1. Structure of constant temperature and humidity test chamber:
1.1. Material of inner box: Mirror stainless steel plate;
1.2. Outer box material: advanced baking treatment of cold steel plate (milk white baking paint);
1.3. Design of stratospheric structure: effectively avoid condensation on the top of the box;
1.4. Insulation layer: Insulation layer (hard Polyurethane foam + glass wool, 10MM thick);
1.5. Box door: single door, single window, left open. Flat embedded handle. Double-channel heat insulation and air tightness, effectively isolate the heat exchange between inside and outside of the box;
1.6. Observation window: Three layers of vacuum glass are convenient for observing the use of test samples. Size: width 220x height 280x thickness 40mm;
1.7. Anti-sweat design of the window: Electric heating device to prevent condensation of water vapor;
1.8. Lighting design: High-brightness window lighting, easy to observe the sample;
1.9. Test hole: ψ50mm on the left side of the body with one stainless steel hole cover and one silicone plug;
1.11. Built-in rack in the box: 2 pieces of stainless steel square punched steel plate racks and 2 sets of rails (adjusting the spacing);
1.12. Machine pulley: easy to move and use with strong bolts
2. Temperature and humidity electric heating circulation system:
2.01. Heating system: finned tube-shaped stainless steel electric heater;
2.02. Humidifier: UL-shaped stainless steel electroplating heater (with the characteristics of fast evaporation and fast humidification);
2.03. Circulation system: Special moisture-proof and heat-dissipating design, stainless steel extended axis circulation motor, equipped with high and low temperature resistant aluminum alloy multi-wing fan blades;
2.04. Wind deflector design: can be adjusted up, down, left and right to ensure uniform distribution of temperature and humidity;
2.05. Control mode: The balanced temperature control system (BTHC) controls the SSR in PID mode, so that the heating and humidification amount of the system is equal to the amount of damp heat loss, so it can be used for a long time and stable.
3. Humidity make-up water system:
3.01. Water supply device: hidden water tank water supply (commonly used);
3.02. Waste water distribution system: The condensed waste water is discharged outside the tank through a dedicated pipeline;
Fourth, the constant temperature and humidity machine freezing system:
4.01. Freezing system: European and American high-efficiency power-saving ultra-low temperature freezing system (air-cooled heat dissipation method);
4.02. Cold and heat exchange system: Super high efficiency SWEP refrigerant cooling and heat exchange design (environmentally friendly refrigerant R404A);
4.03. Heating load adjustment: Automatically adjust the refrigerant flow to effectively remove the heat emitted by the heating load;
4.04. Condenser: Fin-type motor with heat sink;
4.05. Evaporator: Finned multi-stage automatic load capacity adjustment;
4.06. Other accessories: desiccant, refrigerant flow window, repair valve;
4.07. Expansion system: capacity controlled refrigeration system.
5. Control system: Controller: TEMI880 color intelligent touch intelligent programmable temperature and humidity controller
Introduction: TEMI, Chinese and English LCD display LCD touch panel, screen-to-talk input data, Shanghai Jianhu Instrument Equipment Co., Ltd. temperature and humidity can be programmed at the same time, 17 segments of backlight adjustable, curve display, set value / display value curve . Various alarms can be displayed separately. When a fault occurs, the fault can be displayed on the screen to eliminate the fault and eliminate misoperation. Multiple sets of PID control functions, precise monitoring functions, and displayed on the screen in the form of data.
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