Dwyer Instruments, Inc.
Michigan City, IN 46360
Miniature Vacuum Switch suits OEM applications.
Adjustable Series MVS protects against false actuation from shock and vibration. Each unit has 10 million-cycle life expectancy and operating temperature range of 40 to 150Ã-
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Brass Flow Switches are explosion-proof.
Series P1 detects excessive or insufficient flow rates. Piston magnetically actuates hermetically sealed, SPDT 20 VA reed switch. Preset actuation points range from 0.10-1.5 gpm for liquid flow. Each unit is composed of brass housing, polysulfone piston, 316 SS spring, and VitonÃ-® O-ring. Switches feature temperature range of -20 to 225Ã-
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Flow Switch handles in-line pressures to 1500 psi.
Compact Series P8 High-Pressure Brass Flow Switch utilizes 100 micron filtration, and comes in 5 models offering set point ranges from 0.25-2.5 gpm for water-based liquid flow. Each unit is composed of brass housing, PPS composite piston, 316 SS spring and fluorocarbon O-ring. Switch has electrical connection of 22 AWG, 24 in. polymeric leads, and process connection of 3/8 in. male NPT.
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Series 682 withstands environmental effects such as shock, vibration, extreme temperature, and EMI/RFI. Enclosed in welded stainless steel housing, electronics and capacitive sensor meet NEMA 4 protection ratings. Units feature external zero and span adjustments and reverse polarity protection. Temperature range is -4 to 176Ã-
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Transmitters monitor air flow.
Series 641 uses heated mass-flow sensor that allows for precise velocity measurements at various flow rates and temperatures. Units have adjustable span and digital filter for signal damping. Each has 16 field-selectable ranges from 0-250 to 15,000 fpm. Optional LED provides local indication of air flow. Applications include exhaust stack flow monitoring, air control in drying processes, HVAC air...
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Current to Pressure Transducer suits control applications.
Series IP converts current input signal to linearly proportional pneumatic output pressure. Product incorporates built-in volume booster, field reversibility, and flexible zero and span adjustments. NEMA 4X enclosure allows unit to be used in splashdown and outdoor applications. Unit offers Ã-¼ in. female NPT pressure connections, Ã-½ in. electrical connections, 4-20 mA input signal, and...
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Pressure Transmitter meets 3A sanitary standards.
Series 681 incorporates no liquid fill diaphragm and 2 in. Tri-Clover sanitary pressure fitting. Fully sealed unit is housed in 304 stainless steel to withstands high-pressure washdown. With wetted parts composed of 316L stainless steel, product has 2-wire, 4-20 mA output and supply voltage of 9-30 Vdc. Unit offers accuracy of Ã-
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Intrinsically Safe Relay offers low power switching.
Model SSR-15 is completely encapsulated in polysulfone housing and sealed with epoxy, making it impervious to dust, moisture, and foreign material. Operating and load voltage range from 105-125 Vac, and maximum load current is 5 A. Normally open, SPDT relay features temperature range of -40 to +120Ã-
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Handheld Meter measures toxic carbon monoxide.
Using one button, Model 1209-1 automatically calibrates at power on and reads CO levels from 0-2000 ppm in increments of 1 ppm. Equipped with LCD, unit has temperature limit range from 32 to 140Ã-
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Continuous Level Transmitters are customized for application.
Series CLT provides up-to-the-minute tank level monitoring. Units feature series of staggered reed switches. As float moves with liquid level, magnet in float closes reed switches in sequence. Floats are 316SS or Buna-N, and mounting and stem materials are 316SS or brass. Transmitters are offered in lengths up to 72 in. with 4-20mA or proportional voltage output. Applications include food and...
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