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SiemensDuct Temperature Sensors

Siemens Duct Temperature Sensor

The Siemens Duct Temperature Sensor (SKU 533-377-18, MPN 533-377-18) is a hardwired, metal-housed duct mount sensor with a 4 to 20 mA temperature signal output and an accuracy of ±0.54°F. It is compatible with…

SKU 3G-OTH-69356

Also listed as: 53337718 · 533 377 18

Brand
Siemens
Item
Duct Temperature Sensor
Part Number
533-377-18
Category
Duct Temperature Sensors
Available to Order
Also known as:533-377-18Siemens
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Manufacturer Part Number
533-377-18
Type
30°F to 250°F, 4 to 20 mA, Steel, Single Measurement, Metal
Display
No Display
Housing
Metal
Product Type
Duct Temperature Sensor
Mounting Location
Duct Mount
Temperature Accuracy
±0.54°F
Temperature Signal Output
4 to 20 mA
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 (SKU 533-377-18, MPN 533-377-18) is a hardwired, metal-housed duct mount sensor with a 4 to 20 mA temperature signal output and an accuracy of ±0.54°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 533-377-18 used for?

The Siemens 533-377-18 duct temperature sensor measures air temperature in HVAC ducts for building automation systems. It outputs a 4 to 20 mA signal compatible with LonWorks protocols, enabling precise temperature monitoring and control in commercial or industrial facilities.

What are the specifications of the Siemens 533-377-18 duct temperature sensor?

The Siemens 533-377-18 is a duct mount sensor with a temperature range of 30°F to 250°F, accuracy of ±0.54°F, and a 4 to 20 mA output. It features a metal housing, hardwired connection, and is compatible with LonWorks building automation protocols.

Where to buy the Siemens 533-377-18 duct temperature sensor worldwide?

3G Electric supplies the Siemens 533-377-18 duct temperature sensor worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this LonWorks-compatible sensor.

How to install the Siemens 533-377-18 duct temperature sensor?

Mount the Siemens 533-377-18 sensor in the duct with the probe inserted into the airflow. Hardwire the 4 to 20 mA output to your building automation system following local electrical codes. Ensure the sensor is securely fastened and the wiring is protected from moisture.

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
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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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Metal-housed duct temperature sensor for measuring air temperature in HVAC ducts. Outputs 4 to 20 mA signal with ±0.54°F accuracy over 30°F to 250°F range. Hardwired, no display, supports MP-Bus protocol for building automation system integration
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This hardwired duct temperature sensor from Siemens features a metal housing and is designed for duct-mount installation in building automation systems. It provides averaging measurement with an accuracy of ±0.54°F over a range of -40°F to 180°F, and supports LoRaWAN protocols for integration into HVAC control networks
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Hardwired duct temperature sensor with metal housing, no display. Provides averaging measurement from -40°F to 180°F with ±0.54°F accuracy. Communicates via BACnet IP for integration with building automation systems. Steel construction for duct-mount installation

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Hardwired duct temperature sensor with metal housing, no display. Measures air temperature in HVAC ducts over -40°F to 180°F range with ±0.54°F accuracy. Supports averaging measurement and LonWorks protocol for building automation systems

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