{"product_id":"siemens-building-technology-qac2030u-temperature-sensor","title":"Siemens Building Technology QAC2030U Temperature Sensor","description":"\u003cp\u003eThe \u003cstrong\u003eSiemens Building Technology QAC2030U\u003c\/strong\u003e is a commercial-grade \u003cstrong\u003eoutdoor air temperature sensor\u003c\/strong\u003e engineered for precise ambient monitoring in professional HVAC and building automation systems. Built around a high-accuracy \u003cstrong\u003e10k ohm Type 2 NTC thermistor\u003c\/strong\u003e, this sensor provides the stable resistance-based signal required for sophisticated \u003cstrong\u003eeconomizer control\u003c\/strong\u003e and outdoor air reset strategies. Its \u003cstrong\u003emetal housing\u003c\/strong\u003e and robust construction allow for reliable operation in demanding environments, with an operating range of -40°F to 150°F (-40°C to 65°C), ensuring consistent performance even in extreme sub-zero or high-heat conditions.\u003c\/p\u003e\n\n\u003cp\u003eFor technicians and system integrators, the \u003cstrong\u003eSiemens QAC2030U\u003c\/strong\u003e offers seamless compatibility with \u003cstrong\u003eSiemens building automation\u003c\/strong\u003e controllers and any third-party system designed to accept standard Type 2 thermistor inputs. The unit is specifically optimized for \u003cstrong\u003eHVAC control systems\u003c\/strong\u003e where real-time outdoor data is critical for maximizing energy efficiency in air handling units and rooftop equipment. By utilizing this sensor, contractors can ensure accurate \u003cstrong\u003eHVAC temperature sensing\u003c\/strong\u003e for free cooling cycles and boiler-room reset curves, reducing mechanical wear and lowering operational costs across \u003cstrong\u003ecommercial building automation\u003c\/strong\u003e networks.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eKey Benefits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10k ohm Type 2 thermistor\u003c\/strong\u003e element provides high-accuracy resistance output for precise temperature monitoring.\u003c\/li\u003e\n\u003cli\u003eRugged \u003cstrong\u003emetal enclosure\u003c\/strong\u003e protects the internal sensing element from UV exposure and harsh environmental conditions.\u003c\/li\u003e\n\u003cli\u003eOptimized for \u003cstrong\u003eeconomizer control\u003c\/strong\u003e and temperature reset logic to improve overall system energy efficiency.\u003c\/li\u003e\n\u003cli\u003eWide sensing range of -40°F to 150°F makes it suitable for diverse geographical climates and \u003cstrong\u003eindustrial HVAC\u003c\/strong\u003e applications.\u003c\/li\u003e\n\u003cli\u003eDirectly compatible with \u003cstrong\u003eSiemens controllers\u003c\/strong\u003e and standard building automation system inputs for rapid field deployment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Question:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does an outdoor air temperature sensor improve HVAC efficiency?\u003c\/strong\u003e\u003cbr\u003e\nAn outdoor sensor like the QAC2030U provides the controller with the data needed to implement \"free cooling\" via the economizer when ambient air is favorable. It also allows the system to adjust hot water or supply air setpoints based on the actual outdoor load, preventing unnecessary energy consumption during milder weather.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Siemens Building Technology","offers":[{"title":"Default Title","offer_id":43682825732274,"sku":"QAC2030U","price":41.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Pic_9f251bb1-8a09-43c5-8f03-258ebdd4f39a.png?v=1775769929","url":"https:\/\/www.gsistore.com\/products\/siemens-building-technology-qac2030u-temperature-sensor","provider":"GSIstore","version":"1.0","type":"link"}