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Dwyer Magnesense® Differential Pressure Transmitter
MSX-W22-PA-LCD
| Measurement Pressure, Max | 1250 Pa |
| Measurement Pressure, Min | -1250 Pa |
The Series MSX Magnesense® Differential Pressure Transmitter combines the stability and versatility of the original Series MS2 Magnesense® II transmitter for use in building control applications. The MSX simplifies the ordering process to deliver the desired configuration, which reduces product setup time. Pressure ranges are available in Pa, mm w.c., and in w.c. All pressure ranges can be configured in unidirectional or bidirectional modes, providing a total of 32 ranges. The MSX transmitter can provide a linear pressure output or a linear velocity output with the square root extraction from the transmitter. Additional parameters have been included to expand the square root capability to calculate flow. Dual voltage and milliamp output signals can be used to provide both control and equipment output signal verification.
Specifications
Service: Air and non-combustible, compatible gases.
Wetted Materials: Consult factory.
Accuracy: ±1 % FSO.
Stability: ±1 % FSO/year.
Temperature Limits: -20 °C to 70 °C (-4 °F to 158 °F).
Pressure Limits: Ranges 0 and 1: 3.6 psi max operation, 6 psi burst; Ranges 2, 3 and 4: 6 psi max operation, 6 psi burst.
Power Requirements: 10 VDC to 36 VDC (2-wire), 17 VDC to 36 VDC or isolated 21.6 VAC to 33 VAC (3-wire).
Output Signals: 4 mA to 20 mA (2-wire); 0 V to 10 V or 0 V to 5 V selectable (3-wire).
Response Time: Instantaneous (default) or 3 s (selectable).
Zero and Span Adjustments: Digital push-button.
Loop Resistance: Current output: 0 Ω to1250 Ω max; Voltage
output: min. load resistance 1 kΩ.
Current Consumption: 21 mA max continuous.
Electrical Connections: 4-wire removable European style terminal block for 16 AWG to 26 AWG.
Electrical Entry: 1/2 in NPS thread.
Display (optional): 4 digit LCD.
Process Connections: 1/8 in, 3/16 in, 1/4 in, 5 mm, and 6 mm ID flexible tubing.
Enclosure Rating: NEMA 4X (IP66); UL 2043 (Plenum); UL94 V-0.
Applications
• Filter monitoring in air handler units
• Building pressure in pharmaceutical/semiconductor clean rooms
• Duct static pressure in commercial buildings
• Air velocity/flow in VAV systems
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