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SiemensSiemens Room Condition Monitors

Siemens Room Pressure Monitor: +/- 0.10" WC (25 Pa), P1, Terminal Block

The SIEMENS Room Pressure Monitor (MPN 547-312A) is a room condition monitor with a measurement range of +/- 0.10" WC (25 Pa) and an accuracy of ±0.5% of Full Scale. It features a 2.17 in display, analog inputs of 0…

SKU 3G-OTH-176173

Brand
Siemens
Item
Room Pressure Monitor: +/- 0.10" WC
Category
Siemens Room Condition Monitors
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Technical Specifications

Siemens
Manufacturer Part Number
547-312A
Type
P1, Terminal Block
Accuracy
±0.5% of Full Scale
Display Size
2.17 in
Analog Inputs
0 to 5 V DC
Analog Outputs
4 to 20 mA (2-Wire)
Measurement Range
+/- 0.10" WC (25 Pa)
Operating Voltage
18 to 30V 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 547-312A) is a room condition monitor with a measurement range of +/- 0.10" WC (25 Pa) and an accuracy of ±0.5% of Full Scale. It features a 2.17 in display, analog inputs of 0 to 5 V DC, and analog outputs of 4 to 20 mA (2-Wire). The device operates on 18 to 30V 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 547-312A used for?

The SIEMENS Room Pressure Monitor 547-312A is used to measure and display differential pressure in cleanrooms, hospital isolation rooms, and laboratories. It ensures critical spaces maintain required pressure differentials for contamination control and safety. The device provides a 4 to 20 mA output for integration with building management systems.

What are the specifications of the SIEMENS Room Pressure Monitor 547-312A?

The SIEMENS Room Pressure Monitor 547-312A has a measurement range of +/- 0.10" WC (25 Pa) with ±0.5% of Full Scale accuracy. It features a 2.17 in display, analog inputs of 0 to 5 V DC, and analog outputs of 4 to 20 mA (2-Wire). Operating voltage is 18 to 30V AC, temperature range 32°F to 120°F, and humidity up to 95% RH non-condensing.

Where to buy the SIEMENS Room Pressure Monitor 547-312A worldwide?

You can source the SIEMENS Room Pressure Monitor 547-312A 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. 3G Electric supplies genuine Siemens components for critical pressure monitoring applications.

How to install the SIEMENS Room Pressure Monitor 547-312A?

Mount the SIEMENS Room Pressure Monitor 547-312A on a stable wall near the controlled space, ensuring pressure ports are correctly connected. Wire the 18 to 30V AC power supply and 4 to 20 mA output per the terminal block diagram. Avoid locations with excessive vibration or direct airflow. Calibrate per Siemens guidelines for accurate ±0.5% 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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