Explosion-proof Type Greenhouse Temperature And Humidity Environmental Chamber Environmental Machinery
Product Usage
The simulated products are tested under the combination of temperature and humidity in the climatic environment (high
and low temperature operation & storage, temperature cycle, high temperature and high humidity, low temperature and low humidity,condensation test, etc.) to check whether the adaptability and characteristics of the product itself change.
Test limit
This test equipment is suitable for:
Electrical, electronic products, components and materials are stored in high and low
temperature environments Adaptability tests for storage, transportation and use.
Use of this test equipment is prohibited:
1.Testing or storage of flammable, explosive, volatile materials
2.Testing or storage of samples of corrosive substances
3.Testing or storage of biological samples
4.Testing or storage of samples from sources of strong electromagnetic radiation
The test standard to which the machine meets
ASTM F2825：Standard Specification for Climate Stress of Single-Package Shipping Packaging Systems
ASTM D6944：Standard Practice for Determining Thermal Cycling Resistance of Cured Coatings
ASTM D2126：Standard Test Method for Heat and Moisture Aging Response of Rigid Foams
MIL-STD-810G：High and low temperature testing part;Damp heat testing part
MIL-STD-202F： High and low temperature testing part;Damp heat testing part
Structure
1.Thermal insulation structure(can be customizable）
Outer wall material: high quality stainless steel 304 / cold rolled steel plate painting
Inner wall material: high quality stainless steel 304
Box insulation material: flame retardant fireproof rigid polyurethane foam
Door insulation material: flame retardant fireproof rigid polyurethane foam.
2.Air conditioning channel
Centrifugal fan, return air mode: air blow on equipment, return air
Heater, evaporator, water supply and drain, temperature sensor.
3.Test box standard configuration(can be customizable）
Window 250x320x40mm 3-layer vacuum layer
Explosive handle
Door hinge: SUS #304
Box light PL light 11W
Lead hole: φ50mm 1
4.Door(can be customizable）
Single door, left open, handle on the right hand side. With observation window 250*320 mm, lighting,
Window frame/door frame anti-condensation electric heating device
5. Control panel Controller display, over temperature protection setter
6. Mechanical room Refrigeration unit, water tray, drain hole
7. Distribution control cabinet, distribution board, exhaust fan
8. Heater Heating system: finned heat pipe type stainless steel electric heater heating air circulation mode
9. Humidifier Boiler type humidification system, circulating through the air duct system.
10. Power cable hole and drain hole are located on the back of the cabinet
Cooling System
1.Condenser Water-cooled shell tube heat exchanger.
2. Expansion system Refrigeration system (capillary) for capacity control.
3. Evaporation condenser Stainless steel brazed plate heat exchanger.
4. Refrigerator control mode The controller of the control system automatically adjusts the operating conditions of the refrigerator according to the test conditions.
Evaporate the pressure regulating valve.
Compressor return air cooling circuit.
5. Temperature and humidity controller
It adopts the micro-computer color LCD display touch screen, Chinese wide angle of view, high contrast function temperature and humidity can be programmed at the same time, with 100 groups of programs 1000 segments of memory, each segment 530Hour59Min, can be arbitrarily divided Settings, and With multiple sets of PID control functions.
6. Controller Specifications
Accuracy: temperature ±0.1 °C+1 digit, humidity ±1% R.H+1digit
Resolution: temperature ± 0.01 ° C, humidity ± 0.1% R. H.
Temperature slope: 0.1 ~ 9.9 can be set.
With upper and lower limit standby and alarm function.
Temperature and humidity input signal dry and wet ball PT100x2.
7 sets of P.I.D control parameter settings, P.I.D automatic calculation.
Dry and wet balls are automatically corrected.
Feture at a glance
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