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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 547-103B) 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, an SPDT relay…

SKU 3G-OTH-176169

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

Siemens
Manufacturer Part Number
547-103B
Type
P1, Terminal Block
Accuracy
±0.25% 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 547-103B) 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, 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 547-103B used for?

The SIEMENS Room Pressure Monitor 547-103B is used to measure and display differential pressure in cleanrooms, hospital isolation rooms, and laboratories. It ensures room pressurization stays within specified limits, triggering an SPDT relay alarm if thresholds are exceeded.

What are the specifications of the SIEMENS Room Pressure Monitor 547-103B?

The SIEMENS 547-103B has a measurement range of +/- 0.25" WC (62.5 Pa) with ±0.25% of Full Scale accuracy. It features a 2.17 in display, SPDT relay output, operates on 18 to 32V AC, and functions from 32°F to 120°F at up to 95% RH non-condensing.

Where to buy the SIEMENS Room Pressure Monitor 547-103B worldwide?

You can source the SIEMENS Room Pressure Monitor 547-103B from 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.

How to install the SIEMENS Room Pressure Monitor 547-103B?

Mount the SIEMENS 547-103B 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 output to your alarm or control system. Ensure pressure ports are correctly oriented and sealed to avoid leaks.

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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