Walk-in laboratoryIt has the characteristics of large experimental space, and operators can operate the test samples in the laboratory, providing temperature and humidity environment testing conditions for industrial manufacturers' batch or large parts, semi-finished products, and finished products. Adopting advanced Chinese LCD display screen touch screen, various complex program settings can be carried out. The program settings adopt dialogue mode, and the operation is simple and fast. It can achieve automatic operation of the refrigeration machine, and can be equipped with a LAN communication interface for users to remotely process and centrally control. It can record temperature and temperature parameters for 90 days, and is equipped with a paperless recorder.

　Walk-in laboratoryPerformance and features:

1. It has an extremely wide temperature and humidity control range, which can meet various needs of users. By adopting the balanced temperature and humidity control method of *, a safe and humid environment can be achieved. It has stable and balanced heating and humidification performance, and can achieve high-precision and highly stable temperature and humidity control.

2. Equipped with high-precision intelligent temperature regulators, temperature and humidity are displayed using LED digital display. Optional temperature and humidity recorder.

3. Automatic selection of refrigeration circuit, the automatic control device has the performance of automatically selecting and operating the refrigeration circuit according to the set value of temperature, realizing direct start of the refrigeration machine and direct cooling under high temperature conditions.

4. The inner door is equipped with a large observation window, which facilitates the observation of the experimental status of the test samples.

5. Equipped with advanced safety and protection devices - residual current circuit breaker, over temperature protector, phase loss protector, and water cut-off protector.

　　Walk-in laboratoryCustomized according to customer requirements.

Parameters inside the walk-in laboratory environment test chamber: 1. Temperature technical parameters: 1) Temperature range: -40 ℃~60 ℃ 2) Temperature accuracy Temperature control accuracy: ± 1 ℃ (under static load and no load); ± 1.2 ℃ (during emission testing). Uneven degree: ± 2 ℃ 3) No condensation phenomenon on the cabin wall within the temperature range of -40 ℃ to 60 ℃ 2. Humidity technical parameters: 1) Emission test: Humidity (H) 5.5 ≤ H ≤ 12.2gH2o/kg air (23 ℃~27 ℃) 2) During the Euro 3/4VI type test, the humidity inside the cabin should be low enough throughout the entire test period to prevent water from condensing on the chassis dynamometer drum. Ensure no frost formation during temperature changes. 3) Performance test: When the temperature in the test chamber is 25 ℃, the relative humidity is 50% RH ± 5%. 3. Environmental test chamber temperature and humidity dynamic technical parameters: 1) Meet the requirements of QC/T658-2000 standard: When the temperature is 38 ± 1 ℃, the humidity is 50% RH ± 5%, and the continuous operation is greater than 1 hour; 2) Technical requirements for high temperature testing: Continuous operation with humidity of 68 ± 5% RH at+15~60 ± 1 ℃; 3) When the temperature is 30 ℃ and the car is idling, the overall heat dissipation of the vehicle is 25KW, and the relative humidity of Z reaches 90 ± 5% RH, with continuous operation for more than 1 hour. 4) When the temperature is between 23 ℃ and 27 ℃, the humidity can be controlled between 32% and 54% RH. 5) During the experiment, the environmental temperature and humidity can be tracked, and the load changes can be controlled smoothly within the set humidity. 4. The temperature rise and fall rate requirement is ≥ 0.4 ℃/min. 5. The air pressure in the environmental test chamber is ensured to be slightly positive (short-term negative pressure) when the test is running stably, and a pressure balance device is installed inside the chamber. 6. Operation mode of environmental test chamber: 1) The system has dual operation functions of automatic control/manual control; 2) During the experiment, automatic/manual bidirectional undisturbed switching can be achieved; 3) Real time display of experimental procedures and parameters; 4) Real time curve display; 5) Real time parameter display and printing; 6) Real time storage of experimental data; 7. The system has testing and self diagnostic functions; 1) The exhaust system (smoke exhaust system) of the environmental test chamber can be separately set up and put into use; 3) Variable frequency controllable speed of exhaust extraction unit, closed-loop control of pressure at the tailpipe of the vehicle. 4) The exhaust extraction fan has a capacity of 3600m3/h or more. 5) The closed-loop control system ensures that the cabin pressure is zero or slightly above atmospheric pressure. 8. Environmental test cabin fresh air system 1) Fresh air is taken from outside the test room (temperature range -10 ℃~+40 ℃, relative humidity 35%~85% RH). The fresh air regulating unit provides a fresh air volume of ≥ 6000m3/h at 25 ℃. 2) Combined with the exhaust gas discharge unit, closed-loop control of the cabin pressure is carried out, with a pressure control of ± 10Pa. 9. Dehumidification system 10. To ensure a humidity of 5.5-12.2g/mg at 23 ℃~27 ℃, a dew point temperature dehumidification system at 5.2 ℃ is added to the evaporator system. 11. Environmental test chamber equipped with: 1) Lighting system, with a temperature of at least 600Lux at 1m above the floor at 20 ℃. 2) Emergency light, available for more than 1 hour. 3) Power socket: provides 4 plugs, 220V, 3 plugs, 380V4.) Machine insulation box: driver insulation box, can adapt to the temperature of -45 ℃~65 ℃ in the cabin environment. 4、 Upper computer Advantech industrial control computer CPU: Pentium 4, 3.0GHz display: 19 "true color (LCD) SCSI interface hard disk 80GB memory: 512MB or more read-write CD-ROM 1.44MB floppy disk drive 100M Ethernet card 3D optical mouse 64MB or more video memory graphics adapter operating system: pre installed Windows 2000 or NT4.0 professional edition printer: high-speed inkjet color printer.