 3-way valve package, range 10 psid, conduit housing, NEMA 4X, 1/4″ female NPT, 1/2″ female NPT conduit, 4-20 mA
629C-03-CH-P2-E5-S1-3 Wet/wet differential pressure transmitter with 3-way valve package, range 25 psid, conduit housing, NEMA 4X, 1/4″ female NPT, 1/2″ female NPT conduit, 4-20 mA
629C-04-CH-P2-E5-S1-3 Wet/wet differential pressure transmitter with 3-way valve package, range 50 psid, conduit housing, NEMA 4X, 1/4″ female NPT, 1/2″ female NPT conduit, 4-20 mA
629C-05-CH-P2-E5-S1-3 Wet/wet differential pressure transmitter with 3-way valve package, range 100 psid, conduit housing, NEMA 4X, 1/4″ female NPT, 1/2″ female NPT conduit, 4-20 mA

 

Transmitter with 3-way Manifold Assembly with Selectable Voltage Output

Model Description
629C-02-CH-P2-E5-S3-3 Wet/wet differential pressure transmitter with 3-way valve package, range 10 psid, working pressure 50 psi, over pressure 250 psi.
629C-03-CH-P2-E5-S3-3 Wet/wet differential pressure transmitter with 3-way valve package, range 25 psid, working pressure 50 psi, over pressure 250 psi.
629C-04-CH-P2-E5-S3-3 Wet/wet differential pressure transmitter with 3-way valve package, range 50 psid, working pressure 100 psi, over pressure 250 psi.
629C-05-CH-P2-E5-S3-3 Wet/wet differential pressure transmitter with 3-way valve package, range 100 psid, working pressure 200 psi, over pressure 500 psi.

 

 

 

Additional information

Model

629C-02-R2-P1-E5-S1, 629C-02-R6-P1-E5-S1, 629C-03-R1-P1-E5-S3, 629C-03-R5-P1-E5-S3, 629C-05-R1-P1-E5-S3, 629C-05-R5-P1-E5-S3, 629C-02-CH-P2-E5-S1, 629C-03-CH-P2-E5-S1, 629C-04-CH-P2-E5-S1, 629C-05-CH-P2-E5-S1, 629C-02-CH-P2-E5-S3, 629C-03-CH-P2-E5-S3, 629C-04-CH-P2-E5-S3, 629C-05-CH-P2-E5-S3, 629C-02-CH-P2-E5-S1-3, 629C-03-CH-P2-E5-S1-3, 629C-04-CH-P2-E5-S1-3, 629C-05-CH-P2-E5-S1-3, 629C-02-CH-P2-E5-S3-3, 629C-03-CH-P2-E5-S3-3, 629C-04-CH-P2-E5-S3-3, 629C-05-CH-P2-E5-S3-3

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