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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 547-203B) is a room condition monitor with a measurement range of +/- 0.25" WC (62.5 Pa) and an accuracy of ±0.25% of Full Scale. It features a 2.17 in display, 4 to 20 mA…

SKU 3G-OTH-176172

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

Siemens
Manufacturer Part Number
547-203B
Type
BACnet, Terminal Block
Accuracy
±0.25% of Full Scale
Display Size
2.17 in
Analog Outputs
4 to 20 mA (2-Wire)
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 547-203B) is a room condition monitor with a measurement range of +/- 0.25" WC (62.5 Pa) and an accuracy of ±0.25% of Full Scale. It features a 2.17 in display, 4 to 20 mA (2-Wire) analog outputs, and operates on 18 to 32V AC within a temperature range of 32°F to 120°F and up to 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 547-203B used for?

The Siemens Room Pressure Monitor 547-203B is used to measure and display differential pressure in cleanrooms, hospital isolation rooms, and laboratories. It provides a BACnet output for building management systems, ensuring precise environmental control within ±0.25% of full scale accuracy.

What are the specifications of the Siemens Room Pressure Monitor 547-203B?

The Siemens Room Pressure Monitor 547-203B has a measurement range of +/- 0.25" WC (62.5 Pa) with ±0.25% full-scale accuracy. It features a 2.17-inch display, 4 to 20 mA (2-wire) analog outputs, BACnet terminal block, operates on 18 to 32V AC, and works from 32°F to 120°F at up to 95% RH non-condensing.

Where to buy the Siemens Room Pressure Monitor 547-203B worldwide?

You can source the Siemens Room Pressure Monitor 547-203B through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine Siemens components for critical HVAC applications.

How to install the Siemens Room Pressure Monitor 547-203B?

Mount the Siemens Room Pressure Monitor 547-203B on a stable wall near the controlled space, ensuring pressure ports are correctly connected. Wire the 4 to 20 mA outputs and BACnet terminal block per the manual, using 18 to 32V AC power. Calibrate zero point after installation for accurate ±0.25% full-scale readings.

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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