Humidification system: surface evaporation type, with additional humidifier for water shortage, power-off, and overheating protection.
Dehumidification system: freezing latent heat dehumidification method.
Cooling system: A single element fully enclosed air-cooled refrigeration system is used for temperatures above -20 ℃, and a binary fully enclosed air-cooled refrigeration system is used for temperatures below -40 ℃.
Water supply system: Built in pure water generation device, can directly tap water, and equipped with water shortage warning device
Inner box material: SUS#304, Mirror stainless steel.
Outer box material: SUS#304, Brushed stainless steel.
Insulation material: Rock wool and hard PU foam insulation
Safety device: no fuse switch, compressor overload, high cold coal, over temperature, power-off, protection switch, temperature limit protection and fault alarm device.
Temperature and humidity regulation balance temperature and humidity regulation method.
Standard equipment: automatic defogging glass window, two adjustable compartments, test hole, indoor light for operation, and moving wheel.
Optional equipment: Add sample holder, recorder, built-in glass door and operating hole. Special requirements can be customized according to requirements.
Power supply: 1 ф 3W 220V ± 10% or 3 ф 5W 380V ± 10%
After sales service: The manufacturer provides free installation, debugging, and technical training services. Free two-year warranty and lifetime maintenance for the entire device. During the warranty period, technicians will provide free quarterly maintenance to improve the service life of the equipment and follow up on customer service.
Laboratory chemical testing product constant temperature and humidity environment aging testing machine 80L direct sales manufacturer
The constant temperature and humidity test chamber can accurately simulate complex natural environments such as low temperature, high temperature, high humidity, and low temperature and low humidity, and is suitable for product reliability testing in various industries such as plastics, electronics, food, clothing, vehicles, metals, chemistry, and building materials.
Laboratory chemical testing product constant temperature and humidity environment aging testing machine 80L direct sales manufacturer
Cabinet material
1. The inner liner is made of high-quality SUS304 stainless steel plate, 2B plate or 8K mirror panel;
2. The shell is made of high-quality SUS304 brushed stainless steel plate or cold-rolled steel plate with electrostatic powder coating and paint treatment
3. Using non reactive explosion-proof door handles makes operation easier;
4. The bottom of the machine adopts high-quality fixed PU movable wheels;
5. The test hole (on the right side of the machine) can be used for external testing power or signal lines (the aperture or number of holes needs to be increased and indicated);
6. High density glass fiber cotton is selected as the insulation material, with a thickness of 100mm for the insulation layer;
7. The observation window is made of multi-layer insulated tempered glass, with a laminated conductive film on the inner side (allowing for clear observation of the test process);
8. The air duct system adopts a long axis fan motor and a high and low temperature resistant stainless steel multi blade impeller to achieve strong convection and vertical diffusion circulation;
9. Double layer high tensile sealing strips with high temperature resistance are used between the door and the box to ensure the sealing of the testing area;

Controller features
● With program correctionFunctions such as reservation, startup, power outage, memory, button locking, etc; The set curve and monitoring process;
● It has multiple alarm functions, and when a fault occurs, it can be displayed on the screen to eliminate the fault;
● 120 sets of programs can be set, with 1200 segments and up to 999 cycles. The maximum setting for each segment is 99 hours and 59 minutes;
Equipped with 9 sets of PID parameter adjustment to achieve stable and precise control;
● Human machine dialogue touch screen input system, easy to operate and learn, powerful functions, and can understand programs on the LCD screen
Unique air circulation design, with excellent uniformity in temperature and humidity distribution;
Vacuum double glass with automatic frost prevention device, allowing clear observation of the test samples inside the test chamber;
Pre installed automatic water inlet device, convenient for increasing humidification water.
Equipped with an RS232 communication interface, it can be easily controlled and monitored through a PC. It can also be optionally equipped with an RS485 interface, USB curve recording and data storage device, making it convenient to use.

Execution and compliance with standards
GB/T10586-2006 and GB/T10592-1989 manufacturing standards.
GB/T2423.1-2001 Test A: Low temperature test method
GB/T2423.1-2001 Test B: High temperature test method (partial)
GB/T2423.3-2006 Test Cab: Constant Damp Heat Test Method
GB/T2423.4-1993 Test Db: Alternating Damp Heat Test Method
GB/T2423.34-2005 Test Z/AD: Temperature and humidity combination or other temperature and humidity tests within the performance range of equipment

Temperature range: A:0~150℃ B:- 20~150℃ C:- 40~150℃ D:- 70~150℃
Humidity range: Standard type: 20% to 98% (low humidity type: 5% to 98%)
Temperature fluctuation: ± 0.5 ℃
Temperature uniformity: ± 2.0 ℃
Humidity fluctuation: ± 2% R.H
Humidity uniformity: ± 2.5% R.H
Heating rate: 1.0-3.0 ℃/min
Cooling rate: 0.7-1.2 ℃/min
Program control: using high stability platinum temperature measurement antibody, LCD Chinese and English touch screen, 120 sets of 1200 segment programming, 999 cycle settings, and multiple sets of PID control functions, with RS-232 computer interface control.
Heating system: SUS#304, Stainless steel heater.