大西熱学 Product Lineup

This is a thermal medium tank that maintains the liquid medium at a constant temperature, allowing the test subject to be used in any liquid medium temperature environment. It controls the thermal medium temperature while heating and cooling, providing a liquid medium environment according to the test conditions. Multi-tank proposals are also possible depending on the application. It can accommodate a wide range of applications, such as temperature load testing.

• Environmental Test Equipment
• Engine parts

This is a testing device designed for performance verification and durability evaluation tests of various types of valves. It can control test conditions such as pressure and flow rate, allowing for the assessment of valve operating characteristics and leakage evaluation. It can be used for evaluation testing of valves for air conditioning equipment, automotive parts, and industrial equipment.

• Environmental Test Equipment
• Engine parts

This is a refrigerant supply device for supplying refrigerant to various testing equipment. It allows for control based on the type of refrigerant and supply conditions, providing stable refrigerant supply. It is a supply device capable of supporting performance evaluation of refrigeration and air conditioning equipment as well as component testing applications.

• Environmental Test Equipment
• Engine parts

This is a testing device designed for performance evaluation tests of various heat exchangers. It can control fluid temperature and flow rate according to the test subject, allowing for the evaluation of heat exchange performance under conditions that simulate actual usage. It can be used for research and development and performance evaluation purposes for air conditioning equipment, automotive heat exchangers, industrial equipment, and more.

• Environmental Test Equipment
• Engine parts

This is a temperature control device designed for low-temperature control, such as engine oil. Controlling liquid temperature in low-temperature ranges (below 0°C) is a challenging task, but our company leverages years of experience to achieve liquid temperature control in the -40°C range. It is a temperature control device suitable for cooling performance evaluation and durability testing applications.

• Environmental Test Equipment
• Engine parts

This is a temperature control device designed for low-temperature control of LLC. Controlling the liquid temperature in low-temperature ranges (below 0°C) is a challenging task, but our company leverages years of experience to achieve liquid temperature control in the -40°C range. This temperature control device is suitable for cooling performance evaluation and durability testing applications.

• Environmental Test Equipment
• Engine parts

Our company handles constant temperature chambers that take into account fire extinguishing measures in anticipation of abnormalities occurring 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 device has been designed with a focus on ensuring safety during abnormal situations, incorporating structural designs that consider collaboration with fire extinguishing equipment and fire suppression mechanisms. This allows for a reduction in risks during testing while supporting the continuation of evaluation tests. We are considering this device as a means to establish a testing environment that prioritizes safety in the research and development and safety evaluation of automotive batteries and energy storage batteries.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

The "Constant Temperature and Humidity Chamber for Batteries" that we handle is designed to support the research, development, and evaluation testing of various types of batteries. In performance evaluation of batteries, including those for vehicles and stationary use, temperature conditions significantly affect battery characteristics and degradation behavior, making stable environmental control essential. This testing chamber is designed with consideration for the environmental temperature control performance and safety required for battery testing, and it can accommodate various evaluation applications. We also offer flexible customization according to the size of the test specimens and testing conditions. We are consulted as a testing device that provides a stable temperature environment for the development and evaluation testing of vehicle batteries, industrial batteries, energy storage systems, and more.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

The "Vacuum-Compatible Constant Temperature Chamber" we offer is a testing device designed for temperature tests under reduced pressure conditions. It can be utilized for tests simulating high-altitude environments and for evaluation tests involving pressure changes.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

Our "Temperature and Humidity Chamber with Solar Radiation Device" is a system that allows for testing with added solar radiation conditions in addition to temperature and humidity control. It is suitable for evaluation tests considering solar radiation effects, such as for outdoor equipment and automotive components.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

Our company offers constant temperature and humidity chambers designed for humidification operations in low-temperature environments. These chambers enable humidity control in low-temperature conditions, which has been difficult to reproduce in the past, allowing for evaluation tests of condensation, frost formation, and freezing behavior. They are utilized for equipment designed for cold regions and for the evaluation of electronic components.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

Our "Energy-saving Constant Temperature and Humidity Chamber" is designed with a focus on reducing energy consumption during operation. It achieves a balance between stable temperature and humidity control and energy efficiency, even during long-term testing and continuous operation. It can be considered as an environmentally friendly testing facility.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

Our company offers constant temperature and humidity chambers capable of conducting various evaluation tests using new refrigerants. With the diversification of refrigerants, flexible responses are required from testing equipment. This product features a structure and safety design that takes into account the characteristics of new refrigerants, making it suitable for research and development as well as performance evaluation purposes.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

The "CO₂ refrigerant (R744) compatible constant temperature and humidity chamber" we offer is designed with high-pressure CO₂ refrigerant testing in mind. In addition to temperature and humidity control, it also takes into account safety during testing and the durability of the equipment, making it suitable for evaluation tests of CO₂ refrigerant-related devices and components.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

Our company handles constant temperature and humidity chambers that can accommodate tests using A3 refrigerants such as R290 and A2L refrigerants such as R32. In tests involving flammable refrigerants, safety measures for refrigerant leakage are required. This product has been designed with considerations for ventilation and explosion prevention, making it suitable for evaluating equipment and components that use flammable refrigerants.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

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.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

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.

• Environmental Test Equipment
• Temperature and humidity controlled room
• Thermostatic chamber

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.*

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

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.

• Wind Speed/Volume Meter
• Environmental Test Equipment
• Testing Equipment and Devices

The "Car Compressor Calorimeter" is a testing device for car air conditioner compressors, primarily featuring two testing methods. The combined method of secondary refrigerant calorimetry and liquid refrigerant flow measurement allows for high-precision and highly reliable measurements by comparing the two measurement methods. The refrigerant vapor flow meter method establishes a refrigeration cycle that does not liquefy, achieving low cost, energy savings, space efficiency, and quick stability during the measurement cycle. Additionally, it is possible to attach a circuit to control the oil circulation rate (OCR) as an option. 【Specifications】 ■ Reproducibility accuracy: less than 1% (Under) ■ Testing standard: JIS B8606 Testing methods for refrigerant compressors ■ Measurement range: 150W to 30,000W (production record) ■ Refrigerants: R744, R134a, R1234yf, etc. ■ Stabilization time: within 60 minutes (standard) *For more details, please download the PDF or feel free to contact us.

• Testing Equipment and Devices

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.

• Environmental Test Equipment

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.

• Environmental Test Equipment
• air conditioning
• Air Conditioning System

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.

• Environmental Test Equipment

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.

• Environmental Test Equipment
• air conditioning
• Other Auto Parts

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.

• Environmental Test Equipment

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.

• Environmental Test Equipment
• Refrigerators and freezers
• refrigerator

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.

• Environmental Test Equipment

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.

• Environmental Test Equipment

The "clean room" is a product that is active in various fields, including semiconductor-related facilities, optical businesses, food processing, and medical applications. Designed and constructed according to specific purposes, such as white clean and bio clean, it achieves advanced space purification and meets the wide-ranging demands of advanced technology development. Please feel free to contact us if you have any inquiries. 【Product Lineup】 ■ Clean Rooms / Analysis Rooms ■ Clean-related Equipment *For more details, please download the PDF or feel free to contact us.

• Clean Room

The "Compressor Calorimeter" is a testing device used to measure the refrigeration capacity of various compressor units for room air conditioners, car air conditioners, refrigerators, and more. It mainly employs a system that combines the secondary refrigerant calorimeter method and liquid refrigerant flow meter, as well as a system using refrigerant vapor flow meter method. An optional circuit for controlling the oil circulation rate (OCR) can be added. 【Specifications】 ■ Reproducibility accuracy: 1% or less ■ Testing standard: JIS B8606 Testing methods for refrigerant compressors ■ Measurement range: 30W to 120,000W (production record) ■ Refrigerants: R32, R290, R448A, R449A, R744, R1234yf, etc. ■ Stabilization time: within 60 minutes (standard) *For more details, please download the PDF or feel free to contact us.

• Testing Equipment and Devices

Our company handles a test chamber that is widely used for measuring the capacity of room air conditioners, package air conditioners, car air conditioners, etc., using the "Air Enthalpy Method (Cyclic Metric Type)." We simultaneously measure the temperature, humidity, and airflow of the intake and exhaust air of the tested air conditioning units to calculate their heating and cooling capacity. There are many variations of this device, and in simpler models, airflow measurement devices are installed only on the indoor side for measurement, making them suitable for the development of new models. 【Specifications】 ■ Reproducibility accuracy: 1% or less ■ Testing standards: JIS B8615-1/JIS B8615-2/ISO 5151 *For more details, please download the PDF or feel free to contact us.

• Testing Equipment and Devices

The "Balanced Room Type Calorimetry Method" is a testing chamber that simultaneously measures the capacity of both the indoor and outdoor sides with high precision. The indoor side automatically heats and humidifies the cooling and dehumidification provided by the test room air conditioner to achieve thermal equilibrium under JIS conditions, measuring the necessary supply amount to maintain that equilibrium. The outdoor side automatically achieves thermal equilibrium corresponding to the heat dissipation from the test air conditioner condenser, measuring the total heat amount in that state. This device is equipped with the aforementioned calorimeter for both indoor and outdoor measurements, allowing simultaneous measurement. 【Specifications】 ■ Indoor/Outdoor Balance Ratio: 2% or less ■ Reproducibility Accuracy: 1% or less ■ Testing Standards: JIS B8615-1/ISO 5151 *For more details, please download the PDF or feel free to contact us.

• Testing Equipment and Devices

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.

• Environmental Test Equipment
• Engine parts

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.

• Environmental Test Equipment