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Dwyer MS 331 Magnesense Differential Pressure Transmitter

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Dwyer MS 331 Magnesense Differential Pressure Transmitter

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MOQ : 12 Pieces

Dwyer MS 331 Magnesense Differential Pressure Transmitter Specification

Outer Size
107 x 83 x 36 mm (Approx)

Thread
1/8 NPT Female Ports

Grade
Industrial

Sensor Type
Differential Pressure Transmitter

Display
LED

Seal Material
Silicone

Material
ABS Plastic Housing

Processing Type
Solid-State Electronic

Mount Type
Wall Mount / Duct Mount

Scale Range
0 to 250 Pa (multiple ranges available)

Accuracy
1% of FS

Finishing
Gray Housing

Measure Pressure Of
Air and Non-combustible Gases

Accessories
Mounting Screws, Instruction Manual

Operating Temperature
0 to 60°C (32 to 140°F)

Weight
Approx. 120 g

Electrical Connection
Screw Terminal Block

Enclosure Rating
IP66/NEMA 4X

Mounting Orientation
Vertical or Horizontal

Zero and Span Adjustment
Push Button

Output Signal
4-20 mA or 0-10 VDC (Field Selectable)

Storage Temperature
-20 to 70°C (-4 to 158°F)

Agency Approvals
CE, RoHS

Response Time
< 250 ms

Power Supply
10-35 VDC or 17-36 VDC / 21.6-33 VAC

Dwyer MS 331 Magnesense Differential Pressure Transmitter Trade Information

Minimum Order Quantity
12 Pieces

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

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

Main Domestic Market
All India

About Dwyer MS 331 Magnesense Differential Pressure Transmitter

Dwyer Instruments MS-331

Magnesense Differential Press. Trans., 0-10 V, range 10 in H2O

The Series MS Magnesense Differential Pressure Transmitter is an extremely versatile transmitter for monitoring pressure and air velocity. This compact package is loaded with features such as: field selectable English or metric ranges, field upgradeable LCD display, adjustable dampening of output signal (with optional display) and the ability to select a square root output for use with Pitot tubes and other similar flow sensors. Along with these features, the magnetic sensing technology provides exceptional long term performance and enables the Magnesense transmitter to be the solution for a myriad of pressure and flow applications. Field Upgradeable LCD. No need to order two separate transmitters. Simply stock a transmitter and display and you can satisfy any customer's requests. Simply remove cover and snap the LCD onto the board. Field Selectable Ranges in metric or English. Lowers stock and inventory requirements. You'll always have the right transmitter for every job. Digital Push Button Zero and Span. Reduces calibration time significantly over other transmitters that utilize potentiometers. Lowers maintenance time and costs. Adjustable Digital Dampening smooths out unstable pressure fluctuations common in air flow applications. Field Selectable Air Velocity Mode for fan and blower applications. Unit provides square root output that accurately tracks fpm or m/s flow rate. No need for a smart programmable indicator or PLC to convert pressure to air flow. Reduces components and installation time lowering overall costs.

Product Highlights

0-10 V output

selectable range 10 in H2O. (2 kPa)

panel mount

Reliable Performance Across Applications

Whether monitoring filter status, airflow, or room pressurization, the MS 331 delivers rapid and accurate differential pressure readings with a response time under 250 ms. Designed for versatility, this transmitter supports a wide scale range and dual mounting options, accommodating a variety of HVAC and industrial processes.

User-Friendly Installation and Adjustment

The transmitter features screw terminal block connections and field-selectable output options, allowing for seamless integration into existing systems. Zero and span are easily adjusted via push buttons, simplifying commissioning and ongoing recalibration. The lightweight ABS housing and included mounting screws make installation straightforward.

FAQs of Dwyer MS 331 Magnesense Differential Pressure Transmitter:

Q: How do I select the desired output signal on the Dwyer MS 331 transmitter?

A: The MS 331 allows users to choose between a 4-20 mA or 0-10 VDC output signal through a field-selectable setting, enabling compatibility with various control and monitoring systems. The selection process is detailed in the instruction manual provided.

Q: What environments can the Dwyer MS 331 operate in?

A: With an enclosure rating of IP66/NEMA 4X, the transmitter is suitable for dusty, wet, or outdoor industrial environments and can withstand temperatures between 0 to 60C during operation and -20 to 70C for storage.

Q: When is it necessary to recalibrate the transmitter, and how is it done?

A: Recalibration is recommended during installation and periodic maintenance to maintain accuracy within 1% of full scale. The MS 331 makes this process simple with push button zero and span adjustments on the front panel.

Q: Where can the Dwyer MS 331 be mounted?

A: This transmitter is designed for flexible placement, supporting both wall and duct mount orientations. It can be installed vertically or horizontally, depending on space and application needs.

Q: What gases can be measured with the MS 331 transmitter?

A: The device is engineered to measure the differential pressure of air and other non-combustible gases, making it suitable for ventilation, cleanroom, and general industrial monitoring.

Q: Which accessories are included with the product?

A: The standard package includes mounting screws and an instruction manual, ensuring users have everything required for setup and operation.

Q: What are the main benefits of using the Dwyer MS 331 in my facility?

A: Key advantages include rapid response time, high accuracy, field-adjustability, robust construction, and compliance with international safety and quality standards. Its versatility ensures reliable monitoring across a broad spectrum of industrial and HVAC applications.

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