Tianyi 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-QT3S
Brand:tianyi
1.Nitrogen Dioxide Detector Technical Parameters
Nitrogen Dioxide Detector provides early warning and continuous monitoring of airborne NO2 levels for use in commercial facilities (e.g. parking lots, loading docks, etc.).
| 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.Nitrogen Dioxide Detector Product Size Diagram

In terms of application value, the popularization of integrated dust monitoring sensors like the FT-WQX8 is transforming traditional environmental monitoring models. In the past, single-parameter monitoring devices required separate deployment and maintenance. Not only did this result in high initia...
In the field of meteorological monitoring, TianYi has launched a series of Handheld Weather Stations, among which the FT-SQ5 model has attracted much attention. It integrates the monitoring functions of multiple key meteorological elements. With high-precision sensors and intelligent chips, it can a...
The Automatic Soil Monitoring System is a common device in modern precision agriculture and ecological environment monitoring. It provides reliable data for farmland irrigation, drought warning, and scientific research by measuring key parameters such as soil moisture, temperature, and electrical co...
Water quality monitoring equipment for water treatment plants is an integrated system for online monitoring of key parameters such as residual chlorine, pH, water temperature, turbidity, and conductivity. It provides a basis for multi-dimensional testing of source water, treated water, and network water, and is widely used in full-process water quality safety management from water plants to end-users....