8 major features of photoionization gas detectors
① Continuous sensitive measurement: PID can detect the presence of organic matter as low as ppm concentration (parts per million). This has great advantages for modern petrochemical industry, labor hygiene, environmental monitoring, etc.
②Fast: The response time of PID is generally less than 3s (seconds), which is suitable for rapid emergency needs.
③Portable measurement: The portable gas detector is small in size and light in weight, and can be carried to any location where detection is required. The powerful suction pump can absorb gases in places that are inconvenient for people to reach.
④No need for dangerous carrier gases such as hydrogen, safe and reliable.
⑤Wide adaptability: This includes two aspects. One is that it can detect most organic substances, and the other is that the concentration range it measures is wide, from 0.1ppm to 5000ppm. The instrument can be accurate at 0.1ppm. degree is measured.
⑥ Non-destructive measurement: Since the photoionization gas detector only ionizes organic matter, the organic components will recombine after leaving the detector. Therefore, the PID's powerful suction pump can be used to operate the sampling bag and further analyze the measurement sample.
⑦ No poisoning: Unlike most other detectors or sensors, the PID detector will not be damaged (poisoned) by high concentrations of other test substances. Its recovery time is the same as its reaction time, which is only 3 seconds, so it can measure real-time concentration at any time.
⑧Only reacts to organic compounds: The photoion gas detector does not react to common gases, such as oxygen, carbon monoxide, chlorine, methane, etc., so it has certain directivity in complex environments, that is, it only reacts to organic compounds.
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