HFCCYBGS

Oscillographs; Photometers; Refractometers; Viscosimeters; Electronic detectors for observing and measuring the infrared spectrum, namely, infrared detectors; Measuring instrumentation and apparatus, namely, digitizers; Monitoring devices for the aquaculture industry used to monitor dissolved oxygen and temperature; Optical apparatus and instruments, namely, optical ports for underwater photography, dome ports for underwater photography, wet diopters, adapter lenses for underwater photography; Pressure measuring apparatus; Technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids; Gas detectors for detecting the presence of gas