When temperature matters™ is more than a slogan at National Basic Sensor; we are dedicated to being the industries source for thermodynamic expertise and temperature measurement products.  Since our founder built his first thermocouple in the garage of his Philadelphia row house in the early 1900’s we have strived to achieve the utmost in customer satisfaction.

We are an ISO 9001:2015 certified company.

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National Basic Sensor – When Temperature Matters™