Tianqiong Sensor IOT Technology Co., Ltd
Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China

Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China

Model:FT-QT5
Brand:tianqiong
1.Oxygen Sensors Technical Parameters
Oxygen Sensors are designed to measure the amount of oxygen in the air or in a closed environment,They measure the amount of unburned oxygen in the exhaust gas.
| model | Measurement parameters | Measurement range | Accuracy | Resolution | unit | Operating temperature | Working humidity |
| QT1 | Carbon monoxide | 0-1000PPM | ±2PPM | 1PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation |
| QT1S | 0-20PPM | ≤±5% | 0.01PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation | |
| QT2 | Sulfur dioxide | 0-20PPM | ±1PPM | 0.1PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation |
| QT2S | 0-1PPM | ≤±5% | 0.001ppm | PPM | -20℃-+50℃ | 10-95%RH without condensation | |
| QT3 | Nitrogen dioxide | 0-20PPM | ±1PPM | 0.1PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation |
| QT3S | 0-1PPM | ≤±5% | 0.001ppm | PPM | -20℃-+50℃ | 10-95%RH without condensation | |
| Qt4 | ozone | 0-20PPM | ±1PPM | 0.1PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation |
| QT4S | 0-1PPM | ≤±5% | 0.001ppm | PPM | -20℃-+50℃ | 10-95%RH without condensation | |
| QT5 | Oxygen content | 0~30%VOL | ±3%FS | 0.1%VOL | VOL | -20℃-+50℃ | 5-95%RH No condensation |
| QT6 | Negative oxygen ions | 0~100,000 units/cm³ | ±10% | 10 pieces/cm³ | Units/cm³ | +10℃-+70℃ | 10-70%RH without condensation |
| QT7 | Hydrogen sulfide | 0-100PPM | ±2PPM | 1PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation |
| QT8 | Methane | 0-100%LEL | ≤±3% | 1%LEL | LEL | -20℃-+50℃ | 10-95%RH without condensation |
| QT9 | Tvoc | 0-100PPM | 55±15 nA/ppm | 1PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation |
| QT10 | Ammonia | 0-100PPM | ±4PPM | 1PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation |
| QT11 | Nitrogen monoxide | 0-250PPM | -2~10PPM | 1PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation |
| QT12 | formaldehyde | 0-10PPM | <1PPM | 0.1PPM | PPM | -20℃-+50℃ | 10-95%RH without condensation |
2.Oxygen Sensors product size diagram

Water is the lifeblood of plant growth, permeating throughout their entire life cycle. Plants mainly rely on their roots to absorb water, and this water participates in numerous physiological activities within the plant.Photosynthesis is the core process of plant growth. Water and carbon dioxide und...
The 7-element Portable Weather Station can real-time monitor seven key meteorological elements: wind speed, wind direction, air temperature, humidity, atmospheric pressure, illumination, and optical rainfall. Monitoring wind speed and direction helps understand air flow conditions, which is of great...
Canals, as critical water transportation corridors, are highly sensitive to meteorological conditions and require multiple weather sensors to monitor their climatic status, ensuring navigation safety and the normal operation of canal facilities.What types of weather sensors are needed for canals?Sen...
Meteorology encompasses a wide range of elements, such as rain, ice, wind, frost, clouds, and temperature, among others. In the power system, "micro-meteorology" is different from what is described in meteorology. Power micro-meteorology refers to the meteorological conditions in a small s...