Parekh Platinum Limited supplies Thermocouple Wire. Parekh Platinum Limited is the supplier of chemicals, precious metals, metallurgical technologies and jewellery. Thermocouple Wire is available with high melting points, accuracy over a wide temperature range, reproducibility, resistance to corrosion and stability in calibration. Thermocouple Wire comes with a combination of Platinum and Platinum-Rhodium alloys of ultra high pure metals.