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Business Summary

ESPEC is the world's leading manufacturer of "environmental test chambers" that support the advancement of cutting-edge technologies.

Through our network that extends to 50 countries worldwide, we provide high-quality products and services to customers around the world. In addition, we provide total solutions for environmental testing through various products and services, all from the customer's perspective.

Selected for 2020 Global Niche Top Companies Selection 100
  by Ministry of Economy, Trade and Industry (METI)

ESPEC is engaged in three business segments.

Graph: Sales composition

After-sales Service and Engineering,
Laboratory Testing Services /
Analysis, Calibration,
Equipment Rental, Resale

Environmental Test Chambers,
Secondary Battery-related Equipment,
Measurement & Evaluation Systems / Semiconductor-related Equipment

Environmental Preservation/
Plant Production Systems

Photo: Environmental testing

What is environmental testing?

Electronic devices and industrial products that we rely on every day are impacted by our environment in a number of ways, including temperature, humidity, pressure, light, electromagnetic waves, and vibration. Environmental testing analyzes and evaluates the impact that these environmental factors have on products in order to ascertain their durability and reliability.

Equipment Business

Environmental Test Chambers

Photo: Environmental Test Chambers

ESPEC provides environmental test chambers that replicate temperature, humidity and other environmental factors to conduct tests for assuring product reliability.

Secondary Battery-related Equipment

Photo: Secondary Battery-related Equipment

ESPEC provides devices for testing and assuring reliability and safety of secondary batteries used in hybrid and electric vehicles.

Measurement & Evaluation Systems / Semiconductor-related Equipment

Photo: Measurement & Evaluation Systems / Semiconductor-related Equipment

ESPEC provides devices and systems for quickly detecting defects in power semiconductors and other electronic components.

Providing Various Devices to Meet Customers' Needs

Eco Cars

In addition to components, assembled vehicles undergo testing, where impacts of light and vibrations are checked in addition to temperature and humidity.

Photo: Eco Cars


Complex environments of varying pressure, temperature and humidity are recreated to produce a testing environment similar to high-altitude or air transportation.

Photo: Aircraft

Pharmaceuticals, Foods, and Cosmetics

For these products, prolonged temperature and humidity testing are conducted to ensure their properties will not change after long-term storage.

Photo: Pharmaceuticals, Foods, and Cosmetics

Hypoxic Training

Reduced oxygen conditions are created inside the test area to reproduce a low-oxygen environment similar to altitude training.

Photo: Hypoxic Training

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Service Business

After-sales Service and Engineering

Photo: After-sales Service and Engineering

In addition to after-sales services, ESPEC provides preventive maintenance for our products and offer improvement proposals.

Laboratory Testing Services

Photo: Laboratory Testing Services

We carry out various laboratory tests and other services, including environmental testing consigned by clients. All ESPEC test facilities are ISO/IEC17025 certified by the Japan Accreditation Board (JAB).


Photo: Calibration

As a calibration laboratory accredited under the JCSS system, ESPEC provides calibration services for thermometers and humidity measurement devices. We also provide calibration services for environmental test chambers as a calibration laboratory under ISO/IEC 17025.

Equipment Rental

Photo: Equipment Rental

ESPEC also offers rental services. Customers are able to use our temperature chamber when necessary and for the period of time they need.


Photo: Resale

After rigorous quality inspection of its used environmental test chambers, ESPEC sells them as reused products.

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Other Business

Plant Factories, etc.

Photo: Plant Factories, etc.

ESPEC provides green business services such as environmental preservation, plant factory.