Alcoholmeters; Hydrometers; Hygrometers; Refractometers; Acid hydrometers; Acidity analysers; Candy thermometers; Digital pH meters; Electronic-based instruments for measuring environmental parameters including humidity, mold, bacteria, air quality and water quality; Electronic weighing scales for kitchen use; Gas testing instruments; Laser rangefinders; Temperature sensors; Tool measuring instruments; Water testing instrumentation for monitoring and detecting contamination