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SiemensOutdoor Temperature Sensors

Siemens QAC2012U Outdoor Temperature Sensor

The Siemens QAC2012U is an outdoor temperature sensor with a metal housing, designed for single measurement in building automation systems. It offers a temperature range of -40°F to 150°F with an accuracy of ±0.54°F…

SKU 3G-OTH-68607

Brand
Siemens
Item
QAC2012U Outdoor Temperature Sensor
Category
Outdoor 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
QAC2012U
Display
No Display
Housing
Metal
Product Type
Outdoor Temperature Sensor
Mounting Location
Outdoors
Temperature Accuracy
±0.54°F
Electrical Connection Type
Screw Terminals
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 QAC2012U is an outdoor temperature sensor with a metal housing, designed for single measurement in building automation systems. It offers a temperature range of -40°F to 150°F with an accuracy of ±0.54°F, and features screw terminals for electrical connection. This sensor is compatible with LonWorks protocols and is intended for outdoor mounting.

Frequently Asked Questions

What is the Siemens QAC2012U outdoor temperature sensor used for?

The Siemens QAC2012U outdoor temperature sensor measures ambient air temperature for building automation systems. It provides a single measurement from -40°F to 150°F with ±0.54°F accuracy, using LonWorks protocol compatibility to feed data into HVAC controls for energy-efficient climate management.

What are the specifications of the Siemens QAC2012U temperature sensor?

The Siemens QAC2012U is an outdoor temperature sensor with a metal housing, no display, and screw terminals for electrical connection. It measures from -40°F to 150°F with ±0.54°F accuracy, is compatible with LonWorks building automation protocols, and is designed for outdoor mounting.

Where to buy the Siemens QAC2012U temperature sensor worldwide?

3G Electric supplies the Siemens QAC2012U outdoor temperature sensor to customers 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 QAC2012U outdoor temperature sensor?

Mount the Siemens QAC2012U outdoors in a shaded, ventilated location away from direct heat sources. Use the screw terminals to connect LonWorks-compatible building automation wiring. Follow standard practices for weatherproofing cable entries to maintain the ±0.54°F accuracy over the -40°F to 150°F range.

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 outdoor 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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The Siemens QAC2020U is a hardwired outdoor temperature sensor with a metal housing, designed for building automation systems. It measures ambient air temperature from -40°F to 150°F with an accuracy of ±0.72°F and communicates via LonWorks protocols. Typical applications include HVAC control in commercial and industrial facilities
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Hardwired outdoor temperature sensor in a plastic conduit-box housing for single-point measurement. Provides ±0.54°F accuracy over a -40°F to 158°F range. Includes a conduit adapter and communicates via MP-Bus protocol for integration into building automation systems