Why is a gas detector necessary?
In the industrial production process, the leakage of flammable, toxic and harmful gases often occurs, which will cause serious threats to personnel, equipment, production, and life. The main reasons for leakage are :1. Material defects of production equipment or containers. 2. The sealing ring and ring are not tightly sealed. 3. The welding place of the container is subject to long-term electrochemical corrosion. 4. Human negligence, etc.
The leaked flammable gas or toxic gas is quickly diluted by air, so the location of the leak is difficult to find, and it is even more difficult to quantitatively analyze it. After a period of time, these gases will accumulate in some areas or at certain blind spots. When the content of flammable gas in the air reaches a certain value, it is very easy to burn or explode when encountering an open flame. If this very dangerous hidden danger cannot be discovered in time, it will cause great loss to personal safety and property.
To predict this potential hazard, you can install a larger number of gas detectors in living and production areas with potential leakage hazards, and they can continuously measure whether the combustible gas in the air around the device reaches the combustion or explosive concentration. Once the gas sensor detects the presence of combustible gas or toxic gas, it will immediately respond by displaying the reading, sounding an alarm, or sending an alarm to your mobile phone. Let people take immediate measures to deal with the leakage, on the other hand, disperse the surrounding air, reduce the concentration of flammable gas in the air, and avoid the occurrence of serious accidents.
How to choose the right gas detector?
1. Wall mount gas detector
This wall-mounted gas sensor is the cheapest industrial-grade gas detector. The overall appearance is made of waterproof ABS plastic, so it can be widely used in harsh environments with more smoke and dust. This gas detector has two output modes: rs485 and analog output, which can ensure stable signal and accurate measurement even after long-term work. The gas detector is equipped with a waterproof temperature and humidity probe at the bottom, which can meet the needs of users to simultaneously detect the three elements of temperature, humidity, and gas. In addition, multiple wall-mounted gas sensors can be installed in an industrial park and the detection information can be uploaded to a unified free cloud platform, effectively realizing accurate measurement and centralized monitoring of multiple locations. This is also the most economical gas detector.
2. Duct type gas detector
This duct mount gas detector adopts a new type of infrared verification technology for gas concentration measurement, and the response is rapid and sensitive, which avoids the short life and long-term drift problems of traditional electrochemical sensors. The enclosure has a high degree of protection and can adapt to various harsh conditions on-site. The measuring element is located in a 22 cm long stainless steel probe. When measuring, make a suitable hole in the tube to be measured, insert the probe and fix it with a flange. After the wiring is completed, the gas concentration in the pipeline can be stably detected for a long time, and the probe is waterproof and has a long service life.
2. Duct type gas detector
This duct mount gas detector adopts a new type of infrared verification technology for gas concentration measurement, and the response is rapid and sensitive, which avoids the short life and long-term drift problems of traditional electrochemical sensors. The enclosure has a high degree of protection and can adapt to various harsh conditions on-site. The measuring element is located in a 22 cm long stainless steel probe. When measuring, make a suitable hole in the tube to be measured, insert the probe and fix it with a flange. After the wiring is completed, the gas concentration in the pipeline can be stably detected for a long time, and the probe is waterproof and has a long service life.
4. Handheld single gas detector
The appearance of this portable gas detector is the same as the above 4 in 1 gas detector, and it is also suitable for customers who measure gas concentrations in different places. It also has three alarm functions of sound, light and vibration and data storage function. This gas detector is mainly used to measure the concentration of a single gas, so it will not be interfered with by other gases during the measurement process, and the data is intuitive. There are two types of this gas sensor: diffusion and pumping. The diffusion type is to rely on the gas flow entering the inside of the detector to be detected by the sensor module and output signals.
The pumping type relies on the suction pump on the top to suck the surrounding air into the inside to be detected by the sensor module and output signals. Therefore, the diffusion type measurement speed is slower but the data is more real, the pumping type measurement speed is fast but the value is affected by the suction pump. Users can choose according to their own needs.
This is a typical explosion-proof gas detector, which is mostly used for the monitoring of flammable and explosive gases in industrial sites. The overall appearance is made of stainless steel, with a high explosion-proof grade, and is certified by the National Institute of Metrology. This fixed gas detector detects a single gas, but the measurable gas range is wide, and there are multiple ranges to choose from, which can greatly meet the needs of most users. When in use, the gas concentration can be monitored continuously for a long time. Once the gas concentration exceeds the standard, it will send out a double sound and light alarm to remind the user to take measures. In addition, this gas detector adopts remote infrared remote control technology, which can modify parameters without disassembly, which is more convenient and efficient.
6. Outdoor gas detector
This outdoor gas sensor adopts a solar radiation shield that can be used for long-term monitoring of outdoor environments. It is often used with weather stations to detect weather elements and gas conditions in the current environment. Multiple gas sensor modules can be placed inside a solar radiation shield, so multiple gas concentrations can be detected at the same time. Customers can freely match according to their own needs. The protection level of the solar radiation shield is IP68, which can effectively prevent rain and snow. Therefore, this gas detector has higher accuracy and stronger stability for outdoor gas detection.
7. Smart single gas detector
This small gas detector is also a device for measuring the concentration of a single gas. It mainly meets users who have high requirements for aesthetics. The overall appearance is square and bright white, and it is elegant to install indoors. Using standard Modbus protocol, the transmission signal is stable and the measurement accuracy is high. This smart gas detector is highly customizable, the gas and range that measured can be customized according to user needs. In addition, it adopts remote infrared remote control technology, and the parameters can be modified without disassembly. When the concentration exceeds the preset alarm value, an audible and visual alarm signal will be issued to remind the user to take safety measures in time.
8. All in one gas detector
This multifunctional gas detector is currently the most powerful gas detection equipment. Its measurement elements include temperature, humidity, PM2.5, PM10, air pressure, light, TVOC, CO2, formaldehyde, O3, CO, CH4, O2, SO2, NO2, H2, H2S, NH3, etc. You can choose 11 kinds of random combinations. Support wifi and rs485 two signal output. The built-in gas module uses electrochemical and catalytic combustion sensors, which have excellent sensitivity and repeatability. Suitable for customers who need to monitor multiple elements on important occasions. The only disadvantage is that the gas detector itself does not have a data display screen, and customers need to view the data in real-time through a free platform or mobile APP.
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