Dwyer MS 221 Magnesense Differential Pressure Transmitter

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Dwyer MS 221 Magnesense Differential Pressure Transmitter

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MOQ : 5 Pieces

Dwyer MS 221 Magnesense Differential Pressure Transmitter Specification

Outer Size
77 mm x 79 mm x 35 mm (L x W x D)

Seal Material
Silicone Rubber

Grade
Industrial Grade

Display
Digital, LCD

Thread
1/8 NPT Female

Sensor Type
Differential Pressure Sensor

Material
Polycarbonate Housing

Processing Type
Solid State Electronic

Diameter
77 mm (housing)

Mount Type
Wall or surface mount

Scale Range
-125 to 125 Pa, selectable ranges (field adjustable)

Accuracy
±1% of FS at 21°C

Accessories
Mounting bracket, installation screws, instruction manual

Supply Voltage
10 to 35 VDC or 17 to 36 VDC (loop powered), or 21.6 to 33 VAC

Weight
Approx. 150 g

Output Signal
4-20 mA (2-wire), 0-10 V (3-wire selectable)

Reverse Polarity Protection
Yes

Operating Temperature Range
0 to 60C

Agency Approvals
CE, RoHS

Electrical Connections
Screw Terminal Block

Zero and Span Adjustment
Push-button adjustment

Response Time
<5 seconds (adjustable)

Enclosure Rating
IP66 / NEMA 4X

Mounting Orientation
Any

Dwyer MS 221 Magnesense Differential Pressure Transmitter Trade Information

Minimum Order Quantity
5 Pieces

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

Main Export Market(s)
Asia, Middle East

Main Domestic Market
All India

About Dwyer MS 221 Magnesense Differential Pressure Transmitter

Dwyer Instruments - Series MS - MS-221 Magnesense Differential Pressure Transmitter See related products below for other options (LCD Display).

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 damping of output signal (with optional display)
Ability to select a square root output for use with pitot tubes and other similar flow sensors

Along with these features, the patented magnetic sensing technology provides exceptional long term performance and enables the

Magnesense Differential Pressure Transmitter to be the single solution for your pressure and flow applications.

Specifications

Service: Air and non-combustible compatible gases.
Wetted Materials: Call us at (888) 886-8185.
Accuracy: ±1% for 0.25" (50 Pa), 0.5" (100 Pa), ±2% for 0.1" (25 Pa) and all bi-directional ranges.
Stability: ±1% F.S.O.
Temperature Limits: 0 to 150°F (-18 to 66°C).
Pressure Limits: 1 psi maximum, operation; 10 psi, burst.
Power Requirements: 17 to 36 VDC or isolated 21.6 to 33 VAC (3-wire).
Output Signals: 0 to 10 V (3-wire).
Response Time: Adjustable 0.5 to 15 sec. time constant. Provides a 95% response time of 1.5 to 45 seconds.
Zero & Span Adjustments: Digital push button.
Loop Resistance: Voltage output: min load resistance 1000 Ohms.
Current Consumption: 40 mA max.
Display (optional): 4 digit LCD.
Electrical Connections: 0-10 V, 3-Wire: European style terminal block for 16 to 22 AWG.
Electrical Entry: 1/2" NPS Thread. Accessory (A-151): Cable gland for 5 to 10 mm diameter cable.
Process Connection: 3/16" ID tubing (5 mm). Maximum OD 9 mm.
Enclosure Rating: NEMA 4X (IP66).
Mounting Orientation: Diaphragm in vertical position.
Weight: 8.0 oz (230 g).
Agency Approvals: CE.

Highly Adaptable Pressure Measurement

The MS 221 transmitter provides accurate differential pressure readings across a selectable range of -125 to 125 Pa. Thanks to its flexible outputs (4-20 mA or 0-10 V) and robust solid-state electronics, it integrates smoothly with various control and monitoring systems, ensuring effective environmental management in critical applications.

Designed for Industrial Toughness

Encased in a matte-finished, grey, polycarbonate housing, and boasting an IP66/NEMA 4X enclosure rating, the MS 221 resists dust and water ingress. It operates dependably over a temperature range of 0C to 60C, and reverse polarity protection further enhances device longevity in industrial settings.

Effortless Installation and Adjustment

The included mounting bracket and installation hardware simplify wall or surface installation. Push-button zero and span calibration and a digital LCD display make on-site setup and reading adjustments straightforward, delivering user-friendly operation for installers and technicians.

FAQs of Dwyer MS 221 Magnesense Differential Pressure Transmitter:

Q: How do I select the output signal on the Dwyer MS 221 transmitter?

A: You can easily choose between 4-20 mA (2-wire) and 0-10 V (3-wire) output signals by following the transmitters internal wiring configuration. Refer to the included instruction manual to set the appropriate jumper or switch during installation.

Q: What is the typical process for installing the MS 221 Magnesense transmitter?

A: Installation involves mounting the transmitter to a wall or surface using the provided bracket and screws, connecting electrical wires to the screw terminal block, and setting up the desired output and pressure range. The included manual provides step-by-step instructions for a smooth setup.

Q: Where is the MS 221 ideal for use, and what gases does it measure?

A: This transmitter is designed to monitor differential pressure in air and compatible non-combustible gases, making it suitable for HVAC systems, cleanrooms, and industrial process automation where such gases are present.

Q: What are the benefits of the push-button zero and span adjustment feature?

A: The push-button adjustment allows users to quickly and accurately recalibrate zero and span points without complex tools, ensuring sustained measurement accuracy and saving time during commissioning and maintenance.

Q: When should I use the field-adjustable scale ranges?

A: Field-adjustable scale ranges (-125 to 125 Pa) should be set to match the specific pressure requirements of your application, allowing for optimized sensitivity and resolution in various monitoring or control scenarios.

Q: How does the MS 221 withstand harsh environmental conditions?

A: The IP66/NEMA 4X enclosure protects the transmitter against dust, water, and other contaminants, ensuring reliable operation even in challenging industrial or outdoor environments.

Q: What are the primary usage benefits for exporters and manufacturers in India?

A: Exporters and manufacturers benefit from the MS 221s industrial-grade accuracy, international certifications (CE, RoHS), and robust construction, which support both local installations and global requirements, while the user-friendly design streamlines deployment and maintenance.

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