{"product_id":"siemens-qfm4171-duct-humidity-and-temperature-sensor","title":"Siemens QFM4171 Duct Humidity And Temperature Sensor","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe SIEMENS QFM4171 is a duct humidity and temperature sensor with 2% accuracy and 4 to 20 mA outputs for both temperature and humidity, housed in a plastic enclosure. It is designed to monitor and transmit humidity and temperature changes to building control systems. Ideal for use in humidification, dehumidification, supply, discharge, and return air applications.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature measuring range of 0 C to 50 C, -40 C to 70 C, or -35 C to 35 C\u003c\/li\u003e\n  \u003cli\u003eOperating voltage of 13.5 to 35 VDC\u003c\/li\u003e\n  \u003cli\u003eFeatures a terminal strip for easy connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eThis sensor provides accurate humidity and temperature readings for efficient building control.\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: SIEMENS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: QFM4171\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Duct Mount\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnclosure\u003c\/strong\u003e: Plastic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration\u003c\/strong\u003e: Duct\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensors Application\u003c\/strong\u003e: Humidity, Temperature\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage Signal Range\u003c\/strong\u003e: 4 To 20 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal output humidity\u003c\/strong\u003e: DC 4...20 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignal output temperature\u003c\/strong\u003e: DC 4...20 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating voltage\u003c\/strong\u003e: DC 13.5…35 V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasuring range, temperature\u003c\/strong\u003e: 0…50 °C, -35…35 °C, -40…70 °C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement range humidity\u003c\/strong\u003e: 0…100 % r.h.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeasurement accuracy\u003c\/strong\u003e: At 15…35 °C: ±0.6 K, At 40…70 °C: ±0.8 K23 % r.h., 0…100 % r.h.: ±2 % r.h.±2 % r.h.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTime constant\u003c\/strong\u003e: Humidity: 20 s, Air v=2 m\/s: 210 s\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImmersion length\u003c\/strong\u003e: 90…206 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: No display\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDegree of protection\u003c\/strong\u003e: IP65\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D)\u003c\/strong\u003e: 80 x 117 x 39 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: 2%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHousing Material\u003c\/strong\u003e: Poly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensor Element\u003c\/strong\u003e: 1K Platinum RTD 385\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput\u003c\/strong\u003e: 4 - 20 mA\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHumidity Range\u003c\/strong\u003e: 0-100%\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Requirements\u003c\/strong\u003e: 24 VAC\/VDC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Humidification,Dehumidification,Supply,Discharge,Return Air,Economizers,Clean Rooms,Data Centers,Process Control,Schools,Hospitals,Office Buildings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMount\u003c\/strong\u003e: Duct\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: QFM4171\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer\u003c\/strong\u003e: Siemens\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Series\u003c\/strong\u003e: QFM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFamily Series\u003c\/strong\u003e: Siemens Building Technologies HVAC Sensors, QFM Series\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDescription\u003c\/strong\u003e: Sensor (Duct) RH: 4-20MA \/ T:\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput\u003c\/strong\u003e: 13.5-35 VDC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 32-122 °F\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"SIEMENS","offers":[{"title":"Default Title","offer_id":50744824299826,"sku":"QFM4171","price":688.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/282377986.jpg?v=1766438426","url":"https:\/\/voomisupply.com\/products\/siemens-qfm4171-duct-humidity-and-temperature-sensor","provider":"Voomi Supply","version":"1.0","type":"link"}