8 Key Features of Photoionization Gas Detectors
① Continuous sensitive measurement: PID can detect the presence of organic compounds at concentrations as low as ppm (parts per million). This has great advantages for modern petrochemicals, labor hygiene, environmental monitoring, and more.
② Fast: The response time of PID is generally less than 3 seconds, which is suitable for quick emergency needs.
③ Portable measurement: The portable gas detector is compact in size and lightweight, and can be carried to any location that requires detection. A powerful suction pump can suck up gases that are difficult for personnel to reach.
④ No need for dangerous carrier gases such as hydrogen, reliable.
⑤ Wide adaptability: This includes two aspects. Firstly, it can detect the vast majority of organic compounds. Secondly, the concentration range it measures is wide, ranging from 0.1ppm to 5000ppm, and the instrument can measure with an accuracy of 0.1ppm.
⑥ Non destructive measurement: As the photoionization gas detector only ionizes organic matter, it will recombine after the organic components leave the detector. Therefore, the powerful suction pump of PID can be used for sampling bag operation to further analyze the measured samples.
⑦ Not poisoned: Unlike most other detectors or sensors, PID detectors are not damaged (poisoned) by high concentrations of analytes. Its
recovery time is the same as its reaction time, only 3 seconds, so it can measure real-time concentration at any time.
⑧ Only reacts with organic compounds: The photoionization gas detector does not react with common gases such as oxygen, carbon monoxide, chlorine, methane, etc. Therefore, it has a certain directionality in complex environments, that is, it only reacts with organic compounds
