Performance Features of Wet and Cold Storage Test Chamber:Scientific air circulation design ensures no dead spots and even temperature distribution within the box, guaranteeing the accuracy of component test results. True-color touch programmable controller, equipped with a computer connection interface, allows users to design programs on the computer screen, collect test data and records, call program execution, remotely control machine on/off, and more, with high automation and simple operation. In case of abnormal conditions, the controller's screen automatically displays the fault status, cuts off the computer switch, and provides troubleshooting methods. The refrigeration system employs a dual-screw refrigeration and ambient temperature refrigeration combined design, using different compressors in different temperature ranges to increase the lifespan of the equipment. Energy-saving, low-carbon, and electricity-saving design.
Select Accessories: Unit Component Temperature Monitoring, Portable Inclined Platform, Temperature Recorder
Test Methods Satisfied: This product meets the standards of IEC61215, IEC61646, IEC61730, GB/T19394-2003, GB/T9535-1998, GB/T6492-1986, GB/T6494, GB/T6497, SJ/T2196; IEC61345-1998; IEC61646, GB 10592-89, GB10586-89, etc.
Component Testing Methods:
1. Hot Cycle TestAir circulation rate should not be less than 2 m·s-1, keeping the component temperature between -40 ±2℃ and 85±2℃, with the temperature change rate between max and min not exceeding 100 ℃/h. The system should maintain stability at each extreme temperature for at least 10 minutes. No single cycle should exceed 6 hours.
2. Wet-Cold TestComponent temperature ranges between -40 ±2℃ and 85±2℃，with the temperature change rate between max and min not exceeding 100℃/h. The component should undergo 10 cycles, with max and min temperatures within ±2℃ of the set values. At all temperatures above room temperature, relative humidity should be maintained within ±5% of the set values.
3. Wet-Hot TestTest temperature: 85±2°C, relative humidity: 85%±5%, test duration: 1000 hours.
| Humid Freeze Test ChamberKey Technical Parameters： | |||||
| Model | GF–PV-1 | GF–PV-2 | GF–PV-3 | GF–PV-4 | |
| Test Zone Dimensions | 800×800×800 | 1000×1200×1500 | 1200×1200×1800 | 1500×1200×2200 | |
| Machine external dimensions | 1400×1650×1150 | 1200×1450×2000 | 1400×1450×2300 | 1700×1450×2700 | |
| 1 | Test Scope: | ||||
| a | Temperature Range: -40℃ to 85℃. | ||||
| b | Humidity Range: 10% ~ 98% RH. | ||||
| 2 | Rise and fall cooling rate: | ||||
| a | Rise Rate: -40℃ to +85℃, average 1-3℃/min. | ||||
| b | Cooling rate: +85℃ to -40℃, average 1 to 3℃/min. | ||||
| 3 | Instrument Analysis Accuracy: | ||||
| a | Temperature: 0.1°C. | ||||
| b | Humidity: 0.1%RH. | ||||
| 4 | Instrument control accuracy: | ||||
| a | Temperature: ±0.3°C. | ||||
| b | Humidity: ±1.5%RH. | ||||
| 5 | Volatility: | ||||
| a | Temperature: ≤ ±0.5°C. | ||||
| b | Humidity: ≤±1.5%RH. | ||||
| 6 | Uniformity of temperature: ≤2°C. | ||||
| 7 | Temperature Deviation: ≤±2℃. | ||||
| 8 | Humidity Deviation: +2%RH, -3%RH. | ||||
| Humidity Frost Test ChamberStructure and Material： | |||||
| 1 | Inner Box Material: SUS#304 high-temperature and low-temperature resistant stainless steel sheet. | ||||
| 2 | Outer Case Material: High-quality color steel plate. | ||||
| 3 | Insulation: High-strength PU foam is used to prevent unnecessary energy loss. | ||||
| 4 | Double doors, swinging from the center to either side. | ||||
| 5 | Test doors are equipped with high tensile sealing strips that can withstand extreme temperatures to ensure the airtightness of the testing area. | ||||
| 6 | Thermosensor: Swiss Rotho hygrometer/thermometer combination sensor. | ||||
| 7 | The observation inspection features illumination to keep the interior well-lit and utilizes an embedded glass in the heating body to maintain a clear view through the observation window at all times. | ||||
| 8 | The cabinet features two 50mm diameter test holes on the left and top sides, which can be used for connecting external test power lines or signal lines. | ||||
| 9 | The machine bottom is equipped with high-quality, fixed-type casters for easy positioning and movement. | ||||
| Airflow Circulation System: | |||||
| 1 | Utilizing imported fan motors and all-aluminum alloy fans with high and low-temperature resistance for forced convection vertical diffusion circulation. | ||||
| 2 | The air circulation employs an upper air outlet and lower air intake design, with wind speed and pressure meeting test standards, and a quick return to stable temperature upon opening or closing the door. | ||||
| 3 | Utilizing high-quality centrifugal fans for powerful air circulation, eliminating any dead spots, ensuring uniform temperature distribution within the testing area. | ||||
| Heating System: | |||||
| 1 | Utilizing a U-shaped stainless steel fin-type high-speed heating electric heater. | ||||
| 2 | The heating system utilizes a hot air circulation heating method, ensuring even temperature distribution. It is a completely independent system, which does not affect the refrigeration or control circuits. | ||||
| 3 | The temperature control output power is calculated by a microcomputer, automatically adjusting the heating power based on the internal load size to achieve high-precision energy efficiency, making it more environmentally friendly and energy-saving. | ||||
| Humidification System: | |||||
| 1 | Utilizing an electronic and binary micro-motion humidification system. | ||||
| 2 | The humidifier cylinder is made entirely of stainless steel and features a water level observation window. | ||||
| 3 | Desiccant rotor with a layer flow contact dehumidification method, capturing the dew point temperature (ADP) of the evaporator coil. | ||||
| 4 | Includes dual protection devices for overheating and overflow. | ||||
| 5 | Humidification and dehumidification systems are completely independent. | ||||
| 6 | Supplying automatic wet water circulation systems, suitable for continuous operation of machines over extended periods. | ||||
| Refrigeration System: | |||||
| 1 | Compressor: | ||||
| a | European Original Imported France (Tai Kang) Iron Knight Low Noise Energy-Saving Full-Enclosed Refrigeration Compressor. | ||||
| b | The refrigeration system combines a two-stage cascade refrigeration with ambient temperature refrigeration design. Different compressors are used for different temperature ranges in the two-stage cascade refrigeration to enhance the lifespan of the equipment. | ||||
| 2 | The entire system utilizes environmentally friendly refrigerants R134a and R404a. | ||||
| 3 | K-Type refrigerant copper tube with inner helical design. | ||||
| 4 | All piping in the system is subjected to nitrogen pressure and 24-hour leak testing, eliminating the possibility of refrigerant leakage in the system. | ||||
| 5 | Wavy fin-type forced-air condenser. | ||||
| 6 | Sloped FIN-TUBE Evaporator | ||||
| 7 | Original imported solenoid valves, dry filters, and other refrigeration components. | ||||
| 8 | The heating and cooling systems are completely independent, with all refrigeration system operations controlled by a microcomputer controller, offering the advantage of energy saving. | ||||
| Circuit Control System: | |||||
| 1 | The controller features microcomputers from South Korea's TEMI, Japan's UNIQUE, and the OYO touchscreen series, which are aesthetically pleasing and beautiful. | ||||
| 2 | The product features a resistive high-precision touch screen for operation, allowing direct use of a USB mouse or stylus to click on the screen for function selection or parameter setting. | ||||
| 3 | The programmable function has a capacity of 160 patterns × 1600 steps × 999 cycles. | ||||
| 4 | Display Function: LCD screen display, capable of showing test conditions (including temperature range, cycle count, running time, and remaining time, etc.). | ||||
| 5 | Programmable and setpoint control features for ease of use in various production conditions. | ||||
| 6 | Temperature slope setting allows for free control of runtime and heating rate. | ||||
| 7 | Schedule start-up feature, the system will automatically run upon reaching the set time, allowing for flexible control over the aging room's operating time and conditions. | ||||
| 8 | Power-off restart function, with options for cold start, hot start, or interruption to operate. | ||||
| 9 | Temperature control is achieved through synchronized coordination with a P.I.D.+S.S.R. system, enhancing the stability and lifespan of the control components and interface. | ||||
| 10 | Real-time and historical curve queries for temperature changes, facilitating immediate observation for users. | ||||
| 11 | Historical Data Storage Feature. Equipped with two USB ports for convenient user data saving. | ||||
| 12 | File backup feature. | ||||
| 13 | Equipped with a computer connection interface, it allows for remote operation via computer. Features include the saving and printing of curves and experimental data. | ||||
| 14 | Enable the cumulative operation feature for customers to easily check product usage status for corresponding maintenance and care. | ||||
| 15 | Screen saver feature to better extend the lifespan of the LCD screen. | ||||
| 16 | When the system malfunctions, it can display error information, cause of the issue, and solutions. | ||||
| 17 | Feature with permission level settings to prevent user errors. | ||||
| 18 | Switch between Chinese and English for ease of operation by users of different languages. | ||||
| 19 | Control Mode: PID (Proportional-Integral-Derivative) automatic calculation, PID control is simple and easy to understand, and does not require an accurate system model or other prerequisites during use. | ||||
| 20 | In settings, a warning signal will be provided in case of errors. | ||||
| 21 | On/Off Function (可控由controller to control the test box lighting), can save costs for designers and enhance usability. | ||||
| 22 | Temperature Sensor: Utilizes DIN PT-100Ω (Platinum) or Swiss Roth الزنك combined temperature and humidity sensor. | ||||
| Safety protection device | |||||
| 1 | Fuses protected switch. | ||||
| 2 | Over-temperature protection. | ||||
| 3 | Overpressure protection. | ||||
| 4 | Water Shortage Protection. | ||||
| 5 | Overcurrent protection for refrigeration compressor. | ||||
| 6 | Overpressure protection for refrigeration compressors. | ||||
| 7 | Fan motor equipped with an overcurrent protector. | ||||
| Other Accessories: One testing hole (50mm) box, an internal lighting unit, a component storage shelf, and a set of pure water system. | |||||
