大西熱学 Product Lineup

Our company handles an all-weather environmental testing chamber that can recreate various weather conditions. It is used in research and development settings related to housing, home appliances, and automobiles, including studies on new technologies, new materials, and energy conservation. Not only does it replicate a natural environment, but it can also create situations where vehicles are actually in motion, allowing for highly accurate performance checks. 【Specifications (excerpt)】 ■ Temperature: -30℃ to +50℃ ■ Humidity: 20% to 80% ■ Wind speed: 0 to 30 m/s ■ Rainfall: 0 to 200 mm/h ■ Snowfall: 30 mm/h, etc. *For more details, please download the PDF or feel free to contact us.

We handle engine intake air temperature and humidity control devices. This device takes in outside air and supplies air with controlled temperature, humidity, and pressure. It is mainly used during the development and evaluation of automotive, motorcycle, and general-purpose engines. Please feel free to contact us if you have any requests. 【Specifications】 ■ Air supply volume: 6 to 50 m³/min ■ Temperature range and accuracy: 20 to 50°C (DB) ±1.0°C (DB) ■ Humidity range and accuracy: 40 to 60% (RH) ±5.0% (RH) (DP ≥ 8°C) *For more details, please download the PDF or feel free to contact us.

We offer a residential energy environment testing room that reproduces surrounding environmental conditions for comprehensive testing by installing a full-scale model house within a large environmental testing chamber. By uniformly controlling the temperature and humidity distribution in a large space, highly accurate testing is possible. According to customer requirements, we can conduct tests on comfort, performance of electrical and gas products, ventilation, airtightness, insulation, condensation, solar radiation, wind resistance, rainfall, and snowfall. 【Environmental Conditions】 ■ Dimensions: (W) 15m × (D) 16m × (H) 15m ■ Temperature: -30 to +60℃ (DB) ■ Humidity: 20 to 90% (RH) ■ Solar Radiation: 58 to 1,000W/m²h ■ Wind Speed: 4 to 50m/s ■ Rainfall: 110 to 300mm/h *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Test Equipment for Solar Cell Modules." This testing device employs a double chamber structure for the test chamber and utilizes a saturated two-fluid mixing method for humidity control. As a result, it enables the realization of a high-temperature and high-humidity environment (95°C, 95% RH) and can maintain high humidity consistently even when the temperature changes. 【Specifications】 ■ Temperature Range: -40°C to 100°C ±2.0°C ■ Humidity Range: 5 to 95% RH ±5.0% ■ Temperature and Humidity Control Range: Above 25°C ■ Effective Internal Dimensions: Custom-made to fit the size and number of modules *For more details, please download the PDF or feel free to contact us.

We offer a "Residential Energy Environment Testing Laboratory." At the Tohoku Electric Power Research and Development Center's "Hanamaru HOT LAB," we aim to develop electric heating systems for home appliances that are more comfortable and economically superior, suitable for the Tohoku region. We are establishing combinations of electric heating system patterns based on regional characteristics and housing characteristics. Data is collected on the performance, comfort, and economic efficiency of various heating devices under different weather conditions across Tohoku, and comprehensive evaluations are conducted. Please feel free to contact us when you need our services. 【Specifications】 ■ Dimensions: Approximately 14m x 12m, Height 19m ■ Temperature Range: -20℃ to +45℃ ■ Humidity Range: 40% to 90% (can be set at positive temperatures) ■ Temperature Control ・Cooling Time: +20℃ to -20℃ / within 4 hours ・Heating Time: +15℃ to +45℃ / within 4 hours *For more details, please download the PDF or feel free to contact us.

The "real vehicle environmental wind tunnel facility" is equipment that reproduces the environment during actual vehicle operation and tests the performance of car air conditioning systems and various components. By controlling and combining factors such as temperature, humidity, speed, and solar radiation, tests can be conducted under various environmental conditions. Please feel free to contact us when you need assistance. 【Specifications】 ■ Temperature range: -40℃ to +60℃ ■ Humidity range: 30 to 90% RH ■ Vehicle wind speed: 0 to 160 km/h ■ Solar radiation: 0 to 1200 W/m² (EPA standard compliant) ■ Rain/snow: Optional *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Flexible Chamber." This testing device is a flexible unit that can process the chamber (test tank) according to the shape of its components and supply temperature-controlled air. Additionally, to make effective use of the testing space, the chamber and air supply unit can be installed separately, allowing temperature-controlled air to be supplied via ducts. It is mainly used during the development and evaluation of automotive engines (HV, EV). 【Specifications (partial)】 ■ Temperature range: -50 to 150℃ ■ Temperature accuracy: ±0.5℃ ■ Temperature drop time: 30 to -40℃ within 120 minutes (no load) ■ Temperature control ・ Cooling time: +20℃ to -20℃ within 4 hours ・ Heating time: +15℃ to +45℃ within 4 hours *For more details, please download the PDF or feel free to contact us.

The "Human Body Environment Testing Room" is a laboratory that investigates the physiological effects of thermal and electromagnetic environments on the human body. By controlling elements such as temperature, humidity, radiant heat, and illuminance, the laboratory recreates residential and office building environments. It is utilized for research aimed at enhancing living environments and lifestyles. Please feel free to contact us if you have any inquiries. 【Specifications (partial)】 <Indoor Environment Room> ■ Temperature range: 0°C to 40°C ±0.5°C ■ Humidity range: 30% to 90% RH ±3.0% ■ Illuminance device: 0 to 10,000 Lx ■ Radiation device: Floor and wall surfaces *For more details, please download the PDF or feel free to contact us.

The "Car Air Conditioning Anechoic Chamber" is an evaluation testing room for car noise, vibration, and unpleasant sounds. This chamber is used for measuring the noise of car air conditioning systems in actual vehicles, allowing for noise measurements inside and outside the car under conditions close to real driving situations by managing indoor temperature, humidity, and wind speed, temperature, and humidity using a front wind speed device. Additionally, a compressor drive unit (with variable speed and a three-dimensional positioning device) stored in the pit under the chamber allows the car air conditioning system to operate even when the engine is off, enabling noise measurements of the air conditioning unit without interference from engine noise. 【Features】 - Sound insulation provided by a concrete structure, and the interior is lined with sound-absorbing materials. The soundproofing of circulating air is achieved through low-speed ducts and silencers. - The solar radiation device installed in the ceiling uses metal halide lamps with spectral energy distribution characteristics that meet EPA standards. *For more details, please download the PDF or feel free to contact us.

The "Thermal Shock Test Equipment" repeatedly exposes test items to high and low temperatures in a short period to evaluate their durability and lifespan. There are several methods for switching between high and low temperatures, including moving test items, stationary test items with damper switching, and liquid tank test item moving methods. Please feel free to contact us when you need assistance. 【Features】 <Moving Test Item> ■ Can reduce the load, thus shortening the recovery time ■ Requires two tanks, resulting in a larger equipment size <Stationary Test Item with Damper Switching> ■ Increased load leads to longer recovery time ■ Only one tank is needed, resulting in a smaller equipment size *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Large Constant Temperature Air Conditioning" system. This air conditioning equipment is designed to maintain a constant temperature in spacious environments, such as assembly production factories for precision instruments and precision machining machines. Please feel free to contact us when you need assistance. 【Specifications】 ■ Dimensions: 35m × 35m, Height 11m ■ Vertical Temperature Distribution: 20℃ ±2℃ ■ Horizontal Temperature Distribution: 20℃ ±2℃ *For more details, please download the PDF or feel free to contact us.

The "Real Vehicle Vibration Environment Chamber" is a facility capable of measuring noise during environmental and vibration testing of automobiles. To achieve high and low humidity environments, sound-absorbing materials are finished with moisture-proof sheets, and condensation prevention insulation sheets are installed on the movable parts of the vibration machine. To prevent condensation in the vibration machine pit and leakage from the movable parts of the vibration machine, dry air is introduced into the vibration machine pit. 【Features】 ■ Vehicle interior and absorber cooling and heating system ■ Special vibration machine opening cover system *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Constant Temperature and Humidity Chamber." This is a representative testing device that can control temperature and humidity, widely used for testing various products. We can manufacture models ranging from small ones that fit the test items to large types that allow operators to enter the testing chamber, as well as specifications that accommodate high temperature and high humidity, low humidity conditions, and even explosion-proof measures. 【Specifications (partial)】 ■ Temperature range: -70 to 150℃ ■ Temperature accuracy: ±0.5℃ ■ Temperature distribution: ±1.0℃ ■ Humidity range: 20 to 98% RH ■ Humidity accuracy: ±5.0% ■ Effective internal dimensions: Customized to fit the test items *For more details, please download the PDF or feel free to contact us.

We offer "anechoic and soundproof rooms." The temperature range is 7°C to 43°C, and the humidity range is 30% to 85% RH, with indoor noise levels below 16 dB (A). These rooms are used for noise evaluation tests of home appliances and other products. Please feel free to contact us if you have any inquiries. 【Specifications】 ■ Temperature range: 7°C to 43°C ■ Humidity range: 30% to 85% RH ■ Indoor noise: below 16 dB (A) *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Constant Temperature and Humidity Chamber for Vibration Testing." This is a type of combined testing equipment that allows for testing in environments close to actual usage, where temperature and humidity can be applied simultaneously with vibration (in both horizontal and vertical directions), which has been increasingly in demand year by year. We can also manufacture testing equipment that can apply loads such as rotation and twisting in addition to vibration. 【Specifications (partial)】 ■ Temperature range: -60 to 150℃ ■ Temperature accuracy: ±0.5℃ ■ Temperature distribution: ±3.0℃ ■ Humidity range: 20 to 98% RH ■ Humidity accuracy: ±5.0% RH, DP above 8℃, DB below 85℃ *For more details, please download the PDF or feel free to contact us.

The "Ventilation Simulation Facility" is a wind tunnel designed to measure and evaluate the ventilation characteristics of buildings. Inside, there is an experimental space (model house) and a turntable system to adjust the wind and angles, enabling detailed research on airflow inside and outside the building. Please feel free to contact us when you need assistance. 【Specifications (partial)】 ■ Wind speed: 1m to 5m/s ■ Wind speed distribution: ±5.0% or less ■ Turbulence intensity: ±10% or less ■ Nozzle dimensions: 9500W × 5000H ■ Temperature: Room temperature to 25°C or less *For more details, please download the PDF or feel free to contact us.

The "Cryogenic Heat Treatment (Sub-Zero) Device" is a machine used for low-temperature quenching heat treatment of steel materials and steel products. The low-temperature state is created using mechanical cooling with a refrigeration unit, without the use of nitrogen, which helps reduce running costs. It has a wide range of applications and is used in various fields of steel products. 【Features】 ■ Temperature range: -75 to 100℃ ■ Temperature accuracy: ±1.0℃ ■ Temperature distribution: ±3.0℃ ■ Product input method: Conveyor type / Manual type ■ Tank size: Custom-made to fit the size of the products being processed *For more details, please download the PDF or feel free to contact us.

The "Compressor Durability Testing Device" is a device used for conducting durability tests on compressors for refrigerators, room air conditioners, and car air conditioners. It sets various environmental conditions for the tested compressor and conducts tests. Data extraction can be performed through settings for high and low temperatures, humidity, and rapid acceleration and deceleration tests (sweep tests). Additionally, it can test multiple compressors simultaneously. 【Specifications】 ■ Rotational speed: 500–13,000 rpm ■ Temperature - Compressor: -40 to +150℃ - Condenser: -40 to +60℃ - Evaporator: -40 to +60℃ ■ Humidity: 30–80% RH *For more details, please download the PDF or feel free to contact us.

The "Leak Test Chamber" is a device used to measure the amount of refrigerant leakage from test samples (mainly automotive air conditioning systems). To measure the leakage amount, the chamber must maintain high airtightness. Therefore, this device features a double-door design to enhance the reliability of measurement accuracy. Please feel free to contact us when you need assistance. 【Specifications】 ■ Reproducibility accuracy: 1% or less ■ Testing standards - JIS B8615-1: 1999 - JIS B8615-2: 1999 - ISO 5151: 1999 *For more details, please download the PDF or feel free to contact us.

The "Air Conditioner Environmental Testing Room" is a testing facility equipped with a model house. It features one of the largest testing rooms in the air conditioning industry (equivalent to 21 tatami mats), designed for testing the indoor units of air conditioners installed in the model house and the outdoor units installed in the environmental testing room. The size of the model house is set at 21 tatami mats, and it can be adjusted from 6 tatami mats to 8, 10, 12, 14, 16, and 21 tatami mats by moving partition panels. 【Features】 ■ One of the largest environmental testing rooms in the air conditioning industry ■ Designed for testing the indoor units of air conditioners installed in the model house and the outdoor units installed in the environmental testing room ■ The roof is made of insulated panels for the testing room ceiling *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "Residential Environmental Testing Laboratory." The "Residential Performance Testing Environmental Laboratory" is designed for researching the performance of homes, featuring tests conducted on a full-scale two-story model house. It can simulate various weather conditions throughout the year and allows for complex program operations including temperature and humidity tests, solar radiation tests, localized wind and rain tests, and ventilation tests. Additionally, we have a "Solar Heat Gain Measurement Device" composed of a solar simulator, a constant temperature room, and measurement boxes. 【Specifications (partial)】 ■ Room dimensions: W13,750 × D15,400 × H14,750 mm ■ Temperature: -30℃ to +60℃ ■ Humidity: 30% to 90% RH ■ Ventilation capacity: MAX 9,000 m³/H *For more details, please download the PDF or feel free to contact us.

We would like to introduce our "LLC Oil Temperature Control Device." It maintains the engine coolant (LLC) and oil (OIL) at a set temperature according to the load variation. The control system adds a multi-point PID system to the conventional feedback control. Additionally, there is a system that performs predictive control by inputting the operating signals from the test program side, allowing it to respond to various load changes. 【Features】 ■ Maintains engine coolant (LLC) and oil (OIL) at a set temperature according to load variation ■ Adds a multi-point PID system to the conventional feedback control ■ Responds to various load changes *For more details, please download the PDF or feel free to contact us.

The "Living Environment Test Room" is a testing facility capable of reproducing various weather conditions in living environments. It has the ability to simulate extreme environments (high temperatures, extreme cold, sunlight, heavy rain, and storms) that the human body is expected to encounter during sports or work. The environmental test room at Onishi Thermal Engineering is utilized in research and development settings across industries such as home appliances, automotive, textiles, and construction, focusing on the development of new materials and energy-saving technologies. 【Environmental Conditions (Partial)】 ■ Dimensions (Test Room) ・4.9m(W)×5.8m(D)×3.15m(H) + 4.0m(W)×5.5m(D)×3.15m(H) ■ Temperature: -40℃ to +80℃ ±0.5℃ (DB) ■ Humidity: 30% to 95% ±2.5% (rh) *For more details, please download the PDF or feel free to contact us.

The "Indoor Environment Evaluation Test Room" is a testing facility that reproduces the effects of air conditioning discharge air temperature and airflow on human perception. The testing facility consists of a room that simulates outdoor conditions and a model house that replicates indoor environments. The distribution of temperature and humidity measured inside the model house installed in the outdoor conditions room, as well as the distribution of wind speed, are evaluated for comfort using thermal cameras and thermal mannequins. Additionally, this facility is capable of conducting snowfall tests, simulating snow accumulation environments. 【Environmental Conditions (Partial)】 ■ Dimensions - Outdoor Conditions Room: 11.0m(W) × 9.0m(D) × 5.0m(H) - Model House: 8.0m(W) × 6.5m(D) × 2.7m(H) ■ Temperature: -40℃ to +54℃ ±1.0℃ (DB) ■ Humidity: 40% to 90% ±5% (rh) *For more details, please download the PDF or feel free to contact us.

The "Refrigerator Testing Room" is a facility equipped with multiple refrigerators installed within the testing room to conduct tests. By controlling the temperature and humidity of the surrounding environment and providing a stable power supply, it is possible to evaluate power consumption and other factors. The environmental testing room from Onishi Thermal Engineering, which can reproduce various weather conditions, is utilized in research and development in industries such as home appliances, automotive, textiles, and construction, focusing on the development of new materials and energy-saving technologies both domestically and internationally. 【Environmental Conditions (Partial)】 ■ Temperature: 0℃ to +45℃ ±0.3℃ (DB) ■ Humidity: 40% to 90% ±3% (rh) 8℃≦DP≦32℃ ■ Temperature and Humidity Distribution ・No Load: ±0.3℃ (DB), ±3% (rh) ・With Load: ±0.3℃ (DB), ±3% (rh) (JIS C9607) *For more details, please download the PDF or feel free to contact us.

The "Complex Vehicle Environment Testing Room" is a facility capable of conducting environmental tests for automobiles, as well as solar radiation, vibration, and acoustic tests. It can accommodate high and low temperatures and humidity levels, and can be controlled even during engine operation. Additionally, it allows for independent temperature control of the shock absorber cooling system and the vehicle interior. The solar radiation lamps approximate sunlight wavelengths and can also be used for durability testing of the test vehicles. 【Specifications (partial)】 ■ Dimensions: 8.0m (W) × 6.0m (D) × 5.0m (H) ■ Temperature: -40℃ to +90℃ ±2.0℃ (DB) ■ Change time: -40℃ to +90℃ (DB) 170 min ■ Humidity: 20% to 95% ±5% (rh) ■ Test vehicle mass: Maximum 3,000kg *For more details, please download the PDF or feel free to contact us.

The "Car Air Conditioning Cycle Bench" is a cycle evaluation room that can simulate the actual vehicle environment of car air conditioning. It supports not only compressor drive via belt but also electric drive, as well as heat pump cycle compatibility. Our environmental testing room is utilized in research and development settings for automobiles and other fields focused on the development of new materials and energy-saving technologies, both domestically and internationally. 【Specifications】 ■EVA Room Temperature: -20℃ to +50℃ (DB) ■EVA Room Humidity: 30% to 90% (rh) ■COND Room Temperature: -20℃ to +50℃ (DB) ■COND Room Humidity: 30% to 90% (rh) *For more details, please download the PDF or feel free to contact us.

The "Human Environment Testing Room" is a double-structured testing room designed to achieve a natural convection level with an indoor wind speed of 0.1 m/s or less, controlling temperature and humidity in the outer room while conducting sleep environment tests in the inner room. To achieve the target wind speed, it features a mechanism that utilizes the Coanda effect. Our environmental testing room, which can replicate various weather conditions, is utilized in research and development settings in the construction industry for the development of new materials and energy-saving technologies, both domestically and internationally. 【Environmental Conditions】 ■ Dimensions (Outer Room): 5.0m(W) × 4.7m(D) × 2.9m(H) ■ Dimensions (Inner Room): 3.3m(W) × 2.8m(D) × 2.3m(H) ■ Temperature: +5℃ to +35℃ ±0.5℃ (DB) ■ Humidity: 40% to 80% ±5% (rh) ■ Inner Room Heat Load: Maximum 500W ■ Inner Room Moisture Load: 150g/h *For more details, please download the PDF or feel free to contact us.

The "Air Conditioner Low Temperature Endurance Test Chamber" is a testing facility for evaluating the reliability of household air conditioners during heating operation endurance tests. The chamber can control temperatures from -50°C to 0°C and is equipped with frost prevention measures that allow for continuous operation for up to 5,000 hours. The environmental testing chamber at Onishi Thermal Engineering is utilized in research and development settings for new materials and energy-saving technologies in home appliances, both domestically and internationally. 【Environmental Conditions (Partial)】 ■ Dimensions (Main Chamber): 2.7m (W) × 6.3m (D) × 3.2m (H) ■ Dimensions (Air Conditioning Equipment Room): 2.19m (W) × 2.4m (D) × 3.2m (H) ■ Temperature: -50°C to 0°C ±1.0°C (DB) ■ Humidity: As is (Free) ■ Temperature Distribution: ±3.0°C (DB) *For more details, please download the PDF or feel free to contact us.

The "Wind and Snow Test Chamber" is a testing facility designed to recreate various environmental conditions for test specimens, capable of temperature control from low to room temperature, primarily utilizing snow for evaluation. The interior is equipped with a snowfall device that creates snow and a wind tunnel system with an automatic snow transport device that simulates blizzards. The environmental test chamber by Onishi Thermal Engineering reproduces various weather conditions and is utilized in research and development settings across industries such as housing appliances, automotive, textiles, and construction, focusing on the development of new materials and energy-saving technologies. 【Environmental Conditions】 ■ Dimensions (Main Chamber): 8.5m(W) × 4.7m(D) × 3.2m(H) ■ Dimensions (Ante-Chamber): 2.7m(W) × 2.0m(D) × 2.5m(H) ■ Temperature: -30℃ to +20℃ ±1.0℃ (DB) ■ Wind Speed: Maximum 20m/s at -20℃ (DB) ■ Snowfall: 30mm/h ■ Solar Radiation: Maximum 1,170Wh/m2 *For more details, please download the PDF or feel free to contact us.

Our company offers environmental test chambers designed for the research, development, and evaluation testing of various types of batteries. In performance evaluations of batteries, including those for automotive and stationary use, temperature conditions significantly affect battery characteristics and degradation behavior, making stable environmental control essential. This test chamber is designed with consideration for the environmental temperature control performance and safety required for battery testing, making it suitable for various evaluation purposes. We can also flexibly accommodate customizations based on the size of the test specimens and testing conditions. We are consulted as a testing facility that provides a stable temperature environment for the development and evaluation testing of automotive batteries, industrial batteries, energy storage systems, and more.

Our company offers an environmental testing facility capable of conducting evaluation tests that take into account brake wear particles (brake emissions). In recent years, the increasing regulations and evaluation needs regarding particles derived from brakes have necessitated the establishment of testing environments that consider the generation, adhesion, and behavior of wear particles. This testing facility has been designed with consideration to accommodate test conditions that simulate the generation of brake wear particles. It enables the implementation of environmental tests that take into account the impact of wear particles on the test specimens and the interior of the testing facility. It is utilized as testing equipment for research and development and durability evaluation of automotive parts, brake-related components, sensors, and surrounding electronic components, allowing for evaluations under conditions close to actual usage environments.

In the electronics industry, durability testing under various environmental conditions is essential to ensure product reliability. External factors such as temperature changes, humidity, and vibration significantly affect product performance and lifespan. This equipment is a temperature control bench designed to create the temperature-controlled environment necessary for thermal management evaluation. As products become more high-performance and high-density, the importance of thermal management is increasing. At the same time, there are more cases where collaboration with evaluation organizations or partner companies with specialized knowledge is required for evaluation methods and analysis. The planning and execution of evaluation methods related to thermal management will be handled by external specialized companies.

Our company handles environmental testing chambers equipped with rain simulation devices. For products used outdoors, it is essential to evaluate not only temperature and humidity but also the effects of rainfall. This testing chamber can recreate artificial rainfall environments in addition to environmental conditions such as temperature and humidity. This allows for performance and reliability evaluation tests that simulate real-world conditions, including water resistance, drainage, and operational stability during rainfall. In the research and development and quality evaluation of products expected to be used in rainy conditions, such as residential equipment, automotive devices, outdoor installations, building materials, and electronic devices, our environmental testing chamber with rain simulation devices provides a highly reproducible evaluation environment.

Our company handles environmental testing chambers equipped with solar radiation devices. In product evaluations intended for outdoor use, it is important to assess not only temperature and humidity but also the heating effects caused by solar radiation. This testing chamber can replicate solar radiation conditions using artificial sunlight, in addition to environmental conditions such as temperature and humidity. This allows for evaluation tests in conditions that closely resemble actual usage environments, including surface temperature increases when exposed to direct sunlight and thermal effects on the internal components. In the research and development of products used outdoors or under direct sunlight, such as residential equipment, automotive devices, building materials, and electronic devices, our environmental testing chamber with solar radiation devices provides a testing environment that supports reliable performance and durability evaluations.

Our company offers environmental test chambers capable of humidification operation even in low-temperature environments below 0°C. Humidity control in low-temperature ranges has been considered difficult to reproduce in conventional environmental test chambers. This test chamber employs a freeze prevention design to ensure stable humidification even under low-temperature conditions. As a result, humidity control is possible even at temperatures below 0°C, allowing for tests that replicate phenomena close to real-world conditions, such as condensation, frost formation, and freezing behavior. In research and development and evaluation tests for cold-weather equipment, automotive components, electronic parts, and building materials, our low-temperature humidification-compatible environmental test chamber has received high praise as a testing facility that enables the evaluation of low-temperature humidification environments that have been challenging to reproduce until now.

Our company offers energy-efficient environmental testing chambers that reduce energy consumption during operation. As the sophistication and duration of environmental testing increase, there is a growing demand to ensure testing accuracy while reducing electricity usage and operational costs. This testing chamber is designed to reduce energy consumption compared to conventional environmental testing chambers by optimizing insulation performance and adopting high-efficiency air conditioning and control systems. It achieves a balance between reducing running costs and minimizing environmental impact while consistently reproducing testing conditions such as temperature and humidity. For customers who want to promote energy efficiency in testing facilities without compromising the quality of research and development, our energy-efficient environmental testing chambers contribute to building a sustainable research and development environment.

Our company offers environmental testing chambers capable of accommodating tests using next-generation refrigerants. As the adoption of various new refrigerants, such as low GWP refrigerants and natural refrigerants, progresses towards addressing global warming and achieving a decarbonized society, research and development environments require evaluation settings that ensure safety and reliability. This testing chamber not only allows for high-precision control of environmental conditions such as temperature and humidity, but it can also be designed with safety measures tailored to the characteristics of the refrigerants. It flexibly responds to the diverse testing needs of new refrigerants, including flammable and high-pressure refrigerants, and can conduct performance evaluations and durability tests under conditions that simulate actual usage environments with high reproducibility. In the research and development of next-generation equipment that demands reduced environmental impact and energy efficiency, our environmentally friendly testing chamber for new refrigerants serves as a robust evaluation foundation supporting the realization of a sustainable society and strongly aids in product development.

Our company offers an environmental testing chamber capable of conducting tests using CO₂ refrigerant (R744). CO₂ refrigerant has an extremely low global warming potential (GWP) of 1 and significantly contributes to reducing environmental impact as a natural refrigerant. Its adoption is progressing in air conditioning equipment, refrigeration and freezing equipment, and heat pump water heaters. This testing chamber not only allows for high-precision control of environmental conditions such as temperature and humidity, but also incorporates a safety design that takes into account the high-pressure characteristics unique to CO₂ refrigerant. This enables efficient performance evaluation and durability/reliability testing under conditions simulating actual usage environments, while ensuring safety and reproducibility. As we strive towards a decarbonized society, where high efficiency and energy-saving of equipment are required, our CO₂ refrigerant-compatible environmental testing chamber serves as a supportive evaluation environment that balances environmental performance and practical performance, strongly supporting the research and development of next-generation products.

Our company offers environmental test chambers capable of conducting tests using flammable refrigerants (A2L/A3). We can accommodate a wide range of testing needs using next-generation refrigerants, from mildly flammable refrigerants (A2L) like R32 to highly flammable refrigerants (A3) represented by R290 (propane). This test chamber not only allows for precise control of environmental conditions such as temperature and humidity, but it is also equipped with various safety measures, including explosion-proof design, forced ventilation, and gas leak detection, to safely handle flammable refrigerants. This enables the performance evaluation and reliability testing in research and development settings for air conditioning equipment, refrigeration equipment, and heat pumps, under conditions that simulate actual usage environments, with high safety and reproducibility. In the research and development of next-generation refrigerants, where both environmental impact reduction and safety are required, our flammable refrigerant-compatible environmental test chamber provides a reliable evaluation environment.

This testing room is an all-weather environmental testing facility capable of accurately reproducing various environmental conditions such as temperature, humidity, wind, rainfall, and snowfall, combined with explosion-proof design and safety measures that take into account the unique hazards of hydrogen. It is widely used in research, development, evaluation, and safety verification involving hydrogen energy-related equipment, fuel cells, next-generation mobility, pressure vessels, and piping materials. Not only does it reproduce environmental conditions, but it can also simulate dynamic testing conditions based on actual usage and driving scenarios, allowing for the evaluation of product performance, durability, and safety under hydrogen atmospheres in a manner that closely resembles real-world environments.

This test chamber not only can accurately reproduce various environmental conditions such as temperature, humidity, wind, rainfall, and snowfall, but it is also characterized by its explosion-proof structure, allowing for safe use even in testing environments where safety is a concern. It is widely adopted in research and development and evaluation fields across various sectors, including hydrogen, refrigerants, chemical materials, secondary batteries, as well as automotive, energy, chemical, and home appliance industries. Beyond merely static environmental reproduction, it can recreate dynamic test conditions that simulate actual driving and usage, enabling more reliable performance evaluations and safety verifications that are aligned with real-world environments. *Customization is also possible according to explosion-proof specifications, applicable standards, and testing content.*

Our company handles environmental test chambers that take into account fire suppression measures in anticipation of abnormalities during battery testing. In battery tests, including lithium-ion batteries, it is crucial to prepare for risks such as thermal runaway, smoke, and fire. This test chamber is designed with a focus on ensuring safety during abnormal situations, incorporating structural designs that consider coordination with fire suppression equipment and mechanisms. This allows us to reduce risks during testing while supporting the continuation of evaluation tests. We are considering this facility as a means to establish a testing environment that prioritizes safety in the research, development, and safety evaluation of automotive batteries and energy storage batteries.

This is a temperature and humidity control chamber designed for tests involving flammable gases and combustible materials, with explosion-proof specifications. In tests involving flammable gases and combustible materials, the safety measures of the testing equipment itself are crucial. This product features a structure and component selection that takes explosion-proof measures into account, tailored to your requirements, achieving a balance between temperature and humidity control and safety. It is used for testing applications such as new refrigerant evaluations.

We offer a "Hydrogen Explosion-Proof Constant Temperature and Humidity Chamber" designed for tests involving hydrogen. Hydrogen is highly flammable, and a higher level of safety consideration is required in testing environments. This product adopts specifications that take into account explosion-proof structures and ventilation/exhaust designs, tailored to your needs, assuming hydrogen leakage. It can be utilized for evaluation tests of hydrogen-related components and materials.