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| Item No. | Parameter Name | Technical parameters |
| 1.1 | Equipment Name | Thermal Shock Test Chamber (Two-Chamber) |
| 1.2 | Equipment Introduction | This series of products is used to test the tolerance level of material structures or composite materials under a continuous environment of extreme high and low temperatures in an instant. Thus, it can test the chemical changes or physical damage caused by thermal expansion and contraction within the shortest possible time. It is suitable for testing physical changes in fields such as electronics, automotive, metals, chemicals, building materials, communication components, national defense industry, aerospace industry, electronic chips (ICs), IT, and other related sectors. |
| 1.3 | Equipment Model | BS-80HA |
| 1.4 | Effective Volume | 80L |
| 1.5 | Internal Chamber Dimensions | 500*400*400 (W*H*D)(mm) |
| 1.6 | External Dimensions | 1200*2063*1550(W*H*D) (mm) |
| 1.7 | Temperature Range | Heat Storage in the High-Temperature Zone:+60ºC ~ +170ºC Cold Storage in the Low-Temperature Zone: -10ºC ~ -55ºC |
| 1.8 | Thermal Shock Range | High-Temperature:60ºC~150ºC Low-Temperature: -10ºC~ -45ºC |
| 1.9 | Thermal Shock and Recovery Time | Thermal Shock Time: 10S Temperature Recovery Time: 5 min Shock Process (as shown in the figure)Green represents the heat storage curve of the high-temperature zone Red represents the shock curve of the test zone Blue represents the cold storage curve of the low-temperature zone |
| 1.10 | Temperature Fluctuation | ≤±0.5ºC |
| 1.11 | Temperature Error | ≤±2ºC |
| 1.12 | Temperature Uniformity | ≤±2ºC(Temperature Uniformity is defined as the average of the difference between the measured maximum temperature and the measured minimum temperature in each test.) |
| 1.13 | Preheating Zone Temperature Rise Rate | ≥3ºC/min (Full-process Non-linear) |
| 1.14 | Precooling Zone Temperature Drop Rate | ≥1ºC (Full-process Non-linear) |
| 1.15 | Functional Requirements | (Air-based) In chamber Space Cooling and Heating According to the temperature setting, the indoor space reaches the set temperature. It is divided into three parts: high-temperature storage zone, low-temperature storage zone, and test zone. The three zones are independent of each other, and temperature switching is achieved through air dampers. |
| 1.16 | Weight | 450KG |
| 1.17 | Power | 380V/22KW |
| 1.18 | Others | Note & Prohibition for the Test Equipment 1. Note The above performance indicators are values measured under the conditions of: ambient temperature of +25ºC, relative humidity ≤ 85% RH, and no test samples loaded. 2. Prohibition This test equipment is prohibited from the following:
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| Item No. | Standards | Explanation of Standards |
| 2.1 | General standards | GJB367.2-87 Thermal Shock Test |
| GJB360.7-87 Thermal Shock Test | ||
| GJB150.5-86 Thermal Shock Test | ||
| GB2423.22-87 Temperature Change Test Method | ||
| GB/T2423.2-2008(IEC60068-2-2:2007) High-Temperature Test Method Bb | ||
| GB/T2423.1-2008(IEC60068-2-1:2007) Low-Temperature Test Method Ab | ||
| 2.2 | Acceptance Execution Standards | Manufacturing Standards:GB/T10586-2006,GB/T10592-2008 |
| Verification Standards :GB/T5170.2-2017,GB/T5170.5-2016 | ||
| Technical Standards: Acceptance shall be conducted in accordance with the signed technical index requirements |
| Item No. | Description | Technical Specification Parameters |
| 3.1 | Cabinet Structure | Two-Chamber Type: Preheating Zone, Precooling Zone, Mobile Basket (User Operation Area). |
| 3.2 | Shock Schematic Diagram | |
| 3.3 | Cabinet Material Specifications | Outer Wall Material: 1.2mm cold-rolled steel plate with electrostatic spraying Inner Wall Material: High-quality heat-resistant and cold-resistant 1.0mm&304 stainless steel plate Cabinet Insulation Material: 100mm glass fiber |
| 3.4 | Insulation Layer | e zone and low-temperature zone is achieved using a thickened insulation layer, and thermal insulation for the connecting plate of the mobile basket's moving hole is achieved using an epoxy resin plate. |
| 3.5 | Mobile basket | The mobile basket consists of several components: a bottom heat-insulating end cover plate, a middle sample placement frame, a top heat-insulating end cover plate, counterweight blocks, and a basket lifting chain. The overall frame is made of SUS304 stainless steel. High-temperature-resistant glass fiber cotton is embedded in the upper and lower end covers for heat insulation, which effectively prevents cross-temperature transfer and avoids affecting the refrigeration effect. The sample rack frame adopts a perforated plate structure, and a sample rack height-adjustable indexing frame is longitudinally equipped. It can adjust the spacing of the sample racks without blocking airflow circulation, ensuring temperature uniformity inside the chamber. Counterweight blocks are embedded in the bottom end cover of the basket to ensure good sealing during low-temperature testing. |
| 3.6 | Cabinet Door | The high-temperature zone and low-temperature zone are each equipped with a separate door, both adopting a single-door design. Explosion-proof handles are used, and silicone sealing strips are installed to ensure the cabinet doors are sealed without leakage. |
| 3.7 | Test Sample Rack | 2 Pieces of SUS304 Stainless Steel Grid-Type Storage Racks (Load Capacity ≤ 40kg per Piece) |
| 3.8 | Air Circulation Duct | A multi-blade centrifugal circulation fan is adopted, with a reinforced shaft center and high/low temperature-resistant rotating blades made of aluminum alloy, to achieve forced convection. Air supply mode: Horizontal diffusion + vertical heat exchange + arc-shaped circulation. The high/low temperature air supply damper switching is driven by a high-speed air cylinder under automatic program control. |
| 3.9 | Power Distribution and Control Cabinet | Main Power Circuit Breaker,Controller,Power Distribution Board,Cooling Fan,Over-Temperature Protector,Air Cylinder,Air Pressure Protector etc. |
| 3.10 | Refrigeration Mechanical Chamber | Internally Installed Refrigeration Units and Accessories |
| 3.11 | Others | LCD Touch-Type Programmable Controller, Basket Initial Position Changeover Switch, Main Power Switch, Running Indicator Light, Abnormal Indicator Light,Completion Indicator Light, Defrosting Indicator Light, Power Indicator Light, USB Communication Interface |
| Item No. | Description | Technical Specification Parameters |
| 4.1 | Air Outlet Mode | It adopts a forced internal circulation mode, with left-side air outlet and right-side air return switched via air dampers. The air outlet guide vanes can disperse cold and hot air throughout the entire chamber interior, ensuring uniformity and stability. |
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| 4.2 | Circulation Motor | It is a long-shaft motor, installed outside the chamber, avoiding the influence of temperature and humidity inside the chamber. The long shaft extends directly into the interior of the chamber, with silicone insulation and sealing. |
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| 4.3 | Centrifugal Impeller | It is a multi-blade centrifugal circulating aluminum wind wheel, featuring light weight, large air volume, and high air pressure. Additionally, it exhibits resistance to high and low temperatures, a small expansion coefficient, and low operating noise. |
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| 4.4 | Circulating Air Duct | The circulating air duct is matched with the refrigeration and heating system, and the sealing plate is closely attached to the evaporator and heating tube, allowing the circulating air to fully absorb the cold energy from the evaporator and the heat energy from the heating tube. |
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| 4.5 | Sensor | Class A Platinum Resistance PT100+T Temperature and Humidity Sensor, featuring stable operation and accurate detection. |
| Item No. | Description | Technical Specification Parameters |
| 5.1 | Refrigeration Mode | Compressor-Based Refrigeration |
| 5.2 | Compressor | French "Tecumseh" Hermetic Compressor |
| 5.3 | Evaporator | High-Efficiency Multi-Stage Fin-and-Tube Evaporator with Hydrophilic Coating (Thickened Fin Type) |
| 5.4 | Condenser | Shell-and-Tube Condenser (Air-Cooled Type) |
| 5.5 | Refrigerant | Fluoride-Free Eco-Friendly Refrigerant, DuPont (USA) R404A |
| 5.6 | Thermal Expansion Valve | The core control logic of the thermal expansion valve is: The opening degree of the expansion valve is controlled by the superheat degree of the gaseous refrigerant at the evaporator outlet, thereby adjusting the flow rate of refrigerant entering the evaporator. |
| 5.7 | Oil Separator | The core function of the oil separator is to separate the refrigerating oil and refrigerant, allowing each substance to perform its respective function as required and preventing oil films from reducing heat exchange efficiency. |
| 5.8 | Filter-Drier | The filter-drier consists of two parts: the filter and the dryer. The filter is used to block solid particles such as iron filings, welding slag, and dirt, preventing them from clogging the passages; the dryer is used to absorb moisture circulating with the refrigerant, avoiding "ice blockage" inside the pipelines. |
| 5.9 | Solenoid Valve | Danfoss Solenoid Valve (for coarse adjustment of the cooling capacity of the entire refrigeration system) |
| 5.10 | Leak Detection Method | Nitrogen purging and pressure holding for 24 hours is adopted for leak detection testing of all pipelines in the entire system. |
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| 5.11 | Vibration Damping Design | Compressor Base and Vibration Isolation Treatment: The base features a water-leakage prevention design. It is a self-evaporating waterproof base that effectively prevents condensed water from leaking out. Vibration isolation treatment is applied to moving components such as the compressor and fan, achieving a low-noise design. |
| Item No. | Description | Technical Specification Parameters | |
| 6.1 | Heating Method | It adopts an imported SSR (Solid-State Relay) for driving, featuring contactless control, no noise, no electric arc, and stable reliability. | |
| 6.2 | Heating Tube | It adopts a stainless steel finned nickel-chromium wire high-speed heater. | |
| 6.3 | Heating System and Electrical Components | It is a completely independent system that does not affect the refrigeration and humidification systems. Temperature control is achieved through microcomputer calculation and PID automatic adjustment; the output power changes based on the comparison result between the actual temperature value and the set temperature value, so as to achieve high precision, high efficiency, and high stability. Major low-voltage electrical components all adopt products from well-known brands: "Schneider" AC contactors and thermal overload relays, "OMRON" small intermediate relays, and Delixi signal lamps, switches, and circuit breakers. | |
| Item No. | Description | Technical Specification Parameters |
| 7.1 | Control Method | Color Touch Screen + PLC Control System |
| 7.2 | Screen Display | 7-inch screen with a resolution of 800*480, 65535 true colors, and LED backlight display; direct display of temperature and humidity set values (SV) and actual values (PV); Chinese/English language switchable display with true-color touch input; capable of displaying execution program number, segment number, remaining time, cycle times, and operation time; program editing and graphic curve display. |
| 7.3 | Temperature and Humidity setting | Set it independently according to the test temperature range requirements. |
| 7.4 | Data Logging | Built-in recording program, the memory in the controller can store 3 months of 24hour operation data. It can automatically generate temperature and humidity curve files, data, operation records, alarm records, etc., and can display set values and actual values, cycle numbers, temperature segments, temperature values, time, etc. in both digital and graphical forms. |
| 7.5 | External Connection | Communication methods such as USB, RS485, and LAN ports are supported, enabling external connection to a computer for full-function control, data storage, printing, and recording. |
| 7.6 | Running Mode | Rated value/program/slope running mode. |
| 7.7 | Input Method | RT100×2 (dry bulb and wet bulb) / 4~20mA, both built-in simultaneously |
| 7.8 | Output Method | Temperature×1, Humidity×1, END×1, RUN×1, T1~T4, TROUBLE×1, H1×1, TIME SIGNAL×3. |
| 7.9 | Display Precision | Temperature:0.01ºC Humidity:0.01%RHT Time:0.01 seconds |
| 7.10 | System Capacity | 1~120 test programs (i.e., can be divided into 120 program groups), maximum 1~1200 steps (i.e., 1200 action steps), and single-step time up to 9999 hours 59 minutes. |
| 7.11 | Login Method | Chinese/English Name Login, Chinese/English Test Login, Operation Time Display. |
| 7.12 | Deviation Correction | It prevents parameter deviations caused by various factors; after correction, the temperature and humidity values can be more accurate and standardized. |
| 7.13 | System Functions | Sequence Control, Reservation Control, Power-off Recovery, Fault Display. |
| 7.14 | Password Control | Multi-level password protection can be set to prevent unauthorized use by non-operators and unauthorized modification of internal parameters. |
| Item No. | Technical Specification Parameters |
| 8.1 | The compressor adopts a system high-low pressure protection (device). |
| 8.2 | Compressor Oil Pressure Protection (Optional for Large Semi-Hermetic Compressors). |
| 8.3 | Refrigerant Supply Temperature Over-Temperature Protection |
| 8.4 | Air-Cooled Type: Condensing Fan Overheating |
| 8.5 | Adjustable Over-Temperature Protection |
| 8.6 | Extreme Over-Temperature Protection for Air Conditioning Ducts |
| 8.7 | Fan Motor Over-Temperature Protection |
| 8.8 | Power Phase Loss Protection, Power Phase Sequence Reverse Protection, Power Phase Unbalance Protection, Overload and Short Circuit Protection, Leakage Current Protection. |
| 8.9 | Test Chamber Enclosure Grounding Protection |
| 8.10 | Independent Over-Temperature Protection for the Working Chamber |
| 8.11 | Low Air Pressure Protection |
| 8.12 | Air Compressor Insufficient Air Supply Alarm Protection |
| 8.13 | Emergency Stop Protection |
| Item No. | Accessory Name | Brand | Remarks |
| 9.1 | Control Instrument | Weishuo | |
| 9.2 | Compressor | Tecumseh(France) | |
| 9.3 | Refrigerant(R404) | DuPont(USA) | |
| 9.4 | Air-Cooled Condenser | Customized | |
| 9.5 | Evaporator | Customized | |
| 9.6 | Expansion Valve | DANFOSS(Denmark) | |
| 9.7 | Capillary Tube | Daikin(Japan) | |
| Key Point | Specific Requirements | ||
| Space Requirements: Positioning & Handling, Installation Footprint Dimensions, and Placement Environment Requirements | |||
| 10.1 Installation Access It shall be able to pass through according to the external dimensions of the test chamber, with special attention to specific links such as corners, door entry dimensions, and elevator dimensions. For installation sites on upper floors or in underground vacant spaces, the floor load-bearing requirement of the site shall be ≥ 500kg/m². |
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| 10.2 Floor Space and Peripheral Relevant Dimensions | |
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| Space around the equipment shall comply with the following: A: ≥ 60cm; B≥ 60cm; C≥ 80cm; D≥ 80cm | |||
| The floor shall be level, with good ventilation, and free from flammable, explosive, corrosive gases and dust. | |||
| 10.3 Other Environmental Requirements for Test Chamber Operation | Environmental Temperature Requirements | 5~28ºC Ensure Optimal Performance | |
| Humidity Requirements | ≤85%R.H | ||
| Air Pressure Requirements | 86KPa~106KPa | ||
| Electromagnetic Environment | There shall be no strong vibration or strong electromagnetic radiation sources around the equipment. | ||
| Site Drainage | A drainage floor drain shall be provided within 2 meters of the test chamber. | ||
| 10.4 Safe Storage Conditions for Test Chambers | When the test chamber is not in use, the storage environment of the test chamber shall be maintained at a temperature consistently above 0ºC. | ||
| If the storage environment temperature is below 0ºC, for water-cooled test chambers and humidity chambers, all residual water in the equipment shall be drained completely in a timely manner to prevent pipe damage caused by freezing. | |||
| Power and Related Conditions | |||
| 10.5 Grounding Requirements | The grounding resistance shall be less than 4Ω, with independent grounding (i.e., TN-S grounding system), and a three-phase five-wire AC power supply shall be adopted (it is strictly prohibited to mix the neutral wire and ground wire). | ||
| Item No. | Description | Service Content |
| 11.1 | Equipment Warranty Period | The supplier shall provide a 1-year warranty for the test equipment starting from the date of acceptance. During the warranty period, fees such as material fees and repair fees shall be waived (excluding damages caused by human factors or natural disasters). The supplier commits to providing lifelong free technical support and conducting equipment operation consultation and inspection twice a year. |
| 11.2 | Service Response Time | Upon receiving the customer's maintenance request notification, the supplier shall respond within 2 hours and arrive at the customer's site within 24 hours, making every effort to repair the product promptly. The company has sufficient spare parts to provide timely, fast, and high-quality services. |
| 11.3 | After-Sales Team | The company has a dedicated After-Sales Service Department, with more than 5 after-sales service engineers. Meanwhile, it has set up office-based service stations and built a comprehensive customer service system, as well as established customer files. In addition to providing technical consultation services to customers, the company is also responsible for collecting and organizing customer complaints and consultation information. It ensures that the problems and requirements raised by customers are handled in a timely manner, and tracks and verifies the handling status while establishing corresponding records. These efforts provide a basis for improving quality and enhancing products. |
| 11.4 | List of Randomly Included Documents | One copy each of the Product User Manual, Instrument Operation Manual, Product Certificate of Conformity, and Product Warranty Card. |
| 11.6 | Installation, Commissioning and Training | After the equipment arrives at the buyer's factory, our party shall be responsible for the on-site installation, commissioning and trial operation of the equipment. Meanwhile, our party shall provide free training to the buyer's staff to ensure that the buyer's relevant personnel can independently complete all tests specified in the contract, perform equipment maintenance and troubleshoot basic faults. |
| 11.7 | Installation, Commissioning and Acceptance | The buyer shall be responsible for providing the external conditions required for equipment installation in accordance with the supplier's requirements, and the installation shall be conducted by our company. The supplier shall be responsible for on-site installation and commissioning at the buyer's location. After the completion of installation and commissioning, personnel from both the supplier and the buyer shall sign the commissioning and acceptance report to confirm approval. |
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