Trilithic provides both electromechanical (relay activated) switches and pin diode switches. Both product lines provide excellent value and performance for RF, video, and data routing applications. Standard configurations are SPDT (A/B), SP4T, SP8T and SP16T with a variety of connectors, operating voltages, and control options available, including TTL. (read more)

Automation Products, Inc. manufactures liquid level switches to match your specifications. (read more)

Sierra's Innova-Switch™ flow and level switches represent the state-of-the-art in gaseous and liquid flow switching or liquid level control. The Innova-Switch is easy to install and adjust, giving reliable, low maintenance performance in the most demanding applications. (read more)

The V-Tork is a point level switch for liquids, thick and turbulent fluids, as well as corrosive mediums and pastes (depending on viscosity). It is ideal for multiple-purpose processing where the probes must be compatible with a variety of process materials and process conditions. (read more)

Vibration limit switch for liquids, maintenance-free alternative to float switches. The Liquiphant T is a compact level switch that is ideal in places where access is difficult or space is limited. (read more)

Ahlstrom, a leader in high performance fiber-based materials, introduces a new nonwoven product, Disruptor™ PAC, for the filtration of water. The nanoalumina fiber technology used in the product is licensed exclusively from the Argonide Corporation. (read more)

Automated Process Control: Complete Systems for Monitoring and Controlling Liquids (read more)

Madison Company Optical single-point liquid level detection switches are best used in non-coating liquids. Highly reliable and compact, these switches digitally output the presence or absence of liquid. The sensor provides highly reliable and repeatable performance in compact designs with no moving parts. Click here for an overview of the entire Optical switch line. (read more)

The V-Tork tuning fork is a point level switch that is designed to detect low or high level of liquids (such as water & oil), thick & turbulent fluids, as well as corrosive mediums & pastes. Due to its simple and rugged control system, the V-Tork vibrating switch is virtually unaffected by any chemical or physical properties of the mediums and can be installed at any angle of the pipe or tank. (read more)

Sitron's line of Thermal Dispersion Flow Switches are compact switches with no moving parts, that control the flow of liquid and gas in pipes and ducts. They can also be used for single point level detection for liquids. Sitron's flow switches and transmitters are available in different models that provide for different power supply, output and connection requirements. (read more)