Electrical and electronic test and measurement instruments, digital multimeters, clamp meters, power-quality analyzers, infrared thermometers, digital oscilloscopes, and environmental meters, are the business of Metravi Instruments Pvt. Ltd., serving defense, telecommunications, power-generation, railway, and chemical customers. Founded in 1970, the ISO 9001:2015-certified company is known for high-quality, accurate, durable solutions and operates in more than 50 countries, with strength in India and abroad. Its manufacturing and R&D facilities in Kolkata support inventive product development.