The high and low temperature alternating test laboratory can provide temperature and humidity environment testing for large parts, semi-finished products, and finished products in the industry. It is mainly composed of control panels, distribution panels, insulation storage boards, supply fans, heaters, and refrigerators. The main specifications are divided into seven standard indoor dimensions and 15 different testing specifications under different conditions.
Product features:
◆ Adopting a combination of storage board units, the content area can be enlarged arbitrarily, and it is easy to disassemble and assemble. It can be designed according to customer size requirements and coordinated with customer expansion transfer.
The material of the warehouse board is made of stainless steel and heat-resistant steel plate baked paint, with a sturdy structure, waterproof, and beautiful appearance.
The horizontal diffusion vertical heat exchange circulation system using centrifugal air supply method avoids any dead corners and ensures uniform distribution of indoor temperature and humidity.
The controller can be connected to a computer, allowing users to design programs, collect test data and records, call program execution, and remotely control machine power on and off functions on the computer.
When abnormal conditions occur, the controller screen promptly displays the fault situation, cuts off the power switch, and provides troubleshooting methods.
The freezer adopts imported compressors from Europe and America, and uses environmentally friendly refrigerants. The refrigeration system adopts a binary low-temperature circuit system design, and different compressors are used in different temperature ranges to increase the service life of the equipment.

control system
Adopting the Japanese UNIQUE 7-inch ultra sensitive color LCD display touch screen, the screen operation is simple and the program editing is easy.
The controller operation interface is available in both Chinese and English, and the timely operation curve chart can be displayed on the screen.
■ It has a capacity of 100 sets of programs and 50 999 cycle steps, with a maximum time setting of 99 hours and 59 minutes per step.
Has 10 sets of program strings, each string can connect 6 sets of programs, and up to 5 sets of subroutines can be set in each set of programs for looping. (999 times)
After inputting the data and experimental conditions, the controller has a screen lock function to prevent manual touch and shutdown.
Equipped with P.I.D automatic calculation function, it can immediately correct temperature change conditions, making temperature control more precise and stable.
Equipped with a communication interface and connection software, it can design programs on a computer, monitor the testing process, and perform functions such as power on/off.
■ It has a nine point fault message display. In case of abnormal conditions during operation, the power supply will be immediately cut off and the cause of the fault will be displayed on the screen in real time.
It can provide a temperature linear DC signal output to the temperature recorder to understand the status of the testing conditions, thereby improving the reliability of the testing.

refrigeration system
▲ The freezer adopts imported compressors from Europe and America, and uses environmentally friendly refrigerants (R404, R23)
The refrigeration system adopts a binary low-temperature circuit system design and uses different compressors to work in different temperature ranges to increase the service life of the equipment.
▲ By utilizing a multi wing air supply fan for strong air circulation, any dead corners can be avoided, and the temperature and humidity distribution in the testing area can be evenly distributed.
▲ The wind path circulation adopts a side blowing air return design, with wind pressure and speed that meet the test standards, and can quickly stabilize the temperature of the switch.
Fully independent heating and cooling systems can improve efficiency, reduce testing costs, extend lifespan, and lower failure rates.

Technical specifications:

Partial successful cases:
Jilin Electric Power Science Research InstituteChengdu Zhonghuan Fluid Control Equipment Co., LtdAutomation Research Institute of PetroChina Lanzhou Company, Zhejiang Qianjiang Motorcycle Co., Ltd. (Vehicle Testing Laboratory), Ningxia Electric Power Science Research Institute, Ningbo Yongbo Vehicle Industry Co., Ltd., Zhejiang Beiliang Wind Energy Electronic Technology Co., Ltd., Ningbo University of Nottingham (Energy Research Center)Beijing Pathfinder Outdoor Products Co., Ltd., Inner Mongolia Electric Power Science Research Institute, Guizhou Building Materials Product Quality Supervision and Inspection Institute, etc...