Factory making Resetting Carbon Monoxide Detector - Reliable and High quality In door air quality Carbon Dioxide Detector TS21-CO2 – Tongdy
Factory making Resetting Carbon Monoxide Detector - Reliable and High quality In door air quality Carbon Dioxide Detector TS21-CO2 – Tongdy Detail:
Real time detection of air carbon dioxide and optional temperature and humidity
NDIR infrared CO2 sensor with patented self calibration
Up to 10 years lifetime of CO2 sensor and longer T&RH sensor
One or two 0~10VDC/4~20mA linear outputs for CO2 or CO2 &Temp. or CO2&RH
LCD display with 3-color backlight for three CO2 measured ranges
Modbus RS485 communication interface
24 VAC/VDC power supply
CE approval
Product detail pictures:


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We emphasize progress and introduce new merchandise into the market each and every year for Factory making Resetting Carbon Monoxide Detector - Reliable and High quality In door air quality Carbon Dioxide Detector TS21-CO2 – Tongdy , The product will supply to all over the world, such as: San Diego, Chicago, Puerto Rico, Our company has already have pass the ISO standard and we're fully respect our customer 's patents and copyrights. If the customer provides their own designs, We will guarantee that they will likely be the only one can have that merchandise. We hoping that with our good products can bring our customers a great fortune.

We are a small company that has just started, but we get the company leader's attention and gave us a lot of help. Hope we can make progress together!

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