General purpose variable speed drives. Industrial, Commercial and Municipal applications Power Supplies, Din-Rail Mounted Terminals, Fuse Holders and Breakers Electronic Flow Switches, Liquid Level Switches and Temperature Switches Flowmeters, positive displacement and turbine Combustion & Environmental, Safety Monitors and Indoor Air Quality Products Flame Detectors, Gas Detectors and Complete systems Gas Analytical Instrumentation, Oxygen, NO/NOX, Hydrocarbon, Flue Gas and Fan/Damper Drives Liquid Analytical Instrumentation pH, Conductivity, ORP, Dissolved Oxygen Manufacturer of water quality instruments. Hanna Instruments is well known as an innovator with common sense solutions to water testing and analysis Gyrolok Fittings, Needle Valves, Manifolds, Check Valves, Relief Valves, Panels and Flex Hose Thermoplastic Instrumentation Enclosures Kessler-Ellis Products, Flow Computers, HMI Software, Counters, Rate Meters and PLC’s True Digital On-Line Refractometers and Optical Measurement of Liquid Concentrations Industrial Lasers for Level and Safety Control Belt Scales, Coal Feeders, Volumeteric & Gravimeteric Feeders, Loss-In Weight Feeders and Controllers Moisture Analytical Instrumentation for Industrial Liquids, Freon, Chlorine and High Purity Gases Signal Conditioners, Alarms, Isolators, Pneumatic Converters, Indicators, Integrators and Controllers Custom Odorization Systems for Petroleum and Natural Gas Single and Multi-Gas Detectors, H2S, CO, O2, CL2, HCN and LEL Monitors Load Cells, Load Cell Weighing Assemblies and Related Weighing Accessories Remanufactured Control Valves and Instrumentation --- Fisher, Rosemount, Foxboro, Bailey, Yokogowa and others... Formerly TN and Kay-Ray/Sensall, Nuclear Density,Level Sensors, Capacitance and Ultrasonic Level Sensors Metering Pumps pH/ORP, Conductivity Sensors, Boiler and Cooling Tower Controls Control Valves, Instrumentation Equipment and Panels, Sampling Systems for Analyzers, Gas, Liquid, Water, and Oil Insertion and Sampling Devices, Bite Checkers Westronics supplies paper and paperless data recorders and multiple-host monitoring and recording systems.