Dwyer Series MSX Pro Magnesense Differential Pressure Transmitter (Model: MSX-W20-PA)
Product Introduction
The Dwyer MSX Pro Magnesense Differential Pressure Transmitter is a high-precision device designed for critical building control applications. Building on the legacy of the Series MS2 Magnesense® II, it combines stability with versatile functionality, offering 32 configurable pressure ranges in Pa, mm w.c., or in w.c. The MSX-W20-PA model features a bidirectional pressure range of -125 to 125 Pa, dual voltage/milliamp outputs, and square root extraction for velocity/flow calculations. With its rugged design and CE certification, it ensures reliable performance in demanding environments like clean rooms, air handler units, and VAV systems.
Product Features
Bidirectional Pressure Sensing:
Measures differential pressure from -125 to 125 Pa, suitable for applications requiring positive/negative pressure monitoring.
Dual Output Signals:
4–20 mA current output (2-wire) for control systems.
Optional voltage outputs (0–10 V/0–5 V) for signal verification.
Square Root Extraction:
Converts pressure signals to linear velocity/flow readings, eliminating external calculations.
Wide Pressure Range Configurability:
32 total ranges (unidirectional/bidirectional) in Pa, mm w.c., or in w.c., adaptable to diverse applications.
Robust Environmental Performance:
Operating temperature: -4 to 158°F (-20 to 70°C).
NEMA 4X (IP66) enclosure option for protection against dust and water.
Easy Installation & Calibration:
4-wire removable terminal block for quick wiring.
Digital push-button zero/span adjustments; optional 4-digit LCD for real-time readings.
Technical Specifications
| item | value |
| Warranty | 1 year |
| Customized support | OEM, ODM |
| Place of Origin | USA |
| Brand Name | Dwyer |
| Model Number | MSX-W20-PA |
| Power supply | 24VDC |
| Range | -125 TO 125 Pa |
| Product Name | Differential Pressure Transmitter |
| Temperature Limits | -4 to 158°F (-20 to 70°C) |
| Output signal | 4~20mA |
| Current output | 0-1250 Ω max |
| Electrical Connections | 4-wire |
| Display (optional) | 4 digit LCD |
| Agency Approvals | CE |
Product Tags:
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Dwyer Series MSX Pro Magnesense Differential Pressure Transmitter Model MSX-W20-PA Images
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