We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

Image not available
SiemensDuct Temperature Sensors

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

The Siemens QAM2020.020 is a metal-housed duct temperature sensor for building automation systems, offering a single measurement range of -40°F to 180°F with ±0.72°F accuracy. It features a hardwired electrical…

SKU 3G-OTH-69239

Also listed as: QAM2020020 · QAM2020 020 · QAM2020-020

Brand
Siemens
Item
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Single Measurement
Category
Duct Temperature Sensors
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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

Siemens
Manufacturer Part Number
QAM2020.020
Display
No Display
Housing
Metal
Product Type
Duct Temperature Sensor
Mounting Location
Duct Mount
Temperature Accuracy
±0.72°F
Electrical Connection Type
Hardwired
Compatible Building Automation Protocols
LonWorks
For Use With Building Automation Systems
Building Automation System Compatible

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 QAM2020.020 is a metal-housed duct temperature sensor for building automation systems, offering a single measurement range of -40°F to 180°F with ±0.72°F accuracy. It features a hardwired electrical connection and is compatible with LonWorks protocols, designed for duct-mount installation.

Frequently Asked Questions

What is the Siemens QAM2020.020 duct temperature sensor used for?

The Siemens QAM2020.020 is a duct-mount temperature sensor used in building automation systems to monitor air temperature within HVAC ducts. It provides a single measurement from -40°F to 180°F with ±0.72°F accuracy, supporting LonWorks protocols for integration into building management networks.

What are the specifications of the Siemens QAM2020.020?

The Siemens QAM2020.020 is a metal-housed duct temperature sensor with no display, hardwired connection, and LonWorks protocol compatibility. It measures -40°F to 180°F with ±0.72°F accuracy and is designed for duct-mount installation in building automation systems.

Where to buy the Siemens QAM2020.020 worldwide?

3G Electric supplies the Siemens QAM2020.020 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 for building automation.

How to install the Siemens QAM2020.020 duct temperature sensor?

Mount the Siemens QAM2020.020 securely in the duct with the sensing element exposed to airflow. Hardwire connections per LonWorks protocol specifications, ensuring proper polarity and shielding. Avoid locations near heat sources or condensation. Calibrate against a reference if required for ±0.72°F accuracy.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Single Measurement, Metal (MPN QAM2012.010)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Single Measurement, Metal (MPN QAM2012.020)
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Single Measurement, Metal (MPN QAM2020.010)
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Single Measurement, Metal (MPN QAM2020.010)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement, Metal (MPN QAM2012.250)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement, Metal (MPN QAM2012.500)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement, Metal (MPN 544-343-36)

More from Siemens

View all Siemens parts
Siemens
Siemens
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
Duct-mount temperature sensor with metal housing for building automation systems. Measures air temperature in HVAC ducts with ±0.54°F accuracy over -40°F to 180°F range. Hardwired connection, compatible with LoRaWAN protocols
Siemens
Duct-mount temperature sensor with metal housing for building automation systems. Measures air temperature in HVAC ducts with ±0.54°F accuracy over -40°F to 180°F range. Hardwired connection, compatible with LoRaWAN protocols
Siemens
Siemens
Hardwired duct mount temperature sensor with metal housing and no display. Provides averaging measurement from -40°F to 180°F with ±0.54°F accuracy. Compatible with LonWorks building automation protocols for integration into building management systems. Used to measure air temperature inside HVAC ducts for zone control
Siemens
Siemens
Temperature Sensor: Duct Mount, 30°F to 250°F, 4 to 20 mA, Steel, Single Measurement, Metal (MPN 533-377-18)
Siemens
Siemens
Temperature Sensor: Duct Mount, 20°F to 120°F, 4 to 20 mA, Aluminum, Single Measurement, Metal (MPN 533-376-4)
Siemens
Siemens
Temperature Sensor: Duct Mount, 30°F to 250°F, 4 to 20 mA, Steel, Single Measurement, Metal (MPN 533-377-8)
Siemens
Siemens
Temperature Sensor: Duct Mount, Conduit Box, 55°F to 95°F, Plastic, Averaging Measurement, Plastic (MPN 540-244-18)
Siemens
Siemens
Temperature Sensor: Duct Mount, -40°F to 180°F, Steel, Averaging Measurement, Metal (MPN QAM2021.750)