Dwyer Instruments, Inc.
Michigan City, IN 46360

Flush Diaphragm Transmitter suits highly cyclical conditions.
With flush sensor design, Series FDT prevents potential inaccuracies due to build-up or blockage, which is typically found in non-flush transmitter sensors. Units have non-oil filled sensor element that provides resistance to temperature fluctuations. Manufactured from solid piece of steel, sensing diaphragm can withstand most abrasive/cyclical applications.
Read More »Timer Controller has universal power supply.
Available in 4, 6, 10, 22, or 32 channels with field-selectable last channel output, Series DCT600 Dust Collector Timer Controller is suited for dust collection as well as pneumatic conveying control systems. Relying on one timer board for on demand or continuous cleaning applications, it accepts 85-270 Vac power. Circuitry synchronizes on-time pulse to power line to achieve pulse stability of -
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Check Valves feature straight-through flow design.
Operating without adjustments or settings, FPV Series Plastic Flap Check Valves are suitable for applications where backflow could potentially cause damage to pumps, filters, or process equipment. Line pressure moves plastic flap off elastomer seat, opening valve, and when inlet flow stops, back pressure moves flap back onto seat, stopping flow. Available in 4, 6, and 8 in. sizes with EPDM...
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Infrared Thermometer supports K-type thermocouple probes.
Equipped with laser, dual-function Model IR4 features 20:1 distance to spot size and temperature range of -76 to 1,400-
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Check Valves suit chemical and wastewater applications.
Available in -½-4 in. sizes, Series BCV thermoplastic ball check valves prevent reversal of flow in piping systems and are suited for applications where backflow could potentially cause damage to pumps, filters, or process equipment. Available with PVC or CPVC plastic bodies and EPDM or FPM O-rings, valves feature true union design, and will never jam or stick from rust or corrosion. They...
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Capacitive Level Transmitter suits powder, bulk, or liquids.
Using impulse RF admittance measurement, Model CRF2 senses capacitance changes resulting from height of material in tank between probe and tank wall. Unit comes with rigid or flexible probe, depending on application installation need and probe length desired. Featuring push button calibration of zero and span, Model CRF2 is suited for level indication in difficult applications, such as sludge,...
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Transmitter is suited for wastewater, sludge, and slurries.
Featuring 316 SS diaphragm that is non-clogging and damage resistant to floating solids, Model PBLTX is designed to measure height of liquid above its position in tank, sump, or pit. It is UL approved intrinsically safe for wastewater applications that demand this rating per local codes and regulations. Standoff plate enables unit to be dropped to bottom of tank at 0.25% accuracy. Transmitter is...
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Tilt Switch Probes sense presence or absence of material.
Featuring airtight, dust-tight, waterproof design, Series LTS is designed for use where bulk material to be sensed is exposed or open. Units contain SPST, normally closed switch and feature probe activation angle of 25-
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Direct-Contact Speed Switch protects rotating equipment.
Designed to include all mechanical and electronic components in one housing, Series DSS produces output at predetermined speed, which may be under-speed, over-speed, or zero-speed. Unit combines heavy-duty construction with solid-state electronics and photo-electric technology. Operating in clockwise or counterclockwise direction and mounting in any position, DSS Series protects belt conveyors,...
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