Dwyer Instruments, Inc.

Carbon Monoxide Monitor warns users with flashing beacon.
Communication Systems & Equipment

Carbon Monoxide Monitor warns users with flashing beacon.

Series 450 measures toxic carbon monoxide gas levels from 0-2000 ppm in ambient air. Sensor maintains reading accuracy of 3% with response time of less than 30 sec. Beacon of light flashes in correspondence to level of CO concentration detected, along with audible alarm, instantly alerting user. Raised keypads allow simple access to functions such as zeroing and instrument calibration, peak...

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Globe Flow Switch suits oil and water service.
Electrical Equipment & Systems

Globe Flow Switch suits oil and water service.

Series G9 provides accurate flow detection in oil and water applications with ±1% repeatability. Constructed of non-corrosive materials, series resists shock and vibration and utilizes shuttle by-pass vane inside housing. Flow settings may be changed via flat blade screwdriver, without disassembly. Each switch is composed of bronze housing, Delrin® shuttle, 316SS spring, and Viton® O-ring....

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Level Transmitter monitors ground water and wells.
Electrical Equipment & Systems

Level Transmitter monitors ground water and wells.

Offered with lightning and power-surge protection, submersible Series SBLT measures height of liquid above its position in tank, referenced to atmospheric pressure. Transmitter consists of bonded-foil, strain-gauge sensing element encased in all-welded, leak-proof, 316SS housing, with PVC bullet polyurethane cable. Ventilation tube in cable compensates for changes in atmospheric pressure above...

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Submersible Level Transmitter suits harsh applications.
Electrical Equipment & Systems

Submersible Level Transmitter suits harsh applications.

Series PBLT, suited for wastewater and slurry applications, measures height of liquid above its position in tank referenced to atmospheric pressure. Transmitter consists of bonded foil, strain gauge sensing element encased in intrinsically safe, 316SS housing with Tefzel cable. Non-clogging, 316SS diaphragm seal with protective cage is damage-resistant to floating solids, and product offers...

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Pressure Gage has stainless steel diaphragm seal.
Test & Measurement

Pressure Gage has stainless steel diaphragm seal.

Series 7000B Spirahelic® Pressure Gage with Diaphragm Seal employs all 316 stainless steel wetted parts for corrosive media service. Manufactured for severe service applications, product is suited for systems with high cycle rates, environments with continuous vibration or shock, and processes with problematic pressure surges and spikes. Unit includes all benefits of standard Spirahelic®...

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Pump Controller includes built-in alternation.
Agricultural & Farming Products

Pump Controller includes built-in alternation.

Series MPC controls, monitors, and protects pump operations. It provides 1 or 2 pump control with process input retransmission and pump run time indication in standard -¼ DIN package. Monitoring features include pump over temperature protection and seal failure indication. Test system function simulates process input to ensure pumps are operating or to test programming functions. Controller...

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Globe Valve Switch has shuttle by-pass vane.
Electrical Equipment & Systems

Globe Valve Switch has shuttle by-pass vane.

Series GVS Globe Valve Switch is for detecting improper flow rates in high volume lubrication, cooling, or process systems in water or oil applications. Unit consists of bronze housing and bonnet, Teflon® shuttle, and 316 SS spring. Unit has temperature limit of -20 to 200°F and pressure limit of 400 psig at 100°F. Three models of switch are GVS-111 with range of 1-6 gpm, GVS-112 with range of...

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Flow Switch is FDA and NSF compliant.
Electrical Equipment & Systems

Flow Switch is FDA and NSF compliant.

Piston type Series PS features hermetically sealed SPST magnetic reed switch. It is composed of Noryl® housing and piston, and 316 SS spring and stop pin. Temperature range is 0-212°F, and pressure limits are 150 psi at 70°F and 50 psi at 212°F. Actuation points are preset from 0.05-1.0 gpm for water and 25 cfh to 5 cfm for air. Switch is suitable for air and pure water applications, filter...

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Pressure Switch suits demanding OEM applications.
Electrical Equipment & Systems

Pressure Switch suits demanding OEM applications.

Series A2 Subminiature Pressure Switch, compatible with both liquids and gases, has pressure limit of 500 psi, temperature range of -40 to 250°F, and repeatability of ±5% of highest set point. Each unit features SPST switch type and 1/8 in. process connection. Spade terminals and flying leads are available, with normally open or normally closed switch. Spade terminals can be adjusted in field...

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Miniature Vacuum Switch suits OEM applications.
Electrical Equipment & Systems

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 150°F. Series, with polycarbonate housing and polyurethane diaphragm, offers several models with set points from 3-330 in. wc. Switch has electrical connections composed of silver with brass terminals, for use with quick...

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