The Series MSX and MSX Pro Magnesense® differential pressure transmitters are ideal for monitoring building control applications. With enhanced accuracy and stability, the MSX Pro is also suitable for high performance, critical environments. To learn more or order, please visit https://info.dwyer-inst.com/msx-msxpro

1. Series MSX and MSX Pro
Magnesense®
Differential Pressure
Transmitters
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2. MSX
General Information
● What is it?
○ The Series MSX Magnesense®differential pressure transmitter combines
the stability and versatility of the original Series MS2 Magnesense®II
transmitter with:
■ Improved accuracy across 32 unidirectional and bidirectional
ranges
■ Simplified model selection with internal DIP switches to allow for
easy field adjustments
■ Dual voltage and milliamp output signals that can be used to
provide both control and equipment output signal verification

3. MSX Pro
General Information
● What is it?
○ The Series MSX Pro Magnesense®differential pressure transmitter is the
professional differential pressure transmitter meeting stringent industry
standards with innovative global product design
■ Combines the features, ranges, and capabilities of the MSX with
additional premium features
■ Provides enhanced product accuracy and exceptional stability in
critical building performance applications

4. MSX
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
MSX Pro
Additional Applications
● High performance building applications for critical environments

5. MSX
Key Benefits / Features

6. MSX Pro
Key Benefits / Features

7. MSX and MSX Pro
Accessories
A-480
Plastic static pressure tip
A-MSX-LCD & A-MSXP-LCD
Replacement displays for the
Series MSX and MSX Pro
A-481
Installer kit; includes 2 plastic static
pressure tips and 7 ft (2.1 m) of PVC
tubing

8. *Depiction of a MSX 5 in w.c.
pressure board. Other
pressure boards will vary.
Operation
MSX and MSX Pro
● DIP switch settings are marked directly on the PCBA providing easily
selectable pressure ranges in pascal, mm w.c., and in w.c.
● Switches are factory-set, based on the order configuration
for easy installation
● 2-wire 4-20 mA current output, or a
3-wire 0-5 V / 0-10 V voltage output
● Simultaneous current and voltage output provide both
control and equipment output signal verification
● The power and signals interconnect
○ MSX: Removable European-style four conductor
terminal block
○ MSX Pro: Removable toolless conductor terminal block
● Wall, DIN and universal (wall and duct) mounts available

9. Series MSX Pro
Mounting Capabilities
MSX and MSX Pro
Series MSX

10. MSX and MSX Pro
Key Specifications
● Service: Air and non-combustible, compatible gases
● Accuracy: ±1% FSO
○ MSX Pro Accuracy: ±0.5% FSO for all ranges except unidirectional 0.5 in. @ ±1% FSO
● Stability: ±1% FSO/year
● Temperature Limits: -4 to 158°F (-20 to 70°C)
● 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) and 0-10 V or 0-5 V selectable (3-wire)
● Response Time: Instantaneous (default) or 3 seconds (selectable)
● Zero and Span Adjustments: Digital push-button
● Enclosure Rating: NEMA 4X (IP66), UL 2043 (Plenum), UL94 V-0
● Process Connections: 1/8", 3/16", 1/4", 5mm, and 6mm ID flexible tubing
● Agency Approvals: CE

11. Additional Information
● You can find more information on this product by visiting our website www.dwyer-inst.com
● For any technical questions you may have, we have several Applications Engineers available by
phone or email at:
○ (219) 879-8000 x6402
○ tech@dwyermail.com
● To request a quote or place an order, contact one of our Customer Service Representatives at:
○ (219) 879-8000 x6656
○ quotes@dwyermail.com
○ orders@dwyermail.com
MSX and MSX Pro

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