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SiemensSiemens Room Condition Monitors

Siemens Room Pressure Monitor: +/- 0.25" WC (62.5 Pa), P1, Terminal Block

The Siemens Room Pressure Monitor (MPN 547-103A) 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, an SPDT relay…

SKU 3G-OTH-176168

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

Siemens
Manufacturer Part Number
547-103A
Type
P1, 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 547-103A) 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, an SPDT relay analog output, 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 547-103A used for?

The Siemens Room Pressure Monitor 547-103A is used to measure and display differential pressure in cleanrooms, hospital isolation rooms, and laboratories. It provides a local readout and an SPDT relay output for alarm or control, ensuring pressure differentials stay within required parameters.

What are the specifications of the Siemens Room Pressure Monitor 547-103A?

The Siemens Room Pressure Monitor (MPN 547-103A) 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, SPDT relay output, operates on 18 to 32V AC, and handles temperatures from 32°F to 120°F with up to 95% RH non-condensing humidity.

Where to buy the Siemens Room Pressure Monitor 547-103A worldwide?

You can source the Siemens Room Pressure Monitor 547-103A 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 facility management applications.

How to install the Siemens Room Pressure Monitor 547-103A?

Mount the Siemens Room Pressure Monitor on a stable wall near the controlled space, using the provided terminal block for wiring. Connect 18 to 32V AC power and the SPDT relay as needed. Ensure pressure ports are correctly plumbed and the device is level. Follow Siemens' generic installation guidelines for room pressure monitors.

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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