VOCS detector electric photoionization detector

Description :

　　What is a VOC detector: In fact, a VOC detector is widely used in various chemical sites because of its high value, making it suitable for air detection and easy to carry. Often used to measure toxic and organic gases in hazardous environments. The detection methods for VOC gases include hydrogen flame (hydrogen flame), PID (photoionization), chromatograph, and semiconductor. At present, most VOC detectors use PID optical ion sensors. Therefore, in the gas detector industry, PID detectors are actually VOC detectors.

　　The use of VOC detectors in confined spaces:

　　When using VOC detectors in confined spaces, attention should be paid to flammable and harmful gases, such as reaction tanks, sewers, ship cargo holds, underground facilities, and other environmental environments. Before entering a sealed environment, testing must be conducted. In this situation, it is necessary to choose a detector with a suction pump, because in a closed environment, due to the lack of air circulation, gas diffusion is slow, and the gas distribution in different parts varies greatly. For example, combustible gases have a lighter mass;

　　Most of them are distributed in the upper layer of enclosed spaces, where carbon monoxide has a mass similar to air and is generally located in the middle layer of the enclosed space. Heavier gases such as hydrogen sulfide are located at the bottom of the enclosed space. In addition, considering the hazardous gases in enclosed spaces, a built-in suction pump should be used for non-contact long-distance detection of multiple gases. At the same time, it is easy to carry and does not affect workers' work, so as to ensure the safety of personnel entering enclosed spaces;

　　In addition, after entering a sealed environment, it is necessary to continuously detect the internal gas to prevent leakage and changes in hazardous gas concentration caused by temperature and other factors.

　　VOC detector is a commonly used detection instrument, which has the advantages of measurement, stable performance, flexible use, and easy maintenance. It is particularly suitable for personal safety protection and on-site VOC detection.

　　VOC detector function:

　　1. Monitor the concentration of gases in the environment or confined spaces and sound an alarm;

　　2. Equipped with self calibration function and zero point calibration function, making gas monitoring more accurate and reliable;

　　3. One click factory reset function can eliminate the trouble of misoperation;

　　4. Equipped with temperature and pressure compensation, it can compensate for gas concentration under different temperature and pressure environments;

　　5. Two level sound and light alarm, alarm points can be set by oneself;

　　6. Large capacity lithium polymer rechargeable batteries;

　　7. Pump suction sampling method, with adjustable suction force of the pump;

　　8. The shell is made of high-strength special engineering plastic, which is anti slip, waterproof, dustproof, and explosion-proof;

　　9. Fine aluminum alloy suitcase.

　　Industry applications of VOC detectors:

　　Refining and petrochemicals, manufacturing of chemical raw materials and products, manufacturing of chemical raw materials and drugs, manufacturing of synthetic fibers, surface coating, printing, shoemaking, furniture manufacturing, artificial board manufacturing, electronic component manufacturing, textile printing and dyeing, plastic manufacturing and plastic products, life service industry, etc.

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• VOCS detector