The explosion-proof high and low-temperature test chamber is a critical piece of equipment for modern industrial safety and precision testing. Its multi-layered active explosion-proof design completely eliminates the risk of combustion and explosion caused by volatile substances in samples within an extreme temperature range of -40℃ to +150℃. Equipped with a high-precision intelligent PID algorithm, it achieves excellent temperature field stability, ensuring that test data in explosive environments is of research-grade reliability. It is primarily used in the energy revolution and cutting-edge industrial fields: in the new energy industry, it is an essential device for thermal runaway warning of power battery packs and extreme condition testing of energy storage system BMS; in the chemical industry, it provides full-lifecycle reliability verification for semiconductor process chambers and explosion-proof electrical components; in the military and aerospace industries, it is used for low-temperature start-up and high-temperature storage experiments of airborne fuel cells and solid propellants; and it penetrates even deeper into special scenarios such as oil exploration and coal mining equipment, providing a crucial data foundation for the development of intrinsically safe equipment. This device has become an indispensable reliability verification stronghold in the process of high-risk materials moving from the laboratory to industrialization, building a safety barrier for the development of cutting-edge industries.
① Our company provides a comprehensive after-sales service network covering most areas of the country, ensuring worry-free use for users (Note: excluding a very few remote towns and villages);
② We provide multi-faceted free technical support, including video, telephone, and online video tutorials, to intuitively demonstrate equipment performance and operation methods, helping users quickly master operation methods and troubleshooting;
③ Equipped with cutting-edge explosion-proof technology, the product has passed the rigorous IIB T1-T4 level certification of the National Electrical Safety and Quality Inspection and Testing Center and has been issued a national explosion-proof certificate. It can be used in hazardous locations with explosive gas mixtures of temperature groups T1~T4;
④ The electrical control system adopts explosion-proof and encapsulated composite explosion-proof technology. The operating switch is a passive switch, which does not generate any mechanical sparks during operation, ensuring safe and reliable use. The sensor is equipped with a safety barrier for explosion-proof isolation;
⑤ The 7-inch explosion-proof touch screen temperature controller features a menu-driven operation interface and comes standard with an automatic screen lock function to prevent accidental operation; one screen displays information such as set temperature, operating temperature, constant temperature time, and heating status. It is simple and easy to use, and the microcomputer PID control system provides precise temperature control with minimal fluctuations;
⑥ Intelligent microcomputer temperature and humidity control system, 7-inch color explosion-proof touch screen, with PID logic calculation function, which can automatically correct temperature and humidity deviations based on the calculation results to achieve precise control;
⑦ It has a scheduled start function, and multiple timing methods are available, including forward timing, countdown, constant temperature timing, and start timing. The timing unit can be selected as minutes or hours;
⑧ The core components (refrigeration cycle) compressor and circulating fan are both imported brands. The compressor adopts encapsulated explosion-proof technology, which is safe and reliable. The refrigerant is fluorine-free and environmentally friendly, creating a healthy environment for your laboratory;
⑨ The air circulation system inside the chamber is forced by a high-temperature resistant, low-noise explosion-proof axial fan. The classic arrangement of the refrigeration system has been tested by the market for many years, ensuring safety and reliability;
⑩ It adopts the internationally popular internal humidification method, which provides better temperature and humidity stability compared to external humidification. The internationally renowned brand explosion-proof humidity sensor provides highly accurate humidity measurement, reaching internationally advanced levels; the water tank features real-time water level monitoring and automatic water replenishment;
⑪ Automatic parameter saving in case of emergencies and power failure recovery function, along with sensor self-diagnosis, over-temperature, and fault alarm functions;
⑫ The inner tank is made of 304 mirror-finish stainless steel with rounded corners, and the outer casing is made of high-quality cold-rolled steel plate with electrostatic powder coating, ensuring a durable and long-lasting, anti-static finish;
Safety Features:
① IIBT4 explosion-proof rating, with a comprehensive safety protection design, achieving triple safety protection for personnel, samples, and equipment;
② Safety functions include: active protection, intelligent early warning, spark-free components, active deviation correction, and passive protection.
① Outer casing material: Made of selected high-quality cold-rolled steel plate (Q235), precisely formed by CNC machining. The surface is treated with phosphating and anti-static powder coating, creating a sturdy casing that is anti-static, corrosion-resistant, and scratch-resistant, ensuring consistent and durable quality;
② Working chamber: Made of thickened (3mm) 304 stainless steel, possessing excellent high-temperature stability and corrosion resistance, with a smooth surface that is easy to clean;
③ Core components (refrigeration cycle): The compressor and circulating fan are both imported brands. The compressor uses encapsulated explosion-proof technology for safety and reliability, and the refrigerant is a fluorine-free environmentally friendly refrigerant, creating a healthy environment for your laboratory;
④ The air circulation system inside the chamber is forced by a high-temperature resistant, low-noise, explosion-proof axial fan. The refrigeration system features a classic arrangement and combination, whose stability has been proven by years of market testing, ensuring safety and reliability;
⑤ Adopts the internationally popular internal humidification method, which provides better temperature and humidity stability compared to external humidification. It features an internationally renowned brand explosion-proof humidity sensor, achieving internationally advanced levels of humidity accuracy; real-time water tank level monitoring function enables automatic water replenishment;
⑥ Observation window: Equipped with a high-strength double-layer tempered glass observation window, providing clear visibility. Material changes during operation are clearly visible, ensuring safe and clear observation;
⑦ Circulation system: Uses a powerful explosion-proof turbine fan and scientific air duct design to achieve high-speed circulation of hot air, ensuring excellent temperature uniformity inside the working chamber, preventing local overheating, and significantly improving drying efficiency and processing consistency.
⑧ Equipped with multiple safety mechanisms such as over-temperature protection and overload protection, ensuring long-term stable operation of the equipment, suitable for high-frequency use in scientific research. ⑨ Insulation Layer: The space between the outer shell and the working chamber is filled with 75mm thick high-purity ceramic fiber cotton (Al₂O₃) + high-temperature resistant foaming agent, providing superior thermal insulation, greatly reducing heat loss, ensuring stable temperature, and achieving high energy efficiency;
⑩ Door Seal: Resistant to thermal oxidation aging, maintaining elasticity and sealing integrity for a long time, effectively preventing heat loss and ensuring the stability of the working chamber temperature;
⑪ Heating Tube: Made of stainless steel and high-resistance electric heating alloy wire, with a thermal efficiency exceeding 95%, integrated molding and sealing treatment, good insulation, corrosion resistance, and oxidation resistance. Suitable for high-temperature, humid, and corrosive industrial environments, with a long lifespan and stable performance;
⑫ Shelves: Standard configuration includes high-corrosion-resistant chrome-plated mesh shelves with surface hardening treatment, oxidation resistance, acid and alkali resistance, and stable load-bearing capacity; supports flexible customization of various materials and hole types, including stainless steel, alloy, and Teflon, perfectly matching demanding scenarios in pharmaceuticals, electronics, chemicals, and petroleum industries, providing precise and reliable load-bearing solutions for high-end drying processes.
⑬ All products are equipped with high-performance silent universal wheels, combining flexible movement and stable parking, suitable for precision laboratories and high-end industrial environments, showcasing detailed technology and user-friendly design.
① The explosion-proof digital temperature controller features a menu-driven operating interface, a 7-inch touchscreen, and a standard automatic screen lock function to prevent accidental operation; it displays set temperature, operating temperature, constant temperature time, heating status, and other information on a single screen, making it simple and easy to use. The microcomputer PID control system ensures precise temperature control with minimal fluctuations;
② The intelligent microcomputer temperature and humidity control system has PID logic calculation functions, which can automatically correct temperature and humidity deviations based on the calculation results, achieving precise control;
③ It features a scheduled start function, with multiple timing modes available, including forward timing, countdown timing, constant temperature timing, and start timing. Timing units can be selected as minutes or hours;
④ The electrical control system adopts a composite explosion-proof technology combining flameproof and encapsulated types. The operating switches are passive switches, preventing any mechanical sparks during operation, ensuring safe and reliable use. A safety barrier is externally fitted to the sensor for explosion-proof isolation;
⑤ An upgraded version of the sound and light alarm environmental scanning microcomputer chip provides stable data processing capabilities;
⑥ Functions include over-temperature alarm, over-temperature heating cut-off, timed shutdown, power-on recovery, parameter memory, temperature correction, and self-tuning;
⑦ It has a power failure recovery function: after a sudden power outage and subsequent power restoration, the equipment can automatically resume operation according to the original settings;
⑧ Multiple modes can be freely switched: fixed value mode/timed mode/long-term mode.
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Model |
DEP-100EX |
DEP-150EX |
DEP-225EX |
DEP-408EX |
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Explosion-proof Rating |
IIBT4 |
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Controller |
Integrated PLC |
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Program |
100 groups, 100 segments per group |
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User Interface |
7-inch Touchscreen Controller |
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Temperature Range |
-40～150 ℃ |
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Temperature Resolution |
0.1℃ |
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Temperature Fluctuation |
±1℃ |
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Temperature Deviation |
±2℃ |
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Heating Rate |
1~3℃/min |
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Cooling Rate |
0.7~1℃/Min |
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Humidity Range |
30~95%RH |
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Temperature Resolution |
1%RH |
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Humidity Fluctuation |
±3%RH |
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Compressor |
Qianjiang/Taikang |
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Refrigerant |
DuPont fluorine-free refrigerant |
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Interior Material |
SUS304 stainless steel |
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Door Seal |
Double-layer seal (customized silicone ring with excellent high/low temperature resistance and anti-aging properties) |
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Safety Features |
Over-temperature alarm, leakage protection, over-current/overload protection |
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Standard Accessories |
Observation window, test port, mesh plate, fuse |
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Power Supply Voltage |
AC220V/30A |
220V/15A |
220V/30A |
380V/12A |
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Interior Dimensions (mm) |
500x400x500 |
500x500x600 |
600x500x750 |
800x600x850 |
|
External Dimensions (mm) |
1020x1050x1450 |
1020x1120x1500 |
1110x1200x1600 |
1300x1230x1750 |
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Standard Shelves |
2 |
2 |
2 |
3 |
|
Volume |
100L |
150L |
225L |
408L |
|
Power |
3.5KW |
3.5KW |
5.5KW |
6KW |
|
Gross/Net weight |
226/186KG |
233/193KG |
261/216KG |
331/286KG |
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No. |
Name |
Parameters |
Reference Photo |
|
1 |
Independent Over-Temperature Limiter | ① Secondary protection against temperature overshoot and runaway ② Safeguards equipment, samples, and personnel in case of main controller failure or malfunction |
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Products provided by famous enterprises are deeply trusted by users.
Shanghai Dengsheng Instrument Manufacturing Co., Ltd. is a high-tech enterprise integrating R&D, production, sales, and service. We specialize in the manufacture of high-end laboratory equipment, including ovens, incubators, industrial furnaces, and environmental test chambers.
As Explosion-proof High and Low Temperature and Humidity Test Chamber Manufacturers and Explosion-proof High and Low Temperature and Humidity Test Chamber Factory in China, We boast an 8,000-square-meter modern production facility, a dedicated R&D team, 23 national patents, and ISO-9001 quality management system certification. Our solutions are widely used in cutting-edge fields such as aerospace, semiconductors, biomedicine, automotive, and new materials. We have established in-depth partnerships with top universities and industry leaders, supply Explosion-proof High and Low Temperature and Humidity Test Chamber Wholesale, our products are exported to many countries and regions around the world.
Adhering to the principles of "Integrity, Innovation, and Win-Win," we are committed to becoming your trusted partner with reliable quality and dedicated service.
We welcome inquiries and cooperation from both new and existing customers, providing professional equipment solutions.
2025/11/27
2025/11/12
2025/11/12
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