Dwyer Instruments Inc.
As a leading manufacturer in the controls and instrumentation industry, we continue to grow and serve major markets including, but not limited to HVAC, chemical, food, oil and gas, and pollution control.
- 219/879-8000
- 219/872-9057
- lit@dwyer-inst.com
- P.O. Box 373, 102 Indiana Hwy. 212
Michigan City, IN 46361
United States of America
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Product
Handheld Digital Manometer
475
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The Dwyer Series 475 Mark III Handheld Digital Manometer is ideal for field calibration, monitoring or trouble shooting HVAC systems, clean rooms or a wide range of other low pressure pneumatic systems. This handy instrument measures positive, negative or differential pressures of air and natural gases in ranges from 1 in. w.c. (0.249 kPa) to 150 psid (10.34 bar).
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Product
Digital Pressure Gage
DPGW
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The Series DPGW is the only economic digital pressure gage for liquids with the ability to select engineering units on the market. With its 1% accuracy and digital push-button zero, the DPGW is the perfect choice for digitally monitoring the pressures of air and compatible liquids and gases.
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Product
Wet/Wet Differential Pressure Transmitter
655
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The Series 655 Wet/Wet Differential Pressure Transmitter converts a positive or a positive differential pressure measurement into a standard 4-20 mA output signal. Designed for use as a wet/wet differential pressure transmitter, units can be used to measure gas or liquid pressures compatible with 316/316L stainless steel wetted parts
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Product
Floating Contact Null Switch
1640
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The unique electric switch design in the 1640 is another Dwyer Instrument, Inc. innovation. The Dwyer Model 1640 Differential Pressure Switch resembles the Series 1630 switches. The Model 1640, however, is equipped with a single pole, double throw floating contact switch (not snap acting) so it functions as a null switch.
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Product
Low Differential Pressure Switch
1900
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Our most popular series combines advanced design and precision construction to make these switches able to perform many of the tasks of larger, costlier units. Designed for air conditioning service, they also serve many fluidics, refrigeration, oven and dryer applications
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Product
In-Line IR Sensor
ILA
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10:1 Distance to Target Ratio, 32 to 932F. Dwyer Series ILA Non-Contact Sensors, measure temperatures from 32 to 932F (0 to 500C) and provide a linear 4 to 20 mA, 0 to 5 VDC or thermocouple output. The 2-wire signal is compatible with almost any indicator, controller, recorder, data logger, etc., without the need for special interfacing or signal conditioning.
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Product
Wet/Wet Differential Pressure Transmitter
647
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Monitor differential pressure in air/liquid flow systems, HVAC automation, pneumatic systems and process control with the Series 647 Wet/Wet Differential Pressure Transmitter. Units are temperature compensated and provide a 4 to 20 mA output signal which can be interfaced with chart recorders, data loggers and computerized monitoring and control systems.
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Product
Weatherproof Pressure Transmitter
682
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The Series 682 Industrial Pressure Transmitter is designed to withstand environmental effects such as shock, vibration, temperature, and EMI/RFI. The electronics and capacitive sensor are packaged in a welded stainless steel housing and meets NEMA 4 (IP65) protection ratings.
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Product
Diaphragm Seal for DA Series Pressure Switch
XTBX
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The Series XTBX is a diaphragm seal constructed of PVC and FEP making it perfect for corrosive applications that would damage metal wetted material pressure switches. The seal is available direct mounted on all model DA pressure switches with ranges under 100 psi (6.9 bar). Ideal for commercial pool/spa applications for pump shut down due to excessive vacuum.
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Product
Explosion Proof Differential Pressure Switch
1950
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Model 1950 Explosion-proof Differential Pressure Switch combines the best features of the popular Dwyer Series 1900 Pressure Switch with an integral explosion-proof and weatherproof housing, making it an exceptional value for either application. It is CE, UL and CSA listed
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Product
DIN Temperature/Process Controller
Series 32B
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Universal Input, Dual Temperature Output Control, RS-485 Communication
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Product
Diaphragm Pressure Switch
CS & CD
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Series CS and CD combine advanced design and precision construction in a small size. Unit is ideal for instrument panels, small compressors and general industrial applications. Visible set point and easy to wire SPDT snap switch reduce installation time. Operates in any position and is vibration resistant.
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Product
Photohelic Pressure Switch Gage
A3000
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Photohelic Switch/Gages function as versatile, highly repeatable pressure switches combined with a precise pressure gage employing the time-proven Magnehelic gage design. The Photohelic switch/gage measures and controls positive, negative or differential pressures of air and compatible gases
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Product
Differential Pressure Transmitter
636D
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The Series 636D Differential Pressure Transmitter can be used for measuring pressures of liquids, gases & vapors. All available ranges have an excellent 0.5% F.S. accuracy with a 4-20 mA Output standard or optional 1-5 VDC output.
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Product
Digital Temperature Switch
TCS
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Monitor and control temperature in heating and cooling applications with the Series TCS Thermocouple Switch. The Series TCS offers a wide temperature range, two selectable alarm set, and an internal buzzer indicating alarm condition or error















