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SiemensSiemens Room Condition Monitors

Siemens Room Pressure Monitor: +/- 0.25" WC (62.5 Pa), BACnet, Terminal Block

The Siemens Room Pressure Monitor (MPN 547-203A) is a room condition monitor with a measurement range of +/- 0.25" WC (62.5 Pa) and an accuracy of ±0.5% of Full Scale. It features a 2.17-inch display, operates on 18…

SKU 3G-OTH-176171

Brand
Siemens
Item
Room Pressure Monitor: +/- 0.25" WC
Category
Siemens Room Condition Monitors
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Technical Specifications

Siemens
Manufacturer Part Number
547-203A
Type
BACnet, Terminal Block
Accuracy
±0.5% of Full Scale
Display Size
2.17 in
Analog Outputs
SPDT Relay
Measurement Range
+/- 0.25" WC (62.5 Pa)
Operating Voltage
18 to 32V AC
Operating Temperature Range
32°F to 120°F
Operating Humidity - Maximum
95% RH (Non-Condensing)
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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Siemens Room Pressure Monitor (MPN 547-203A) is a room condition monitor with a measurement range of +/- 0.25" WC (62.5 Pa) and an accuracy of ±0.5% of Full Scale. It features a 2.17-inch display, operates on 18 to 32V AC, and provides an SPDT relay analog output. The unit is designed for an operating temperature range of 32°F to 120°F and a maximum humidity of 95% RH (non-condensing).

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the Siemens Room Pressure Monitor 547-203A used for?

The Siemens Room Pressure Monitor 547-203A is used to measure and display differential pressure in cleanrooms, labs, and healthcare facilities. It provides a BACnet output for building management systems and an SPDT relay for alarm or control, ensuring critical spaces maintain proper pressurization.

What are the specifications of the Siemens 547-203A room pressure monitor?

The Siemens 547-203A has a measurement range of +/- 0.25" WC (62.5 Pa) with ±0.5% of Full Scale accuracy. It features a 2.17-inch display, operates on 18 to 32V AC, and includes BACnet communication via terminal block. Operating temperature is 32°F to 120°F with 95% RH max humidity.

Where to buy the Siemens 547-203A room pressure monitor worldwide?

3G Electric supplies the Siemens 547-203A room pressure monitor to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine Siemens equipment and support your procurement from order to arrival.

How to install the Siemens 547-203A room pressure monitor?

Mount the Siemens 547-203A on a clean, vibration-free surface within the conditioned space. Connect 18 to 32V AC power and terminate BACnet and relay wiring per the terminal block diagram. Ensure pressure ports are correctly oriented and sealed. Follow Siemens installation manual for commissioning and network setup.

Used in

Common applications for Siemens
District cooling plants — LME73 + RWF55 for condenser-water modulation
Inflight catering and food-processing steam boilers — LMG22 with SQN90 air-fuel cross-damper
Hospital steam-plant redundancy — LME41 with QRA2 UV flame detection for dual-fuel boilers
Semiconductor fab process heat — LME23 and SKP55 gas valves on hot-oil heater skids
Container-terminal reefer-deck heating — LMG22 retrofit onto legacy burner racks

Siemens Products

3G Electric supplies Siemens siemens room condition monitors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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