As a mature perimeter security alarm series, the performance of the laser detector ensures that it has strong environmental adaptability and superior outer casing protection, so that the inside of the detector is well protected, but the laser is detected. There are always some common glitch in the process of using and installing the device . As long as we understand it a little, we can solve it ourselves, which is very practical.
When the laser detector is in use, the most important thing is to rely on the laser at the front end to prevent the area, but sometimes there will be "zone false alarm" and "zone no alarm". This time you need Check to see if there are any stains on the lens at the transmitting end and the receiving end, and to see if there is any obstruction on the path of the laser beam. These are the factors that affect the false alarm. Because the laser has a large density of radiation and the beam is concentrated, it is basically not There will be cases of false positives due to environmental factors. For the case where the "zone does not alarm", there are three possibilities, 1. the device crashes, 2, the zone is bypassed, 3. the system is not armed. You can check each of these three different situations one by one, restart the device after power off or cancel the bypass setting and perform the arming test.
In addition to the front-end laser beaming is prone to problems, the alarm host and keyboard are also small problems during installation, such as the keyboard is always ringing, in this case, if the front end is all normal, it may be that the port wiring behind the keyboard is loose, the connection has problems, will The wiring can be tightened to solve it. The alarm host not only needs to be connected to each device during installation, but also needs to be powered on. Otherwise, it will not give you any reaction.
Most of the glitch during installation is because the installation is not careful enough, as long as we can follow the installation instructions step by step, to ensure that each step is correct, basically no such problem.
Plate And Frame Heat Exchanger
Removable Plate Heat Exchanger (RPHE) is a type of heat exchanger composed of a series of plates which are held together with gaskets. The plates are connected in a plate pack that forms a sealed Pressure Vessel. The plate pack is assembled between a fixed frame plate and a movable pressure plate and is compressed by tightening bolts.
RPHEs are quite efficient as they have a large surface area compared to other heat exchangers. Heat transfer within the heat exchanger occurs between the plates and the fluids that flow through them. One fluid flows through the plate openings in each of them, and the heat transferred is determined by the size and number of plates in the exchanger. The heat -exchanging process is repeated in each of the plates and the collected heat is transferred to the other fluid.
Plate and Frame Heat Exchangers have proved beneficial in the food and beverage industries where they are used to maintain a safe temperature during the processing and storage of foods. In addition, they are used in chemical manufacturing to cool the various chemicals that are used in this industry.
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