About DWYER MSX-W21-IN Differential Pressure Transmitter

DWYER MSX-W21-IN Differential Pressure Transmitter
- Dwyer MSX-W21-IN Differential Pressure Transmitter, Bi-Directional, Range 1
- Model: MSX-W21-IN
Simplifies The Ordering Process To Deliver The Desired Configuration, Which Reduces Product Setup Time With A Range 1 (0.1, 0.25, 0.5, 1" wc) And Has Universal Current/Voltage Outputs.
Dwyer MSX-W21-IN Offers
The Differential Pressure Transmitter Has a Rotatable 180 Display For Ease Of Reading.
Features
- Optional tool less terminal block allows for quick and easy wiring
- UL94 V-0 and plenum ratings that add safety to a variety of applications
Applications
- Filter monitoring in air handler units
- Building pressure in pharmaceutical/semiconductor clean rooms
- Duct static pressure in commercial and specialized buildings
- Air velocity/flow in VAV systems
Dwyer MSX-W21-IN Specifications
| Service |
Air and non-combustible, compatible gases |
| Wetted Materials |
Consult factory |
| Accuracy |
0.1% FSO |
| Stability |
1% FSO/year |
| Temperature Limits |
-4 to 158F (-20 to 70C) |
| Pressure Limits |
Ranges 0 and 1: 3.6 psi max operation, 6 psi burst; Ranges 2 and 3: 6 psi max operation, 6 psi burst |
| Power Requirements |
10-36 VDC (2-wire), 17-36 VDC or isolated 21.6-33 VAC (3-wire) |
| Output Signals |
4-20 mA (2-wire); 0-10 V, 0-5 V (3-wire) |
| Response Time |
Instantaneous (default) or 3 s (selectable) |
| Zero and Span Adjustments |
Digital push-button |
| Loop Resistance |
Current output: 0-1250 I max; Voltage output: min. load resistance 1 kI |
| Current Consumption |
21 mA max continuous |
| Electrical Connections |
4-wire removable European style terminal block for 16 to 26 AWG |
| Electrical Entry |
" NPS thread |
| Display (optional) |
4 digit LCD |
| Process Connections |
", 3/16", 14", 5 mm, and 6 mm ID flexible tubing |
| Enclosure Rating |
NEMA 4X (IP66); UL 2043 (Plenum); UL94 V-0 |
| Mounting Orientation |
Pressure sensor measurement unaffected by orientation |
| Weight |
8.0 oz (230 g) |
| Agency Approvals |
CE |
Click Here For Complete Specifications On The
Dwyer MSX-W21-INWhat's Included With The Dwyer MSX-W21-IN
- Dwyer MSX-W21-IN Differential Pressure Transmitter, Bi-Directional, Range 1
Additional Information:
- Item Code: DWYER-MSX-W21-IN-Differential-Pressure-Transmitter
- www.envirotechindustrialproducts.com
- www.envirotechindustrialproduct.com
- www.envirotechindustrialproducts.in

Versatile Industrial Pressure Monitoring
This differential pressure transmitter is uniquely designed to serve industries ranging from power generation to textiles. With its precise detection capacity, it ensures stable operation in environments demanding rigorous pressure monitoring. Its plastic body provides corrosion resistance, making it ideal for diverse process gases. Compatibility with surface mounting simplifies installation, reducing operational downtime while enhancing safety and reliability in industrial applications.
Accurate Gas Pressure Measurement
Featuring an accuracy of 0.1% FSO, the MSX-W21-IN ensures that pressure readings remain consistent and highly reliable over time. The transmitter's scale coverage (from 0.1 to 1 inch wc) supports both low and moderate pressure applications, addressing the unique requirements of gas pressure measurement in process-heavy facilities. This precision is essential for maintaining optimal equipment functionality and process control.
FAQ's of DWYER MSX-W21-IN Differential Pressure Transmitter:
Q: How is the DWYER MSX-W21-IN Differential Pressure Transmitter installed?
A: The MSX-W21-IN is designed for surface mounting, allowing straightforward installation on flat surfaces near the measurement point. Installation should be performed by qualified personnel, following the manufacturer's guidelines to ensure proper sealing and secure attachment of process connections.
Q: What types of gases can the transmitter measure pressure for?
A: This transmitter measures the differential pressure of various non-corrosive gases commonly found in industrial processes. It is ideal for use in power plants, cement factories, steel mills, fertilizer units, and textile plants, provided the gases are compatible with the product's plastic components.
Q: When should I consider using the MSX-W21-IN in my facility?
A: Consider using this transmitter whenever you require precise monitoring and control of low to moderate gas pressures in critical industrial applications. Its high accuracy and stable performance are particularly beneficial during process optimization or safety upgrades.
Q: Where is the DWYER MSX-W21-IN most effectively utilized?
A: It is most effectively used in industrial environments where accurate differential gas pressure measurement is essential, such as in HVAC systems, filter monitoring, and process control within power, cement, steel, fertilizer, and textile industries.
Q: What benefits does employing this differential pressure transmitter provide?
A: Using this transmitter delivers dependable accuracy (0.1% FSO), lightweight construction, and ease of installation. These attributes help minimize process downtime, enhance safety, and contribute to efficient operation and maintenance in demanding industrial settings.
Q: How does the absence of a display affect the device's operation?
A: While the MSX-W21-IN does not include an on-device display, it connects to external monitoring systems, allowing centralized and remote pressure readings. This facilitates easier integration into automated control systems and supports continuous data recording for process analysis.