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Talking about the working principle of gas detector
On the morning of June 27, 2009, a carbon monoxide poisoning incident occurred in a pharmaceutical factory of a Pharmaceutical Group Co., Ltd., resulting in the death of two employees. The company is a pharmaceutical company specializing in the production of antibiotics, with two shifts at work, with 12 people per shift. On the morning of the 27th, the shift leader and team members came to the No. 9 solid-liquid separation vibrating screen as usual, and poured the fermented abrasive into the press for cold treatment. The two were operating in the tank and outside the tank. The employees outside the tank found The employee in the tank fainted and immediately went into the tank for rescue. Unexpectedly, he also fainted. It was later discovered that he was poisoned by carbon monoxide. On the morning of September 8, 2012, an ammonia poisoning accident occurred in a food group company, which caused more than 20 people to be poisoned. It is understood that the explosion was caused by the company's fracture of the pipeline in the cold storage, which caused the leakage of ammonia. The above two accidents sounded the alarm for people. According to relevant regulations, chemical companies must install fixed gas monitoring equipment in the plant area to detect harmful gases that may leak, and arrange for relevant technical personnel to conduct interval inspections in the plant area to prevent problems with fixed equipment or detection blind spots. . With the continuous improvement of people’s safety awareness, gas detectors are now installed in other occasions where harmful gases exist except chemical plants to monitor the harmful gases in the air in real time and find gas leaks in time. However, everyone knows very little about the detection principle of gas detectors. The key component of the gas detector is the gas sensor. In principle, gas sensors can be divided into three categories: 1. Gas sensors that use physical and chemical properties: such as semiconductor, catalytic combustion, solid heat conduction, photoionization, etc. 2. Gas sensors using physical properties: such as thermal conductivity, optical interference, infrared absorption, etc. 3. Gas sensors using electrochemical properties: current type, potential type, etc. 110 LCD gas detector is a self-developed environmental gas concentration detector. It uses the principle of electrochemical sensor to detect gas concentration parameters in the air environment. When the concentration exceeds the preset alarm value, it will emit sound and light. Alarm and remote software alarm to remind staff to take safety measures in time to prevent explosion and poisoning accidents, thereby ensuring the safety of life and property. The liquid crystal gas detector can monitor hydrogen, carbon monoxide, hydrogen sulfide, methane, nitrogen dioxide, sulfur dioxide, oxygen, formaldehyde, ozone, phosphine and other gases in real time (one can be monitored alone or at the same time) Multiple monitoring), with the characteristics of rapid and sensitive response and strong anti-interference ability. After a unique compensation algorithm, multi-stage standard gas calibration, it has the characteristics of long life, high precision, high repeatability and high stability, and has the characteristics of high The high-quality large-screen LCD allows you to directly view the values u200bu200bon site. The LCD gas detector adopts a wall-mounted shell design, which can be installed on a wall or cabinet according to requirements, and is equipped with an infrared remote control, which has functions such as remote configuration parameters and quick switch alarms. The equipment adopts wide voltage 10-30V DC power supply, 485 signal output, standard Modbus-RTU communication protocol, Modbus address can be set, baud rate can be changed, and the communication distance is up to 2000 meters. The data can be uploaded to the supporting software and exported. Gas detection plays a very important role in the production of industrial enterprises. It is the key to preventing accidents and ensuring the smooth progress of enterprise safety production. It is the guarantee of the safety of production personnel and surrounding people. Many accidents are often caused by the inadequate supervision of gas, which can be avoided, but they eventually become accidents. It is really heartbreaking. And we also hope that the majority of production companies can improve gas detection and supervision, so that safety is always accompanied.
Hunan Rika Electronic Tech Co.,Ltd has created a professional team which contained with a numbers of engineers and technology experts.
is making its name in professional environmental monitoring systems all over the world, and with Hunan Rika Electronic Tech Co.,Ltd taking great care to make an excellent product & actively involved in keeping the industry well-regulated, it's a product that should make its way into your OEM sensor.
sensor solution can be great additions to companies looking to improve the well-being of their employees, as well as increase the efficiency and productivity of their workers across the organization.
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It is essential to know the basic functioning of to help us understand the components and the part they play.