OEM Supply Indoor Ventilation - Reliable and High quality In door air quality Carbon Dioxide Detector TS21-CO2 – Tongdy

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We rely upon strategic thinking, constant modernisation in all segments, technological advances and of course upon our employees that directly participate in our success for , , , our products have good reputation from the world as its most competive price and our most advantage of after-sale service to the clients。

OEM Supply Indoor Ventilation - 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

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owing to good service, a variety of high quality products, competitive prices and efficient delivery, we enjoy a good reputation among our customers. We are an energetic company with wide market for OEM Supply Indoor Ventilation - 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: Riyadh, Kenya, Greenland, Customer satisfaction is our first goal. Our mission is to pursue the superlative quality, making continual progress. We sincerely welcome you to make progress hand in hand with us, and construct a prosperous future together.

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