Laboratory equipment, namely, optical sensor

Apparatus, instruments and cables for conveying, distributing, transforming, storing, regulating or controlling electric current, namely, electrical cables [ and transformers, batteries, rheostats and ] junction boxes; monitoring instruments, indicators and controllers, namely, gauges, and sensors for measuring, testing and checking the temperature, pressure, quantity, composition and concentration of gas and liquid, and for the purpose of compensation of temperature-dependent and pressure-de...