Turbidity meters in the nature of scientific measuring instruments; meters and detectors for measuring and monitoring the transmittance and the color of process liquids, namely, colorimeters and spectrophotometers; meters and detectors for measuring and monitoring the level and the flow of process liquids, namely, flow meters and sensors; meters and detectors for measuring and monitoring the level and the flow of process liquids, namely meters and sensors for the measurement and detection of ...

remote monitoring and control of buildings, facilities and electronic components thereof, namely, computer networks; security systems and HVAC systems; remote video and audio surveyance; and consulting and design services related thereto

METERS AND DETECTORS FOR MEASURING AND MONITORING THE TRANSMITTANCE AND THE COLOR OF PROCESS LIQUIDS: METERS AND DETECTORS FOR MEASURING AND MONITORING THE PH (ACID OR BASE CONDITION), THE ORP (OXIDE-REDUCTION POTENTIAL), AND THE PIOH (SPECIFIC ION CONCENTRATION) OF PROCESS LIQUIDS; AND METERS AND DETECTORS FOR MEASURING AND MONITORING THE LEVEL AND THE FLOW OF PROCESS LIQUIDS

TURBIDIMETERS