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-QT8
Brand:tianqiong
1.Methane sensor technical parameters
Methane sensor is an integral part of a fixed gas detection system that monitors the methane or natural gas air concentration level.
| 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.Methane sensor product size diagram

Handheld Anemometer employs precision sensors and intelligent chips to accurately measure both wind direction and wind speed simultaneously. It is suitable for agriculture, forestry, environmental protection, marine science, and scientific research, used for real-time monitoring of atmospheric...
4G version high-precision handheld 8-element weather station can simultaneously and accurately measure eight meteorological elements. Its 4G module allows for easy replacement of the IoT SIM card. The compact and lightweight design allows for one-handed operation, making it suitable for variou...
Negative oxygen ions are negatively charged particles formed when oxygen molecules combine with free electrons through natural processes. Known as the "air freshening factor", they not only purify the air but also regulate human health. They can adsorb dust and odor molecules, and improve...
During ship navigation, when encountering waters with unknown water depth conditions, ship drivers face potential risks such as reef striking and stranding, which seriously threaten navigation safety. In such cases, a Portable Ultrasonic Water Depth Meter can be used.The Portable Ultrasonic Water De...