The fume hood is a common laboratory equipment used in laboratories that requires the removal of harmful gases and the need to clean the river during the experiment.
working principle
A system of water, electricity, gas and ventilation, equipped with multi-function power sockets, to facilitate the trial of other electrical equipment during the experiment. The quick-opening valve is convenient for water during the experiment. The front baffle is a glass door that can be moved up and down, and the top is a low-speed exhaust fan, which can smoothly discharge harmful and odorous gases during the experiment. The bottom of the working face is equipped with a stainless steel sink, which can discharge the disinfectant and experimental residues from a drain tank by washing, keeping the experimental environment safe and reliable.
Structural features
The frame is made of 50% fireproof MDF material, and the experimental area is made of stainless steel veneer. It has good sealing, beautiful appearance, firmness and durability.
Technical Parameters
model | SW-TFG-12 |
Exhaust wind speed | Adjustable in the range of 0.3-0.6m/s |
average wind speed | 0.25-0.45m/s |
Inlet pressure | >0.5Pax |
power supply | AC, single phase 220V/50HZ (200W) |
Zui big power consumption | 400W |
weight | 160KG |
Fume hood use precautions
1. It is necessary to check whether the power supply voltage is in accordance with the regulations of the fume hood. The exhaust motor must be inspected regularly. If you find any problem, please contact our after-sales service department. Do not choose to repair.
2. Before using the fume hood, the laboratory can work in the cabinet before turning on the exhaust fan.
3. When performing low-explosion and spattering experiments, the glass panel of the fume hood must be closed. It is strictly forbidden to carry out strong explosive experiments in the cabinet to ensure the safety of the operator.
4. When operating the experiment, do not use any part of the body such as the head or hands, and even other hard objects collide with the glass movable panel.
5. When using the fume hood, it must be operated on the working surface. Do not carry out dangerous and toxic experiments outside the cabinet to prevent the toxic gas from evaporating into the room, endangering the safety of the staff.
6. When using an electric furnace in a fume hood, it is recommended to place an asbestos pad or a heat insulation board under the electric furnace.
7. After the experimental operation is completed, the exhaust fan should be kept running for about 1-2 minutes to ensure that all toxic gases and residual exhaust gases in the fume hood are discharged.
8. After the experiment is completed, turn off all the power supplies, then clean the fume hood, remove the debris and solution splashed on the countertop or side panel, and do not clean it when the battery is running or the motor is running.
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What is Indoor PTZ Camera
PTZ: In the security monitoring application, it is the abbreviation of Pan/Tilt/Zoom, representing the pan tilt omnidirectional (up and down, left and right) movement, lens zoom and zoom control.
PTZ: In the security monitoring application, it is the abbreviation of Pan/Tilt/Zoom, representing the pan tilt omnidirectional (up and down, left and right) movement, lens zoom and zoom control.Automatic tracking is divided into three types: one is through embedded video encoder, also known as intelligent visual server; the other is PC software; the other is to directly write the tracking algorithm to DSP chip, and then design the DSP chip as a hardware circuit on the high-speed ball motherboard, and the high-speed ball is directly read. Among the three types, the third type is used most in the current market.
The intelligent vision PTZ automatic tracking and monitoring system consists of an intelligent vision server (responsible for intelligent analysis and command) and a high-speed spherical camera (responsible for tracking targets). The automatic PTZ intelligent tracking function enables the camera to automatically PTZ drive its own PTZ and zoom lens, and automatically control the PTZ camera to rotate the PTZ in all directions and zoom the lens, and perform visual oriented automatic tracking for the locked moving target, so as to ensure that the tracking target continues to appear in the center of the lens with a close-up image, so that the security personnel can see the information more clearly, It can also be used for obtaining evidence afterwards. The automatic PTZ tracking module makes up for the narrow field of vision of fixed camera monitoring, which is an essential function of a perfect security monitoring system.
The intelligent vision PTZ automatic tracking and monitoring system has the target analysis function, and is equipped with a high-resolution camera, a large magnification optical zoom lens and a high speed PTZ, which can automatically capture suspicious targets quickly and accurately. By setting the preset position intelligent vision PTZ automatic tracking monitoring system, the preset position scanning, automatic cruise and other functions can be realized, and many special requirements of intelligent monitoring can also be realized. In addition, the intelligent vision PTZ automatic tracking and monitoring system also has the advantages of beautiful appearance and strong concealment, so it is very suitable for public security intelligent monitoring applications in airports, squares, rail transit, villas, government administrative units, military regions, museums and other types of places.
The automatic PTZ tracking and monitoring system integrates optics, electronics, machinery, information processing and network, and is composed of camera, power transmission, motion control device, image analysis, recognition, compression and communication based on high-speed parallel processing. It has the functions of video camera, position control, orientation and lens preset, moving object detection, recognition and tracking, flame and smoke detection and alarm, etc. It can be widely used in buildings, banks, airports, stations, customs, transportation, power, factories and mining enterprises and other security monitoring occasions.
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