Performance indicators 1. Sample limitation: This test equipment is prohibited: Test and Storage of Flammable, Explosive and Volatile Substances Testing and Storage of Corrosive Material Samples Testing or storage of biological samples Testing and Storage of Samples from High Electromagnetic Emission Sources 2. Volume and size: Nominal Content Area (L): 80L/150L (according to customer requirements) Nominal Inner Box Size (mm): 400 *wide 400 *high 500 mm/500 *500*550 Nominal Outer Box Size (mm): 1110 *770 *1500 mm 3. Performance: Test environment conditions: Airflow around the equipment is smooth, no high concentration dust, no corrosive or flammable and explosive gases. Ambient temperature: 5-35 C Relative humidity: <85%RH 4. Testing methods Temperature range: - 40 /- 70 ~ + 150 (- according to customer requirements) Temperature fluctuation: +0.5 C Temperature deviation: +2.0 Temperature Temperature change rate: It takes about 35 minutes for 4.2.4.1 to rise from + 25 to + 150 C (no load) It takes about 65 minutes for 4.2.4.2 to decrease from + 25 ~40 ~C (no load) GB/T 2423.1-2001 Test A: Low Temperature Test Method GB/T 2423.2-2001 Test B: High Temperature Test Method High Temperature Test of GJB150.3-1986 GJB150.4-1986 Low Temperature Test Functional Introduction 1. Structural characteristics: Thermal insulation envelope structure: Exterior wall: high grade steel plate paint Inner wall: SUS304 stainless steel plate Insulation Material: Glass Fiber Air conditioning channels: Fans, heaters, evaporators (and dehumidifiers), drainage devices, humidifiers, dry-burning preventers, Standard configuration of laboratory body: Pneumatic Balance Device Gate: Single door. Open glass observation window with heat and dew proof for distribution on door. Test window size: 200 *300 mm. The door frame is equipped with dew-proof electric heating device to prevent frost phenomenon during low temperature operation test. Lighting lamp for observation window. Control panel (on distribution control cabinet): Temperature (humidity) control screen, operation button, overtemperature protection switch, timing device, lighting switch Machinery room: Mechanical room includes: refrigeration unit, drainage device, fan, distribution control cabinet, humidification and humidity water control device. Distribution control cabinet: Radiator fan, buzzer, distribution board, leakage circuit breaker of main power supply Heater: Heater Material: Stainless Steel 316L Fin Heat Pipe. Heater control mode: Contactless equal period pulse width modulation, SSR (solid state relay) Humidifier: Humidification method: stainless steel humidifier. Humidifier material: stainless steel armor Control mode of humidifier: Contactless equal period pulse width modulation, SSR (solid state relay) Humidifier device: water level control device, heater anti-dry burning device Noise: <65 DB 2. Refrigeration system: Working mode: air-cooled mechanical compression single-stage refrigeration mode Refrigeration compressor: original imported French "Taikang" totally enclosed refrigerator Evaporator: Fin heat exchanger (also used as dehumidifier) Throttle device: thermal expansion valve, capillary Evaporative Condenser: Brazed Plate Heat Exchanger Refrigerator control mode: The control system PID automatically adjusts the operating conditions of the chiller according to the test conditions. Evaporative pressure regulating valve Recirculation Cooling Circuit of Compressor Energy Regulating Circuit Refrigerants: R404A, R23 Other: Major components adopt international high-quality brand products. Compressor cooling fan is the original standard of Taikang, France  3. Electrical control system: Controller (Model): Touch Screen Control Display: LCD Touch Screen Operation mode: fixed value mode. Setting mode: Chinese menu Input: Thermal Resistance Refrigeration system: Compressor overpressure Compressor motor overheating Compressor motor overcurrent 4. Laboratory: Adjustable over temperature protection Ultimate Over temperature of Air-conditioning Channel Fan motor overheating 5. Other: Phase sequence and phase-out protection of total power supply Leakage protection Load Short Circuit Protection 3. Other configurations: Power cable: one accessory of four-core (three-core Cable + protective grounding wire) cable: Lead hole: Lead hole has diameter of 50mm, specifications, its position and quantity can be customized according to user's requirements under the condition that the box structure permits and does not affect the performance. 4. Conditions of use (guaranteed by users of the following conditions): Venue: Flat ground, well ventilated, free of flammable, explosive, corrosive gases and dust There is no strong electromagnetic radiation source nearby. There are drainage ground leaks near the equipment (within 2 meters from the refrigeration unit) Ground load-bearing capacity of site: not less than 500 kg/m2 Keep adequate maintenance space around the equipment Environmental conditions: Temperature: 5 ~35. Relative humidity: <85%RH Air pressure: 86-106 kPa Power supply: AC380V 50HZ Power capacity: 3.8Kw Requirements for storage environment: When the equipment is not working, the ambient temperature should be kept within +0-45 C.