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Switches • Level Switches • Liquid Level Switches • Ultrasonic Liquid Level Switches

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  • Cole-Parmer

    Cole-Parmer offers EchoSwitch II multi-point ultra-sonic level switches for waste sump, pump lift station, and day tank applications. These switches have a simple/push-button configuration, pump alternations, integrated timers for valve/pump delays, and simplex, duplex, or triplex pump options. They are available in sizes ranging from 2.5 to 7.5m, and they feature 10cm miniature dead bands.

  • Gems Sensors & Controls

    Gems Sensors & Controls offers single and multi-point liquid level switches. Gems ULS Series ultrasonic switches can handle pressures to 1000 PSI, lengths to 121", and they can be top, side, or bottom mounted. Model UCL-510 multi-point level sensors feature 2" dead bands, ranges up to 49", 1" NPT mounting options, and no moving parts. These sensors have outputs ranging from 4 to 20 mA, 4 relays, and the following corrosive/dirty applications: slurries, paints, inks, acids, beverage, food, chemical feed, control automation, waste water, water, etc.

  • Omega Engineering, Inc.

    Omega Engineering, Inc. offers ultrasonic liquid level switches in the following configurations: LVUN-600 Series non-ivasive, LVUC 11/12 Series cryogenic temperature, LVU A710 Series compact solid state, LVU A700 Series solid state, and LVU 203/260 Series. LVUC11 and LVUC12 Series liquid level switches require no calibration/special installation requirements, they allow cryogenic temperatures down to -300°F, and they are constructed with 1000:1 wet-to-dry ratios. These switches feature operating pressures up to 1000 PSIG, input powers up to 115 VAC, and they are mounted in cast-aluminum, watertight, explosion-proof enclosures.

  • Dwyer Instruments, Inc.

    Dwyer Instruments, Inc. offers Series MULS miniature ultrasonic level and Series GS ultrasonic gap switches. Series MULS miniature ultrasonic level switches have repeatability ratings less than 0.08", 0.5 second delays, and applications for tanks, storage bins, beverages in vessels, acids, chemical lubricants, water etc. These switches have no mechanical or moving parts, and they can be mounted within 15 degrees of horizontal (without additional calibration required).

  • Siemens

    Siemens offers Pointek ULS200 ultrasonic liquid level switches for chemical, plugged chute detection, fluid materials, slurries, and liquid applications. These switches have process pressures up to 7.25 PSIG, process temperatures ranging from -40 to 140°F, liquid ranges from 0.8 to 16 ft, and solids ranges from 0.8 to 10 ft. They are easily two-button programmed, enclosed in aluminum or polycarbonate materials, integral temperature compensated, and they feature 2-switch outputs for low-low, low, high, and high-high level alarms.

  • Innovative Solutions, LLC

    Innovative Solutions LLC offers ultrasonic level switches. These switches can be vertically or horizontally installed, they require minimal space, no maintenance, no moving parts, and they are constructed in an all 316 stainless steel easy-to-clean construction. Switches have maximum pressures up to 1500 PSIG, process temperatures ranging from -40 to +185°F, input voltages ranging from 10 to 35 VDC, and 0.078" repeatability ratings.

  • Transducers Direct

    Transducers Direct offers TDLS02 Series ultrasonic liquid level switches for the following applications: pipe lines, sewage systems, boiler water cutoff, hydraulic supply lines, compressors, storage tanks, and pump protection. These switches are pre-wired, ready to use, and constructed from a rugged, one-piece, molded body. Switches feature input power ratings ranging from 5 to 30 VDC, leakage currents less than 50 uA, temperature ranges from -20 to +160°F, and pressure ratings up to 1000 PSIG.

  • Grainger Industrial Supply

    Grainger Industrial Supply offers ultrasonic liquid level switches. Gems Sensors Model 219005 liquid level switches have wet sink outputs, accuracies up to 1/16", maximum temperatures up to 158°, sensor diameters ranging from 1/2" to 1", and UL508 and EN61000 agency compliance. Switches are constructed from black over-mold, PC, ABS blend, Valox 325, HDPE, and polystyrene materials. They adhere to the outside of plastic tanks, and they are unaffected by transparency or plastic color.

  • Hitech Technologies, Inc.

    Hitech Technologies, Inc. offers gap SuperSwitch ultrasonic liquid level switches in a wide range of materials for handling corrosive and/or aggressive products. Model LL-200 miniature/multi-point liquid point level switches have the following applications: distillation processing, sump pump control, auto fill/empty recovery systems, and rail/truck car loading/unloading. These switches feature integral explosion-proof housings, miniature encapsulated electronics, 10 amp outputs, and machine bodies constructed from 316 stainless steel materials.