Which brand of toxic gas alarm that uses PID principle for measuring benzene at the ppm level is good?
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Companies such as ENNIX, Honeywell, Hangzhou Juguang, Zhejiang Dekang, and Shenzhen Te’an all produce these products; they use different sensors, and the lifespan of the ultraviolet light source components also varies. Has anyone used a toxic gas detector that operates on the PID principle? Is it working well? Is the zero drift severe? Which other company manufactures alarms based on this principle?
Ours is good; it uses foreign sensors
Send it to tj_maverick@hotmail.com and take a look
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In China, Shenzhen Te’an is the best – there’s no one better than it
I recommend using the benzene probe from Shenzhen Nanyou Nuoan; it is recognized as the best quality in China, and its price is also the highest.
Shenzhen Nanyou Nuoan is better; it has a PID mechanism, a longer lifespan, and fewer problems. It seems that their company does a good job with PID.
Photoionization or photoion detection
Forget about those with focusing capabilities. PID controllers have one common problem: high air humidity can cause false alarms, especially on cloudy or rainy days. When equipped with audible and visual alarm lights, the display becomes really impressive! You might consider Nanyou Nuoan; it seems to be a fairly reliable option
For the PID of Nanyou Nuoan, excessive air humidity can still cause false alarms! ;P