Website: Sanwood
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ESS Test Chambers

Sanwood ESS Test Chamber is a fast temperature change test chamber for testing and evaluating performance and reliabilities for material and electronics. ESS test chamber offers extreme fast temperature changes, obtains great temperature changes in a short period of time, to test and evaluate products’ durability and stability.

ESS Test Chambers

ESS Test Chamber is a device that obtains fast temperature changes for testing and evaluating performance and reliabilities for material and electronics. ESS test chamber offers extreme fast temperature changes, obtains great temperature changes in a short period of time, to test and evaluate produc

ESS Test Chambers

Advantages of Sanwood Test chamber

The ESS test chamber has the ability to quickly heat up and cool down, and can complete temperature changes in a short time to simulate extreme environments in actual use. It provides a reliable testing platform for scientific research and industry, helping to develop higher performance products.

  • Multiple temperature change rate from 5℃~25℃/min selection.
  • Advanced cooling balance technology and coolant flow rate control technology, energy saving up to more than 30%.
  • Big size observation window, easy to monitoring DUT or UUT.
  • Can customized the chamber’s volume, temperature and appearance on demand.
  • Top brand components and spare parts.
  • Local installation and debugging teams can be arranged on-site for debugging and installation.
  • Designed and manufactured in accordance with international standards, with high reliability and stability.


ESS Test Chambers

Application Fields of ESS Test Chamber

The ESS test chamber is a device to obtain fast temperature change rate. It offers great temperature changes in a short period of time, while keep high accuracy of temperature control. This device is widely used in multiple industries:

  • Pharmacy: To test and study stability and reliability of packing and medical devices based on high temperature change conditions
  • Chemistry: To test and study function and function change rules of materials in different temperature or temperature changing conditions; to research and study function and reliability of new materials; obtain scientific proof for new material selection and high performance material selecting.
  • Aerospace: To test performance of meters, control systems, aerospace materials, spare parts etc., under extreme temperature conditions.
  • Auto Mobile: To test function and evaluate durability and reliability of engine, brake, tyres, gears, control units, control panel, etc., by simulating different seasonal and regional conditions.
  • Electronics: To test and evaluate functions and reliability of electric parts for mobile phones, laptops, and chipset, etc., under extreme fast temperature change conditions.

Other applications: Test and quality evaluate for products of Communications, meters, plastic parts, metal parts, food, construction materials, etc.

ESS Test Chambers

The Test Contents Of ESS test Chamber

The test standards of the rapid temperature change test chamber cover multiple aspects to ensure the accuracy and repeatability of the test. The following are some of the main test standards for the rapid temperature change test chamber:

  • MIL-STD-810: US military test standards, which is widely used in military and aerospace area. Multiple environmental test methods, including thermal cycle and ESS test are in it.
  • MIL-STD-202G Method 107G US military methods for testing electronic and electrical component parts.
  • IEC 60068-2-3 Revised:Basic environmental testing procedures for electronic components and electronic equipment.
  • ISO16750:Road vehicles — Environmental conditions and testing for electrical and electronic equipment.
  • IEC 62133: Safety Testing for Lithium Ion Batteries.
  • IEC 60068-2-14: Temperature Testing.
  • IEC 60068-2-1: Environmental testing.
  • IEC 60068-2-2: Dry Heat Temperature Testing.

The testing standards for the rapid temperature change test chamber cover multiple aspects, including the main standards followed, technical parameters, and other requirements. These standards and requirements together form the benchmark for equipment performance evaluation, ensuring the accuracy and repeatability of testing.

ESS Test Chambers

Control System Of The Test Chambers

The control system of the Sanwood test chamber adopts the world's leading software and hardware system to ensure that the test chamber operates under preset conditions, provide accurate and reliable experimental data, and help users achieve precise control and data collection of various experimental conditions.

  • Controller: It adopts the controller imported from South Korea Sanwon and the self-developed control system, which can be equipped with Siemens control system and equipped with RS232, RS485 and Ethernet communication ports.
  • Programmable control: It supports setting experimental programs, such as heating, cooling, constant temperature time, etc., and can execute multiple program settings, and supports advance reservation startup function.
  • Multiple languages optional: English, Korean, Russian, Chinese and Japanese.
  • Remote monitoring: Using SAMWON-EZNET network remote technology to achieve remote control, the test chamber can be monitored at any time, and the current data can be viewed through the user's PC and mobile phone, which improves the convenience of testing.

The specific control system of the test chamber will vary depending on the model. Please read the "Sanwood Environmental Test Chamber Manual" carefully before use and comply with the safety operating procedures.

ESS Test Chambers

Refrigeration System Of The Test Chamber

The refrigeration system of the test chamber is a complex and important system. The stability of the refrigeration system is crucial to the accuracy and reliability of the test results.

  • Sanwood Technology has developed a refrigerant hot gas defrosting technology, which effectively melts the frost on the evaporator by injecting high-temperature and high-pressure refrigerant steam into the heat exchanger in the test chamber. This not only ensures that the evaporator does not frost, but also greatly reduces the energy consumption of the equipment.
  • The refrigeration unit adopts an internationally renowned brand. In cooperation with Japan's Saginomiya and the United States' Sporlan, the EPV series and XUP series energy-saving system quick-opening solenoid valves have been developed, with an all-weather service life of more than 15 years. And began to develop a new Danfoss AKV series throttling electronic expansion valve system, which is more efficient and energy-saving, and reduces noise.
  • Optimize the layout of the refrigeration system, and adopt VRF (refrigerant flow control) technology based on the PID cold end output principle to achieve low-temperature energy-saving operation, which can reduce energy consumption by 30% under low-temperature conditions.
  • The refrigeration system adopts a modular design, with low failure rate, few welding points, high refrigeration efficiency, good reliability, simple maintenance, and low maintenance cost.


  • Basis Data-

    ModelSM-KS-150-CCSM-KS-225-CCSM-KS-408-CCSM-KS-800-CCSM-KS-1000-CCSM-KS-1500-CC
    Internal(mm)500*600*500500*750*600800*850*6001000*1000*8001000*1000*10001200*1000*1250
    Outer Size(mm)700*1720*1275700*1930*12901200*2100*15901250*2530*16501750*2050*14001400*2100*2030
    Volume(L)15022540880010001500
  • Performance Data+

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