Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-01

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Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-01

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Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-01 Specification

Grade
Industrial

Sensor Type
Wet/Wet Differential Pressure

Seal Material
Fluorocarbon O-Ring

Outer Size
96 mm x 98 mm x 42 mm (Approx.)

Display
Without Display (Transmitter Only)

Thread
1/4 NPT Female

Material
Aluminum Housing, 316 Stainless Steel Wetted Parts

Processing Type
Pressure Transmitter

Mount Type
Wall or Panel Mount

Scale Range
0-250 PSID (Other Ranges Available)

Accuracy
1% F.S.

Finishing
Epoxy Painted

Measure Pressure Of
Liquid or Gas Differential Pressure

Accessories
Mounting Bracket, Instruction Manual

Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-01 Trade Information

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

Main Export Market(s)
Asia

Main Domestic Market
Dadra and Nagar Haveli, Chandigarh, Himachal Pradesh, Andaman and Nicobar Islands, Pondicherry, Nagaland, South India, East India, West India, Assam, Arunachal Pradesh, Bihar, Goa, Jammu and Kashmir, Jharkhand, Karnataka, Maharashtra, Mizoram, Meghalaya, Manipur, Punjab, Rajasthan, Sikkim, Tamil Nadu, Telangana, Tripura, Uttarakhand, Daman and Diu, Lakshadweep, Haryana, Gujarat, Delhi, Uttar Pradesh, West Bengal, Madhya Pradesh, North India, Andhra Pradesh, Kerala, Central India, Odisha, Chhattisgarh, All India

About Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-01

Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-01

The Series 251 wet/wet differential pressure transmitter utilizes a double diaphragm sensor technology that outperforms standard double sensor products in accuracy, reliability and static operating pressure. This differential pressure sensing technology offers 0.25% accuracy with static operating pressures up to 1000 PSI. The Series 251 features 316 stainless steel construction designed to meet NEMA 4X (IP 65) standards. The transmitter also offers exceptional field flexibility with a 5:1 turn down and comes standard with a certificate of calibration.

Media compatibility:

Gas and Liquids compatible with 316SS

Accuracy:

+/- 0.25% F.S.

Over Pressure:

positive - 2x f.S.; negative-1x F.S.

Working Pressure:

1000 PSI (7MPa)

Temperature Limits:

Operating: -40° to 185°F (-40° to 85°C)

Compensated: -4° to 158°F (-20° to 70°C)

Thermal Effect:

+/- 0.028% FS/°F (0.050%FS/°C)

Stability:

+/- 0.5% FS/year

Power Supply:

12-30 VDC

Output Signal:

4-20 mA, 2-wire

Electrical Connetction:

mini DIN 43650

Response Time:

100 ms

Turn Down:

5:1

Enclosure Rating:

NEMA 4X (IP 65)

Process Connection:

1/4" NPT female, optional 1/4" G

Mounting Position Effect:

0.1% F.S., can be corrected by zero adjust

Model Number Range

251-01 0 - 5 PSI ( 34.5 kPa )

Versatile Differential Pressure Solution

The Sensocon Series 251-01 is tailored to measure wet/wet differential pressure in both liquid and gas systems. With a high allowable line pressure of 500 psi and compatibility with a variety of process media, it suits demanding operations in water treatment, HVAC, process automation, and industrial filtration. Its robust, epoxy-coated aluminum body and stainless steel wetted parts ensure long-term stability and performance, even in harsh environments.

Effortless Installation and Configuration

The transmitter accommodates any mounting orientation, making installation straightforward on walls or panels. An included mounting bracket and compact external dimensions simplify setup. Connections use a screw terminal block for foolproof wiring. Internal zero and span adjustments allow users to fine-tune performance on-site for optimal accuracy within the 1% F.S. specification.

Reliable, Fast-Response Measurement

Engineered for rapid system feedback, the Series 251-01 features a sub-50ms response time. The 4-20 mA output (two-wire) ensures consistent measurement transmission over long cable runs. With CE and RoHS approvals, the transmitter meets international standards and delivers dependable monitoring for critical process applications without an integrated display.

FAQs of Sensocon USA Wet/Wet Differential Pressure Transmitter Series 251-01:

Q: How do I connect the Sensocon Series 251-01 transmitter to my control system?

A: You can connect the transmitter using its screw terminal block, which supports easy and secure wiring. The device operates on a 1230 VDC power supply and provides a standard 4-20 mA two-wire current output, making it compatible with most PLCs and analog input devices.

Q: What types of media can the Series 251-01 measure?

A: This transmitter is designed to measure differential pressure in both liquids and gases. Its wetted parts made of 316 stainless steel and fluorocarbon O-rings provide chemical resistance, suitable for aggressive or corrosive process media in industrial environments.

Q: When should I adjust the zero and span settings?

A: Zero and span adjustments are recommended during installation or periodic calibration to ensure the transmitters output matches your process requirements. These adjustments are internally accessible and help maintain the instruments accuracy within 1% of full scale.

Q: Where can the transmitter be installed, and does orientation matter?

A: The Sensocon Series 251-01 can be installed on a wall or panel using the supplied mounting bracket. It is designed to function accurately in any mounting orientation, giving flexibility in placement to suit your application needs.

Q: What are the benefits of the NEMA 4X (IP66) enclosure rating?

A: NEMA 4X (IP66) ensures the transmitters epoxy-painted aluminum enclosure is dust-tight, weather-resistant, and protected against water jets, making it suitable for both indoor and outdoor industrial applications, including washdown and corrosive settings.

Q: How quickly does the transmitter respond to pressure changes?

A: The transmitter has a rapid response time of less than 50 milliseconds, allowing it to promptly capture and transmit pressure variations for real-time process monitoring and control.

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