Information
Japan, 〒145-0066 Tokyo, Ota City, Minamiyukigaya, 4-chōme−3−１９ 東亜ビル
+81 3-3729-8111
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Overview
- Summary
- TOA KEIKI is a Japanese precision instrument manufacturing company established in 1904, specializing in various types of thermometers. The company aims to create 'standards' for measurement, focusing on high-precision glass thermometers and mercury-free thermometers. It possesses the capability to provide a wide range of solutions, from national metrological standard products to industrial sites and occupational safety fields. The company particularly concentrates on developing mercury-free technologies in response to environmental regulations and products that meet the latest safety standards. With a long history and technological expertise, it is a specialized company supplying highly reliable measuring equipment.TOA KEIKI is a Japanese precision instrument manufacturing company established in 1904, specializing in various types of thermometers. The company aims to create 'standards' for measurement, focusing on high-precision glass thermometers and mercury-free thermometers. It possesses the capability to provide a wide range of solutions, from national metrological standard products to industrial sites and occupational safety fields. The company particularly concentrates on developing mercury-free technologies in response to environmental regulations and products that meet the latest safety standards. With a long history and technological expertise, it is a specialized company supplying highly reliable measuring equipment.
- Key Products/Technologies
- The Water Triple Point Cell is a national metrological standard product and a primary thermometer, a highly precise Japanese-made item. This product represents a core technology providing fundamental reference points for temperature measurement.The Water Triple Point Cell is a national metrological standard product and a primary thermometer, a highly precise Japanese-made item. This product represents a core technology providing fundamental reference points for temperature measurement.
- The Neo Blue Standard Thermometer, available in double-tube and rod types, is a high-precision mercury-free thermometer. It serves as a safe alternative in environments where mercury use is restricted, supporting JCSS calibration, general calibration, recalibration, and traceability documentation.The Neo Blue Standard Thermometer, available in double-tube and rod types, is a high-precision mercury-free thermometer. It serves as a safe alternative in environments where mercury use is restricted, supporting JCSS calibration, general calibration, recalibration, and traceability documentation.
- The Magnet-attached Black Globe Type Heatstroke Meter is a product developed in line with the revised Industrial Safety and Health Regulations (June 2025). It visualizes heatstroke risk to assist in workplace safety management and complies with JIS B 7922:2023 Class 2 standards.The Magnet-attached Black Globe Type Heatstroke Meter is a product developed in line with the revised Industrial Safety and Health Regulations (June 2025). It visualizes heatstroke risk to assist in workplace safety management and complies with JIS B 7922:2023 Class 2 standards.
- High-precision Digital Standard Thermometer Standard Thermo and High-Grade models are digital high-precision thermometers supporting JCSS calibration and traceability documentation. These products offer solutions for precise temperature measurement across various industrial sectors.High-precision Digital Standard Thermometer Standard Thermo and High-Grade models are digital high-precision thermometers supporting JCSS calibration and traceability documentation. These products offer solutions for precise temperature measurement across various industrial sectors.
- The Standard Thermo Sensor Group includes the standard sensor TOA-PTS150, which also ensures high reliability through JCSS calibration and traceability documentation. This technology provides various sensor options suitable for diverse environments.The Standard Thermo Sensor Group includes the standard sensor TOA-PTS150, which also ensures high reliability through JCSS calibration and traceability documentation. This technology provides various sensor options suitable for diverse environments.
- Glass thermometers represent a core product line manufactured by the company since its establishment in 1904. The expertise in producing standard glass thermometers symbolizes the company's long-standing technological prowess.Glass thermometers represent a core product line manufactured by the company since its establishment in 1904. The expertise in producing standard glass thermometers symbolizes the company's long-standing technological prowess.
- Core Advantages
- Over 100 years of history and tradition signify the company's unique technological capabilities and accumulated know-how in the field of measurement. This is a crucial factor ensuring product reliability and precision.Over 100 years of history and tradition signify the company's unique technological capabilities and accumulated know-how in the field of measurement. This is a crucial factor ensuring product reliability and precision.
- The ability to manufacture high-precision metrological standard products, including the national metrological standard Water Triple Point Cell, demonstrates the company's technological superiority. JCSS calibration and traceability documentation provide high credibility to customers.The ability to manufacture high-precision metrological standard products, including the national metrological standard Water Triple Point Cell, demonstrates the company's technological superiority. JCSS calibration and traceability documentation provide high credibility to customers.
- The high-precision mercury-free thermometer technology, proactively addressing mercury use regulations, showcases the company's capability to provide environmentally friendly and safe solutions. This is a significant competitive advantage in specific industrial sectors.The high-precision mercury-free thermometer technology, proactively addressing mercury use regulations, showcases the company's capability to provide environmentally friendly and safe solutions. This is a significant competitive advantage in specific industrial sectors.
- Providing a heatstroke meter compliant with JIS B 7922:2023 Class 2 in response to the June 2025 revision of industrial safety and health regulations proves the company's quick adaptability to market changes and regulatory compliance capabilities.Providing a heatstroke meter compliant with JIS B 7922:2023 Class 2 in response to the June 2025 revision of industrial safety and health regulations proves the company's quick adaptability to market changes and regulatory compliance capabilities.
- All products are manufactured in the company's own factories in Japan, ensuring consistent high-quality products through a stringent quality control system. This contributes to increased customer satisfaction and product reliability.All products are manufactured in the company's own factories in Japan, ensuring consistent high-quality products through a stringent quality control system. This contributes to increased customer satisfaction and product reliability.
- Target Industries
- Research and laboratory sectorsResearch and laboratory sectors
- Industrial sites (especially environments with mercury use restrictions)Industrial sites (especially environments with mercury use restrictions)
- Occupational safety and health management fieldsOccupational safety and health management fields
- National metrological standards and calibration institutionsNational metrological standards and calibration institutions
- Major Markets
- JapanJapan
- Certifications/Patents
- JCSS Calibration Support (Calibration services based on Japanese Measurement Law)JCSS Calibration Support (Calibration services based on Japanese Measurement Law)
- JIS B 7922:2023 Class 2 Compliant (for Magnet-attached Black Globe Type Heatstroke Meter)JIS B 7922:2023 Class 2 Compliant (for Magnet-attached Black Globe Type Heatstroke Meter)
Introduction
Location
Japan, 〒145-0066 Tokyo, Ota City, Minamiyukigaya, 4-chōme−3−１９ 東亜ビル
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