We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

Image not available
SiemensSiemens Room Condition Monitors

Siemens Room Condition Monitor

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

Also listed as: 547103A · 547 103A

Brand
Siemens
Item
Room Condition Monitor
Category
Siemens Room Condition Monitors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

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)

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Siemens
Siemens
This Siemens room condition monitor measures differential pressure with a range of +/- 0.25" WC (62.5 Pa) and accuracy of ±0.25% of full scale. It features a 2.17 in display, SPDT relay output, and operates on 18 to 32V AC. Suitable for monitoring room pressurization in controlled environments such as cleanrooms and laboratories
Wall-mounted sensor for measuring temperature from 32°F to 131°F and relative humidity from 0 to 100%. Provides a 4 to 20 mA humidity output and communicates via BACnet MS/TP. Features a polycarbonate plastic housing, no display, plug-in electrical connection, and includes anchors for installation. Temperature accuracy ±0.54°F, humidity accuracy ±2% of full scale. Suitable for building automation systems in HVAC applications
Siemens
Wall-mounted sensor for measuring temperature from 32°F to 131°F and relative humidity from 0 to 100%. Provides a 4 to 20 mA humidity output and communicates via BACnet MS/TP. Features a polycarbonate plastic housing, no display, plug-in electrical connection, and includes anchors for installation. Temperature accuracy ±0.54°F, humidity accuracy ±2% of full scale. Suitable for building automation systems in HVAC applications
Siemens
Siemens
This electronic air differential pressure sensor measures low pressure differences from -0.25 to 0.25 in wc with ±1.00% accuracy. It provides a 0 to 10V DC output and requires a 0 to 10V DC power supply. Typical applications include monitoring filter loading, fan status, and airflow changes in HVAC systems, clean rooms, and industrial ventilation
Siemens
Siemens
Electronic air differential pressure sensor with 4 to 20mA output and ±0.40% accuracy. Requires 0 to 10V DC power supply, loop resistance 100 ohms. Used for measuring low air pressure differences in HVAC systems, cleanrooms, and industrial ventilation
Wall-mounted digital sensor with plastic housing for measuring room temperature and relative humidity. Temperature range 55°F to 95°F with ±0.40°F accuracy; humidity range 0 to 100% with ±2% of full scale accuracy. Provides 4 to 20 mA humidity output and communicates via BACnet MS/TP for integration with building automation systems. Includes matching gaskets and screw terminals for electrical connection
Siemens
Wall-mounted digital sensor with plastic housing for measuring room temperature and relative humidity. Temperature range 55°F to 95°F with ±0.40°F accuracy; humidity range 0 to 100% with ±2% of full scale accuracy. Provides 4 to 20 mA humidity output and communicates via BACnet MS/TP for integration with building automation systems. Includes matching gaskets and screw terminals for electrical connection

More from Siemens

View all Siemens parts
Siemens
Siemens
The Siemens 547-203A Room Condition Monitor measures differential pressure with a range of +/-0.25" WC (62.5 Pa) and accuracy of ±0.5% of full scale. It features a 2.17-inch display, BACnet communication via terminal block, and an SPDT relay output. Operating on 18 to 32V AC, it is suited for environments requiring pressure monitoring, such as cleanrooms and labs, within 32°F to 120°F and up to 95% RH non-condensing
Siemens
Siemens
This room condition monitor measures differential pressure with a range of ±0.50" WC (125 Pa) and accuracy of ±0.25% of full scale. It features a 2.17-inch display and an SPDT relay output. The device operates on 18 to 32V AC and is suitable for environments with temperatures from 32°F to 120°F and humidity up to 95% RH non-condensing. Typical applications include monitoring room pressure in controlled environments such as cleanrooms, laboratories, and hospitals
Siemens
Siemens
Siemens Room Condition Monitor with a measurement range of +/- 0.25" WC (62.5 Pa) and accuracy of ±0.25% of full scale. Features a 2.17-inch display, 0 to 5 V DC analog inputs and outputs (3-wire), and operates on 18 to 30V AC. Suitable for monitoring differential pressure in HVAC and containment applications
Siemens
Siemens
Siemens room condition monitor with BACnet terminal block interface. Measures differential pressure from -0.25 to +0.25" WC (62.5 Pa) with ±0.25% full-scale accuracy. Features a 2.17-inch display, 0-10 V DC analog inputs and 0-10 V DC 3-wire analog outputs. Operates on 18-30 V AC, 32°F to 120°F, up to 95% RH non-condensing. Used for monitoring pressure in controlled environments such as cleanrooms and laboratories
Siemens
Siemens
Siemens room condition monitor with BACnet terminal block interface. Measures differential pressure from -0.25 to +0.25" WC (62.5 Pa) with ±0.25% full-scale accuracy. Features a 2.17-inch display and 4 to 20 mA (2-wire) analog output. Operates on 18 to 32V AC, 32°F to 120°F, up to 95% RH non-condensing. Used for monitoring pressure in controlled environments such as cleanrooms, hospital isolation rooms, and laboratories
Siemens Room Condition Monitor with 4.3-inch display, BACnet/P1 communication, and terminal block connection. Measures differential pressure from -0.25 to +0.25" WC (62.5 Pa) with 0.5% accuracy. Includes mating electrical connectors, accepts 4 to 20 mA loop analog inputs, and operates on 18 to 30V AC. Suitable for monitoring room pressure in HVAC applications
Siemens
Siemens Room Condition Monitor with 4.3-inch display, BACnet/P1 communication, and terminal block connection. Measures differential pressure from -0.25 to +0.25" WC (62.5 Pa) with 0.5% accuracy. Includes mating electrical connectors, accepts 4 to 20 mA loop analog inputs, and operates on 18 to 30V AC. Suitable for monitoring room pressure in HVAC applications
This room condition monitor measures differential pressure with a range of +/- 0.10" WC (25 Pa) and an accuracy of 0.25%. It features a 4.3 in display, analog inputs of 0 to 5 V DC, and operates on 18 to 30V AC. The unit includes a Phoenix Contact MC Plug Kit with (3) Green and (2) Black connectors. Suitable for monitoring room pressure in HVAC applications such as cleanrooms, hospitals, and laboratories
Siemens
This room condition monitor measures differential pressure with a range of +/- 0.10" WC (25 Pa) and an accuracy of 0.25%. It features a 4.3 in display, analog inputs of 0 to 5 V DC, and operates on 18 to 30V AC. The unit includes a Phoenix Contact MC Plug Kit with (3) Green and (2) Black connectors. Suitable for monitoring room pressure in HVAC applications such as cleanrooms, hospitals, and laboratories
Siemens
Siemens
This room condition monitor measures differential pressure with a range of +/- 0.10" WC (25 Pa) and an accuracy of ±0.5% of full scale. It features a 2.17 in display, 0 to 5 V DC analog inputs, and a 4 to 20 mA (2-wire) analog output. Operating on 18 to 30V AC, it is suitable for monitoring pressure in controlled environments such as cleanrooms and laboratories