The constant temperature and humidity test chamber provides a simulated environment of high temperature, low temperature, high humidity and low humidity to detect the deterioration degree of the material and strength of rubber, plastic and electronic products before and after the test. This machine can also simulate the container environment to detect the discoloration and shrinkage of rubber and plastic under high temperature and high humidity. Test the heat, cold, dry and wet resistance of various materials. The high and low temperature humidity and heat alternating test chamber is suitable for electronics, electrical appliances, batteries, universities, research institutes, inspection and quarantine bureau, paper products, food, vehicles, auto parts, metals
Meet the standard 1. Technical conditions of GB11158 high temperature test chamber
2. GB10589-89 Technical Conditions for Low Temperature Test Chamber
3. GB10592-89 Technical Conditions for High and Low Temperature Test Chamber
4. GB/T10586-89 Technical Conditions for Damp Heat Test Chamber
5. GB/T2423.1-2008 Low temperature test chamber test method
6. GB/T2423.2-2008 High temperature test chamber test method
7. GB/T2423.3-2006 Test Method for Damp Heat Test Chamber
8. GB/T2423.4-2008 Alternating damp heat test method
9. GB/T2423.22-2002 Test Method for Temperature Change
◆ IEC60068-2-1.1990 Low temperature test chamber test method
11. IEC60068-2-2.1974 High temperature test chamber test method
★ GJB150.3 high temperature test
GJB150.4 low temperature test
14. GJB150.9 damp heat test
Prohibitions for experimental equipment 1. Test or storage of samples of flammable, explosive and volatile substances
2. Test or storage of corrosive substance samples
3. Test or storage of biological samples
4. Test or storage of strong electromagnetic emission source samples
Inner box size and outer box size Inner box size: (width * height * depth) 400mm * 500mm * 500mm
Outer box size: (W * H * D) 900 × one thousand and four hundred × 1200 mm
Box volume: 80L
Temperature range - 40 ℃~+150 ℃
Humidity range 50 ～ 95% R • H adjustable
Temperature and humidity control range
Control stability temperature ± 0.5 ℃; Humidity ± 2%
Distribution uniformity temperature ± 2.0 ℃; Humidity ± 3.0%
Resolution temperature: 0.01 ℃; Humidity: 0.1% R.H
Average temperature rise time 3 ℃/min, non-linear temperature rise
Average cooling time 1 ℃/min, non-linear cooling
Temperature limit maximum temperature+150 ℃; Low temperature - 70 ℃
Introduction to the structure of the constant temperature and humidity test box is divided into three parts: the test room, the electric control cabinet, and the machine room: the upper left side is the test room, which is composed of the insulation layer test chamber, and the left single-door type access; The electric control cabinet is located on the right side, and the panel is mainly composed of temperature controller, switch button and fault protection indicator light; The engine compartment is located under the test room and consists of filter, solenoid valve, circuit part, compressor and other accessories.
Shell material steel plate baking paint
Inner box material SUS # 304 stainless steel plate;
Thermal insulation material: polyurethane rigid foam+glass wool
1 piece of silicone foam pressing
Two stainless steel shelves with adjustable height are set in the box
The heater is made of stainless steel fin type heat dissipation tube imported from Taiwan, China, China
Design of split humidifier cylinder
Blower motor
Stainless steel extended shaft
Multi-wing aluminum alloy fan wheel
Special adjustable shutter air supply and circulation system
Box door single door, double door, embedded non-reaction plane handle
Three-layer vacuum glass enlarged window
Electric automatic defogging, LED lighting
One built-in portable water tank (convenient for cleaning)
1 automatic feed pump (automatically supply water from the lower water tank to the upper layer)
Water shortage alarm device
Four polyurethane movable universal wheels are installed at the bottom of the tripod body
Characteristics of refrigeration system Multi-segment automatic load capacity adjustment technology
Compressor~French "Taikang" brand fully enclosed compressor
Condenser - fin type heat dissipation fan
Evaporator-fin type multi-stage automatic load capacity adjustment
Expansion valve~European and American imported components
Refrigerant~environment-friendly frozen snow seeds
Accessories~desiccant, oil separator, snow seed window, etc
Controller picture
The control mode of the constant temperature and humidity test chamber is the balanced temperature and humidity control system (BTHC), which controls the SSR in the P.I.D. mode, so that the heating and humidification amount of the system is equal to the heat and humidity loss, so it can be used stably for a long time.
Independent research and design of controller features
Programmable controller
LCD, color screen display
Touch screen direct button type
Temperature and humidity simultaneous programmable controller
Chinese and English display
7-inch true-color large screen
High contrast large LCD LCD display controller with adjustable backlight function.
Controller specification accuracy: temperature ± 0.1 ℃, humidity ± 1% R.H
Resolution: temperature ± 0.1, humidity ± 0.1% R.H
With upper and lower limit standby and alarm functions
Temperature and humidity input signal selection PT 100 Ω × 2 (dry bulb and wet bulb)
9 groups of P.I.D control parameter settings, P.I.D automatic calculation
Automatic correction of wet and dry bulb
The screen display function adopts the picture-to-talk mode, without key input, and the screen can directly touch the option
Temperature and humidity setting (SV) and actual (PV) values are displayed directly
It can display the current execution program number, segment times, remaining time and cycle times
Operation cumulative time function
Temperature and humidity program setting values are displayed in graphical curves, with real-time display program curve execution function
With separate program editing screen, each page can input at least 5 segments of temperature, humidity and time
Chinese and English can be switched freely.
The fault prompt screen is displayed.
The screen can be adjusted for backlight
The screen display protection function can be set for timing, TIMER or manual shutdown
Program capacity and program groups available for control function: 120 PATTEN at most
Available memory capacity: 1200 SEGMENTS in total
Repeatable commands: each command can be executed up to 999 times
The production of the program is conversational, with editing, clearing, inserting and other functions
SEGMENTS time setting 0 ～ 99Hour59Min
With power-off program memory, it can automatically start and continue to execute the program after power-on
Graphic curve can be displayed in real time during program execution
With reservation start and shutdown function
With date and time adjustment function
Key and screen lock function
Compressor French "Taikang" brand fully enclosed compressor
Compressor picture
Condenser fin type heat dissipation fan
Fin-type multi-stage automatic load capacity adjustment of evaporator
Expansion valve imported from Europe and America
Refrigerant environment-friendly frozen snow (Honeywell environmental refrigerant R404A and R23)
Features Multi-segment automatic load capacity adjustment technology
Refrigeration auxiliary components desiccant, oil separator, snow seed window, etc
One water tank is built in the tank
Add purified water or distilled water to the water quality (the tap water will have dirt, which is easy to block the pipeline and affect the product test)
Protection device 1. Zero crossing brake fluid power controller
2. Heating air incineration protection switch
3. Compressor overpressure protection switch
4. Compressor overload and overcurrent protection switch
5. Phase loss protection switch
6. Fuseless overload protector
7. Water tank water shortage protection switch
8. Heating and humidification fast insurance
Operating voltage 220V ± 10% 50HZ
Power is about 4KW
Allowable operating environment 0~30 ℃
Performance guarantee environment 5~25 ℃
1 set of threaded cover with 50mm test hole on the left side of the body
Non-woven fabrics 3 pieces for standard test
One copy of the specification shall be provided when ordering
One copy of equipment manual
