Dwyer Instruments, Inc. offers Model DPL110 conductive dual point level switches for heavy-bodied liquid, industrial slurry, or semi-solid liquid applications. These switches contain no moving parts, they utilize conductivity technology, they are DIN rail-mountable, and allow up to 72" probes.

Omega Engineering, Inc. offers conductivity liquid level switches in a variety of configurations, including: economical, level track mounting, intrusive RF capacitance, water leak alarm, long range wireless, etc. LVC-100-R Series intrusive RF capacitance level switches are NEMA-6 (IP68) submersible, wet/dry mountable in any direction, and accurate/reliable due to their high frequency (RF) operations. These switches have 1 AMP SPST standard relays, a normally open/closed construction, and temperature ratings ranging from -40 to 194°F.

AMETEK Drexelbrook offers 6012 Series conductive liquid level switches for applications involving pump control, high/low level indication, and stop fill on storage vessels. These switches have operating pressures up to 2000 PSI, operating temperatures up to 450°F, up to 13 switch points, and a brass, PVC, cast iron, or 316SS construction. Switches are available with wire/rigid suspended electrodes in a wide range of pressure, temperature, and material specifications.

KOBOLD Instruments Inc. offers NEK conductive liquid level switches for aggressive, low viscosity, or dirty conductive liquid applications. These switches feature Ryton/polypropylene bodies, no moving parts, a compact design, and optional relay outputs. Switches have 3/4" NPT fittings, pressures up to 290 PSIG, temperatures up to 176°F, and 1 relay or 1 open collector contacts.

Hitech Technologies, Inc. offers conductivity liquid level switches for pump control, tank overfill, and run-dry protection applications. These switches come in high/low fail-safe modes, stainless steel wetted parts, a compact rugged construction, 18 VAC probe voltages, and NEMA 4 enclosures. They are intrinsically safe, maintenance free, easy to install, fault monitored, and DIN rail mounted.

Sitron USA, Inc. offers conductive level switches in the following configurations: Model CLF fixed rods, Model CLR removable rods, Model CLP perpendicular electrodes, and Model CLE single pendular electrode. These switches are easy to operate/install, A3 approved, low in cost, and available with flange, 316SS sanitary, or threaded connections. Switches feature a rugged construction, built-in units, removable rods, optional rod coatings, and up to five points of level control.

M.A. Selmon Company, Inc. manufactures conductive liquid level switches from the following materials: Teflon, 316 stainless steel, polypropylene, neoprene, polyolefin, titanium, and hastelloy C. These switches have no moving parts, an extremely rugged construction, up to six electrodes on a single probe, and setpoint/latching level control functions. Switches are available in rigid/suspend versions, 1-2 switch channels, pressure ratings up to 440 PSIG, and temperature limits to 300°F.

Hawk Measurement Systems offers Gladiator Conductivity point level switches for the following applications: water, waste-water, textile, sugar, semiconductor, refining, power generation, pharmaceutical, paper, paint, packaging, oil/gas, etc. Switches feature no moving parts, low voltages on probes (for operational safety), smart probe relay outputs, adjustable on/off delays, and bright visual status indications.