HACH

Chemicals and chemical compositions for laboratory and field analysis of water quality; chemicals, chemical compositions, and chemical reagents for non-medical purposes for use in the analyses of fluids; chemical reagents, namely, reagent strip chemical test paper for determining chemical constituents and parameters of pool and spa water; chemical reagents for non-medical purposes, namely, acid solutions for adding to a liquid sample containing fluoride for use in the calibration of distillation apparatus; test kits comprised of chemical reagents for non-medical purposes for use for testing and analyzing water and other aqueous solutions; ampules of premixed, precalibrated, standard non-medical chemical reagents for analytical laboratory use; chemical reagents in vacuum vials for non-medical use in chemical analysis of fluids, such as water or solvents; reagent strip chemical test paper for testing of various analyses in, and chemical parameters of, soils; chemical reagents for use in analytical determination of water hardness; chemical reagents for use in non-medical analytical determination of amount of aluminum, barium, boron, cadmium, chromates, cyanide, hydrazine, iron, lead, lignin, molybdenum, nitrates, nitrites, phosphates, sulfur, tannin, and zinc present in a liquid sample; reagent strip chemical test paper for testing of coolant; chemical analysis test kits for laboratory use in the testing the quality of water, sterilants, and disinfectants used in renal dialysis; environmental quality control fluid samples for calculating standards used for standardizing turbidity instruments used in testing and verifying the quality of water

Apparatus for laboratory and commercial use intended primarily for testing and analyzing the quality of water and other aqueous solutions, namely, automatic liquid analyzers, turbidimeters, colorimeters, titrators, and labware in the nature of balances for weighing liquids, glassware for testing liquids in a laboratory, and electrodes; apparatus for laboratory and commercial use intended primarily for testing and analyzing the quality of water and other aqueous solutions, namely, automatic titrators and samplers for collecting and analyzing samples of water and other aqueous solutions; sensors and probes for the measurement of pH, oxidation-reduction potential, conductivity, turbidity, dissolved oxygen, ozone, residual chlorine, liquid level, fluid flow, fluid color, and associated analytical parameters, the analyzers used therewith, and electrical controllers for controlling the above-mentioned parameters, all used in connection with drinking water and waste water treatment and the control of industrial liquid processes; liquid flow measuring instruments, namely, ultrasonic and electronic meters for measuring liquid flow; lift station flowmeter for measuring liquid flow; electrical flowmeter for measuring liquid fluid flow; laboratory apparatuses, namely, flasks, electrodes, and non-medical ultrasound probes; pipettes for laboratory use in collecting and dispensing a liquid sample; measuring cup featuring a color scale on one side wall; measuring and analytical apparatus, detectors, monitors and instruments in the nature of liquid analyzers for field measurement of substances in fluids; measuring instruments in the nature of liquid analyzers for measuring dissolved gas in water, namely, oxygen meters, and ammonia meters; liquid analyzers for measuring dissolved solids in water, namely, nitrate meters, phosphate meters, and meters for plant-nutritive salts; electric sensors and oxygen regulators for chemical and biological process control; transmitters of electric and/or electronic signals; measuring and scientific apparatus, namely, non-medical meters for measuring temperature, ion measuring and generating instrumentation in the nature of automatic ion-exchange chromatography apparatus for laboratory use, and liquid flow rate indicators and meters; indicating and measuring devices for determining the chemical composition of liquids, namely, liquid analyzers; scientific instruments, namely, pH, pH/mV, and pH/ISE meters and electrodes used therewith to determine the presence of ions in liquid chemical analysis; scientific apparatus for use with membrane filtration, namely, water filter controllers and computer software for detecting and measuring water quality; scientific instruments, namely, electronic analyzers for measuring, testing and detecting contaminants and environmental pollutants; scientific instruments for analysis, namely, photometric monitoring, detection and recording apparatus in the nature of photometers; digital meters that measure the chemical constituents and parameters of pool and spa water for pH, alkalinity, and free and total chlorine levels by reading reagent strip chemical test paper; hand-held analytical instruments, namely, a hand-held liquid analyzer for measuring ph, temperature, conductivity, dissolved oxygen and/or the presence of specific ions for scientific research use; water analyzers and gas detectors for detecting the presence of gas; turbidity measurement instrumentation systems consisting of turbidity analyzers and sensors for indicating and transmitting turbidity readings in liquid media; electrical apparatus comprised of sensors and power supplies for testing water quality; electromechanical instrument in the nature of a liquid analyzer that tests for the presence of free or total chlorine, chlorite, sulfite, or chlorine dioxide and quantifies the amount; electrical instruments in the nature of liquid analyzers used primarily for laboratory and field measurement, recordation, monitorization and data storage of water quality parameters; electronic instrumentation in the nature of liquid analyzers for monitoring basic water quality parameters, namely, temperature, pH, conductivity, salinity, dissolved oxygen, depth, water level, oxidation reduction potential (ORP), turbidity, nutrients, photosynthetically active radiation (PAR), metals and organic materials; electronic warning systems comprised of event detection instrumentation, namely, automatic liquid analyzers, turbidimeters, probes for analyzing liquids, thermometers and pressure sensors, diagnostic software for analyzing water and other aqueous solutions, and sound alarms; test kits comprised of portable analyzers, LCD monitors, probes, and samplers for sampling, testing, analyzing and monitoring the presence of contaminants to ensure the safety of water and other aqueous solutions; test kits comprising filter paper, spoon, bottle, color viewing tube, chemical reagents, flask, and instruction manuals, for use in analytical determination of amount of nitrogen present in soil; test kits comprising chemical reagents, graduated cylinders and eyedroppers for use in analytical determination of amount of lead present in water; biochemical oxidation measuring apparatus for testing biochemical oxygen demand, namely, laboratory glassware in the nature of incubation bottles, and temperature controller for biochemical oxygen demand incubation; environmental monitoring and recording units comprised of electric sensors, computer hardware and hard disk drives, all for use in water quality applications; on-line connected instrument consisting of computer hardware for transmission and recording of dissolved oxygen, pH, specific conductance, redox, and pressure, for use in pollution studies of industrial wastewaters; computers, computer peripherals and computer programs in the field of computer-aided process management for use in monitoring, analyzing and controlling contamination in ultrapure water and pure chemical applications in the semiconductor, nuclear power and biotechnology industries; and scientific instruments in the nature of computer hardware and liquid analyzers used for monitoring, analyzing and controlling contamination in ultrapure water and pure chemical applications in the semiconductor, nuclear power and biotechnology industries; computer assisted process management systems and instruments comprising microprocessor based process analytical computers used for monitoring, analyzing and controlling contamination in clean room, ultrapure water and pure chemical applications in the semiconductor, nuclear power and biotechnology industries; computer software for measuring liquid flow; computer operating software for use in connection with fluid flowmeters; computer software for receiving data used to create reports and to manage operations in the field of water information management; computer software for use in programming, data collection, data storage, data analysis and report generation of fluid flow meters and wastewater sampler products; water analysis software using a proprietary algorithm to identify contamination occurrences and classify contaminants; computer software used for analysis of pool and spa water; computer software for use in programming, data collection, data storage, data analysis and report generation of open channel flow meters and wastewater sampler products; computer software for maintenance management, namely, scheduling, and tracking preventative maintenance, tasks and emergency repairs in industrial plants