About Us

Leading Accurate Temperature Measurement into the future

Founded in 1955, YAMARI specializes in manufacturing temperature sensors that detect precise temperature readings for our clients in extreme situations like intense pressure, heavy vibrations or high-flow velocities. Our expertise also allows us to achieve accurate temperature readings in the presence of very corrosive gases or liquids. With more than 5 decades of experience in designing and manufacturing temperature sensors and Thermowells, our products are able to consistently measure exact temperature data for highly demanding sectors such as power station, petrochemicals, oil& gas, semi-conductors, iron and steel, cement, rubber, food & pharma etc. As on today YAMARI has expanded into the reaches of the globe, with factories and offices in Singapore, Korea and India, representative offices in China, Taiwan and many other countries. Our company is also certified under ISO 9001, ISO 14001 & ISO 18001 and has been pursuing green procurement standards for preventing pollution in our global environment.

YAMARI envisages to be the best designer, manufacturer and supplier of temperature sensors for all industrial applications by providing certified quality products with durable and reliable design at competitive prices world-wide.

Approvals & Certifications

To ensure a high level of consistency and performance of the most accurate nature, we put our products and services through a variety of checks and approvals. More often than not, these checks comply with internationally recognized Approval Bodies of Japan, USA, Europe, Korea, China and Russia, which implies that our thermocouples and resistance temperature detectors meet the safety and quality requirements of different classifications of hazardous locations.

  • FM Approvals
  • Explosion Proof
  • Ex NEPSI
  • Gostr
  • IECEx
  • LRQA ISO 9001

Project Management


We have a depth of experience in managing and supplying packages to Engineering and Procurement Contractors (EPC) and major clients. All our projects are handled by specific project teams within YAMARI, supported by dedicated personnel and facilities.

Dedicated Resources

We have a fully computerized project office to capture every detail of each project. Our personnel regularly visit our manufacturers to establish a list of key contacts for various disciplines such as production, documentation and logistics.