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SiemensDuct Temperature Sensors

Siemens Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement

The SIEMENS Duct Temperature Sensor (MPN 544-343-48) is a hardwired, metal-housed duct mount sensor with no display, offering a temperature accuracy of ±0.54°F and an averaging measurement range of -40°F to 180°F. It…

SKU 3G-OTH-69405

Also listed as: 54434348 · 544 343 48

Brand
Siemens
Item
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement
Category
Duct Temperature Sensors
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Siemens
Manufacturer Part Number
544-343-48
Type
-40°F to 180°F, Steel, Averaging Measurement, Metal
Display
No Display
Housing
Metal
Product Type
Duct Temperature Sensor
Mounting Location
Duct Mount
Temperature Accuracy
±0.54°F
Electrical Connection Type
Hardwired
Compatible Building Automation Protocols
LonWorks
For Use With Building Automation Systems
Building Automation System Compatible

Technical Documents

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Siemens Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SIEMENS Duct Temperature Sensor (MPN 544-343-48) is a hardwired, metal-housed duct mount sensor with no display, offering a temperature accuracy of ±0.54°F and an averaging measurement range of -40°F to 180°F. It is compatible with LonWorks building automation protocols and is designed for use with building automation systems.

Frequently Asked Questions

What is the Siemens duct temperature sensor 544-343-48 used for?

The Siemens duct temperature sensor 544-343-48 is used in building automation systems to measure air temperature inside HVAC ducts. It provides averaging measurement across the duct for accurate zone control, and its LonWorks protocol compatibility allows integration with building management systems for energy-efficient climate regulation.

What are the specifications of the Siemens 544-343-48 duct temperature sensor?

The Siemens 544-343-48 is a hardwired, metal-housed duct mount sensor with no display. It has a temperature accuracy of ±0.54°F and an averaging measurement range of -40°F to 180°F. It is compatible with LonWorks building automation protocols and is designed for building automation system integration.

Where to buy the Siemens 544-343-48 duct temperature sensor worldwide?

You can source the Siemens 544-343-48 duct temperature sensor through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we supply genuine Siemens components for building automation projects.

How to install the Siemens duct temperature sensor 544-343-48?

Install the Siemens 544-343-48 by mounting it in the duct with the sensing element fully exposed to airflow. Hardwire the electrical connections per the LonWorks protocol specifications, ensuring proper polarity and shielding. Follow standard HVAC sensor installation best practices for accurate averaging measurement and reliable building automation system communication.

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 duct temperature sensors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement, Metal (MPN 544-343-36)
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