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Series 629 Wet/Wet Differential Pressure Transmitter

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Series 629 Wet/Wet Differential Pressure Transmitter

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Series 629 Wet/Wet Differential Pressure Transmitter Specification

Thread
1/4 Female NPT

Outer Size
Compact Enclosure, approx. 110 x 89 x 60 mm

Sensor Type
Wet/Wet Differential Pressure Sensor

Grade
Industrial Grade

Seal Material
Buna-N, Stainless Steel

Display
None (4-20mA Output)

Material
Die Cast Aluminum Housing

Dial Material
Not Applicable (Transmitter, No Dial)

Pointer Material
Not Applicable (Transmitter, No Pointer)

Processing Type
Factory Calibrated

Diameter
Not Applicable (Rectangular Housing)

Mount Type
Surface, Wall, or Pipe Mount

Scale Range
Ranges from 0-0.25 w.c. to 0-125 psi (varies by model)

Accuracy
1.0% Full Scale

Finishing
Epoxy Coated

Measure Pressure Of
Liquids & Gases (Compatible with wetted materials)

Accessories
Mounting Kit, Instruction Manual

Weight
Approx. 570 grams

Storage Temperature Range
-40 to 85C (-40 to 185F)

Output Signal
4-20 mA, 2-wire loop powered

Response Time
50 ms (typical)

Maximum Line Pressure
200 psi

Wetted Materials
316 SS, Buna-N, Brass

Mounting Orientation
Position insensitive (calibrate after installation)

Operating Temperature Range
-20 to 70C (-4 to 158F)

Power Supply
10-35 VDC (2-wire)

Agency Approvals
CE, RoHS Compliant

Electrical Connection
Screw Terminal Block

Enclosure Rating
NEMA 4X (IP66)

Zero/Span Adjustment
Non-interactive, internal potentiometers

Series 629 Wet/Wet Differential Pressure Transmitter Trade Information

Payment Terms
Cash on Delivery (COD), Cash Advance (CA), Cash Against Delivery (CAD), Cash in Advance (CID), Cheque

Main Export Market(s)
Australia, North America, Eastern Europe, Middle East, Western Europe, Africa, Central America, South America, Asia

Main Domestic Market
All India

About Series 629 Wet/Wet Differential Pressure Transmitter

Series 629 Wet/Wet Differential Pressure Transmitter

0.5% Accuracy, NEMA 4X Enclosure

The SERIES 629 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 4-20 mA output signal for two wire circuits. Small internal volume and minimum moving parts result in exceptional response and reliability. Terminal block zero and span adjustments are easily accessed under the top cover. The Series 629 Differential Pressure Transmitter is designed to meet NEMA 4X (IP66) construction.

This series is being phased out in 2017, see Series 629C for additional ranges.

California Residents: Click Here for Proposition 65 WARNING.

Product Applications

Flow Elements
Heat Exchangers
Filters
Pumps
Coils
Chiller

Model	Description
629-04-CH-P2-E5-S5	Wet/wet differential pressure transmitter, range 50 psid, conduit housing, 1/4" NPT female process connections, 0-10 V output.

Reliable Wet/Wet Differential Measurement

Engineered for industrial use, the Series 629 transmitter allows for consistent differential pressure readings of compatible liquids and gases. Its rugged construction ensures reliable performance in challenging environments, while comprehensive agency approvals (CE, RoHS) confirm international standards compliance.

Flexible Installation and Operation

This transmitter supports various mounting orientationssurface, wall, or pipemaking it versatile for diverse installation needs. Its position insensitivity and non-interactive adjustments enable seamless calibration post-installation, even in confined or awkward spaces.

Durable Construction for Demanding Applications

The enclosures NEMA 4X (IP66) rating and die-cast aluminum body protect against dust, water, and harsh chemicals. With wetted parts crafted from stainless steel, Buna-N, and brass, the transmitter reliably endures corrosive process media across -20 to 70C operation.

FAQs of Series 629 Wet/Wet Differential Pressure Transmitter:

Q: How do I connect the Series 629 transmitter to my monitoring system?

A: The transmitter is outfitted with a screw terminal block for electrical connection and provides a standard 4-20 mA output signal. It operates with a 10-35 VDC power supply in a 2-wire loop configuration, simplifying integration with most process control or automation systems.

Q: What types of media can the Series 629 transmitter measure?

A: This model is designed for wet/wet differential pressure applications and can measure the differential pressure of a wide range of liquids and gases, provided they are compatible with 316 stainless steel, Buna-N, and brass materials.

Q: When should calibration be performed on this transmitter?

A: Calibration should be conducted after installation, especially if the mounting orientation has changed. The transmitter offers internal potentiometers for zero and span adjustments, ensuring precise calibration on-site.

Q: Where can the Series 629 be installed?

A: Thanks to its robust design and IP66/NEMA 4X rating, the Series 629 can be installed both indoors and outdoors. Its compact enclosure and position-insensitive mounting allow it to be surface, wall, or pipe-mounted to suit your space and application needs.

Q: What is the process for adjusting zero and span on this device?

A: Non-interactive internal potentiometers are used for zero and span calibration. Simply follow the included instruction manual to access and adjust these controls after mounting, ensuring accurate readings tailored to your system.

Q: What benefits does the Series 629 transmitter offer for industrial users?

A: Industrial users benefit from its accurate measurement (1.0% FS), rapid 50 ms response time, durable construction, and broad compatibility with both liquids and gases. Factory calibration and versatile configuration reduce installation time and maintenance.

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