The LRHS series of high and low temperature test chambers produced by Shanghai Linpin Instrument Co., Ltd. are characterized by excellent quality, stable performance, humanized design, intelligent operation, and long trouble-free operation time. They are loved by the majority of users and have been widely praised in the market. The customer return rate is as high as 100% and enjoys extremely high customer loyalty. The operation of the high and low temperature test chamber has five major system integrated controls. Each ring performs its own duties and is closely linked.
1. Control system: adopts the Japanese imported "Yu Yikong" brand temperature and humidity instrument, 7-inch high-definition true color LCD touch display, bringing you the sense of touch and vision, real-time monitoring (monitoring controller real-time data, signal points Status, actual output status), the controller can store historical data within 600 days (in the 24-hour operating state, the recording interval is more than 1min, when the temperature and humidity data are simultaneously recorded), and can play back the uploaded historical data curve in the control, the device has a powerful Network monitoring and control network functions, even if you are not next to the machine, you can operate and monitor on the computer in real time, knowing the operation of the device
2. Heating system: the use of far-infrared nickel-chromium alloy high-speed heating electric heater, high temperature completely independent system, does not affect the low temperature test, high temperature test and alternating damp heat, temperature and humidity control output power is calculated by microcomputer to achieve high precision and High efficiency of electricity consumption.
3. Humidification system: using shallow water humidification method, novel and unique, it is a patented product of forest frequency instrument, humidifier control mode: non-contact equal-cycle pulse width adjustment, SSR (solid state relay), with automatic compensation of water level and water shortage alarm system.
4. Refrigeration system: In order to ensure the requirements of the cooling rate and minimum temperature of the test box, the cooling system of this test box uses a cascade refrigeration system composed of imported compressors. The effective processing method can not only ensure the normal operation of the refrigeration unit, but also effectively adjust the energy consumption and cooling capacity of the refrigeration system, so that the operating cost of the refrigeration system can be reduced to a more economical state. In addition to safety protection and high-efficiency application, multiple energy-saving measures have been taken at the same time: such as: refrigeration capacity adjustment of the refrigeration system, gas-liquid bypass adjustment, and evaporation temperature adjustment. The power can be reduced to half, which reduces the operating cost and failure rate of the refrigeration system to a more economical state.
The intelligent automatic conversion expansion system is used to automatically adjust the refrigerant flow according to the load + intelligent electric heating power data value (%) to match the temperature rise (load) and automatically simulate the output power data output value. This design can save more than 30% power compared with the traditional design.
Fifth, the electrical system: the electrical parts are all imported from Schneider and other world-class brands. The first-class configuration guarantees you first-class product quality, and the first-class enterprises guarantee you first-class service quality.
Analysis of the five core systems of high and low temperature test chamber
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