A volatile organic compound (VOC) alarm is a device used to monitor and detect VOC concentrations in the environment. VOC alarms collect gas samples by extraction or diffusion and use sensors to monitor VOC concentrations in the samples in real time. When the detected VOC concentration reaches or exceeds the preset alarm threshold, the alarm will sound and visually alarm to notify the operator or environmental supervisor to take appropriate countermeasures.
The core technology of VOC alarms includes sensors and controllers. The sensor is responsible for detecting the VOC concentration in the gas sample and converting the concentration information into an electrical signal. The controller is responsible for receiving the signals from the sensor and determining whether to trigger an alarm based on a preset threshold.
VOC alarms have a wide range of application values in many fields. In industrial production processes, VOC alarms can be used to monitor VOC emissions in the production environment to ensure that the production process meets environmental standards. In public places, such as hospitals, schools, shopping malls, etc., VOC alarms can be used to monitor indoor air quality and protect people's health. In addition, VOC alarms can also be used in environmental monitoring, early warning of hazardous working environments, hazardous chemical leakage monitoring and other fields.
To ensure the accuracy and reliability of VOC alarms, they need to be calibrated and maintained regularly. In addition, when installing and using VOC alarms, relevant safety specifications should be followed to ensure that the probe of the alarm will not be damaged, and at the same time ensure that the installation location of the alarm can accurately reflect the VOC concentration in the environment.