CO2 VOC контроллер с 3


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Цена:*

Количество:



Описание и отзывы


Трекер стоимости

Месяц Минимальная цена Макс. стоимость
Sep-19-2025 0.80 $* 0.1 $*
Aug-19-2025 0.52 $* 0.20 $*
Jul-19-2025 0.47 $* 0.73 $*
Jun-19-2025 0.4 $* 0.36 $*
May-19-2025 0.26 $* 0.7 $*
Apr-19-2025 0.52 $* 0.38 $*
Mar-19-2025 0.82 $* 0.53 $*
Feb-19-2025 0.6 $* 0.1 $*
Jan-19-2025 0.64 $* 0.26 $*

Характеристики




 


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Carbon Dioxide



Sensing element



Non-Dispersive Infrared Detector (NDIR)



CO2 measuring range



0~2000ppm (default)


0~5000ppm (selected in the advanced setup)



CO2 Accuracy @22℃(72℉)



±50ppm + 3% of reading or ±75ppm (whichever is greater)



Temperature dependence



0.2% FS per℃



Stability



<2% of FS over life of sensor (15 year typical)



Pressure dependence



0.13% of reading per mm Hg



Calibration



ABC Logic Self Calibration Algorithm



Signal update



Every 2 seconds



Warm-up time



2 hours (first time) / 2 minutes (operation)



General Data



Power supply



24VAC/VDC or 100~230VAC(for relay outputs)



Consumption



2.5W avg., 5.5W max.



Relay output



Up to three relay outputs, max.5A/ resistive load/each for control up to three devices.



Analog output



Up to three 0~10VDC linear outputs or PID control outputs


for CO2 & temperature & RH (or TVOC)



Modbus communication (optional)



RS-485 with Modbus protocol, 19200bps rate, 15KV antistatic protection, independent base address.



Color screen



3-color TFT high definition screen displays measurements and setting /working information.



Operation conditions



0~50℃; 0~95%RH, non condensing



Storage conditions



-10~60℃, 0~80%RH



Net Weight



280g



Dimensions



150mm(L)×90mm(W)×42mm(H)



Installation



wall mounting with 65mm×65mm or 2”×4”wire box



Housing and IP class



PC/ABS fireproof plastic material, protection class: IP30



Standard



CE-Approval



 


 


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Tongdy Sensing, located in Beijing Zhongguancun Environmental Science and Technology Park, which is the leader of air quality detection.Tongdy has been always focusing on its strong technology development and design capabilities, constantly providing high quality products for air quality monitoring and control. 


Tongdy has its own R&D office building and massive investments in R&D facilities like aging and testing laboratories and professional calibration chambers provide the necessary conditions for its continuous R&D and stable development. Tongdy’s products include: Carbon dioxide, carbon monoxide, ozone, TVOC, PM2.5/PM10, formaldehyde and other gas monitors/controllers; indoor air quality/in-duct air quality/outdoor air environment monitors, data collection and  analysis.


These products have been widely used in thousands of projects in Europe, North America, the Gulf region and the Asia-Pacific region for over 15 years, and accumulating long-term application data and experience in different environment.


Tongdy has excellent reputation and popularity in the HVAC and green building industries.


 


8-310-24PINTU


 


 


 


 


 

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