Dwyer Instruments Inc.
Since the company was founded in 1931, customers have come to recognize Dwyer Instruments to stand for quality, reliability, and readily available low cost products. 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. New applications are discovered daily through a cooperative effort between Dwyer and its customers. It has been these relationships with our customers that allow us to continue to develop market demand products and further our success from leading established brand names such as the Magnehelic® pressure gages, Photohelic® switch/gages, Rate Master® flowmeters, and Hi-Flow® valves. In addition to new product development,
- 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
Diaphragm Seal for DA Series Pressure Switch
XTBX
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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Handheld Digital Manometer
477AV
Measures Pressure, Flow and Velocity; ±0.5% Accuracy. The SERIES 477AV Handheld Digital Manometer is now available with pressure, flow, and velocity measurements along with a number of other convenient features. The built-in air velocity and flow calculations provide accuracy and conserve time and error associated with manual calculations. Also featured on this unit are adjustable zero and span values for calibrating in the field, as well as a damping feature to compensate for the fluctuating of readings.
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Temperature Controller
8C
The Series 8C Temperature Controller offers easy-to-use programming menus designed for quick installation. The unit is designed for direct or reverse acting (cooling or heating) control. The Series 8C can be programmed for simple ON/OFF or more complex PID control functions.
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product
Flex-Tube U-Tube Manometer
1222
These inexpensive manometers measure positive, negative and differential pressures. Dwyer Flex-Tube U-Tube Manometers combine the inherent accuracy of the simple "U" Tube with the durability of tough, long-lasting plastic construction. Columns are of .375" O.D. flexible and shatter proof clear butyrate tubing.
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product
Thermocouple Calibrator
CA10
Dual function CA10 Thermocouple Calibrator can be used to source Type K thermocouple output values or measure Type K thermocouples. Quickly select output value using the rotary switch with coarse and fine adjustments.
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product
Push-Button Temperature Transmitter
659
Series 659 Push-Button Temperature Transmitters accept thermocouple (J, K, T), RTD (Pt100Ω) or thermistor input and provide a linearized 4 to 20 mA output. The transmitter is quickly ranged and calibrated by using a single on-board switch
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product
Single and Dual Differential Pressure Switch
1620
Our old faithful switch design is still best where highest precision combined with diaphragm sealed leak proof construction and mounting simplicity are required. Model 1626 and 1627 differential pressure switches are identical in design and construction except that Model 1626 has a single electric switch and Model 1627 has dual electric switches.
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product
Diaphragm Operated Pressure Switch
SA1100
Extremely rugged construction assures excellent reliability in chemical, petroleum and industrial plants. New design also provides burst pressure protection to 3000 psi (206 bar). The rolling diaphragm design maintains a constant effective area to minimize friction.
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product
Handheld Digital Manometer
475
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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Diaphragm Operated Pressure Switch
AP
Reliable and convenient, series AP pressure switch is a compact low cost switch for instrument air or other low pressure applications. Visible set point and external adjustment add convenience.
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product
Digital Sound Meter
SM-100
Model SM-100 Digital Sound Meter is ideal for measuring noise levels from 30 to 130 dB with accuracy of ±1.5 dB. Model SM-100 has a frequency of 31.5 Hz to 8 kHz, three different dB ranges, and a 1/2" condenser microphone. The SM-100 has two frequency weightings: the "A" weighting ranges from 30 to 130 dB, while the °C" weighting ranges from 35 to 130 dB.
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product
Digital Pressure Gage
DPGW
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
Differential Pressure Transmitter
668
Our low cost Series 668 Differential Pressure Transmitter is capable of measuring low pressures with a ±1% accuracy - ideally suited for proper building pressurization and air flow control. Transmitters can withstand up to 10 psig overpressure with no damage to the unit. Variable capacitance sensor design provides excellent sensitivity and long-term stability.
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Industrial Pressure Transmitter
628
The Dwyer Series 628 Pressure Transmitters are ideal for OEMs with 1% full scale accuracy sensors. The transmitter is also available in the general purpose stainless steel housing and the cast aluminum conduit housing.
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product
Subminiature Pressure Switch
A2
Designed for OEM applications, the Series A2 is economical and is equipped with high proof pressure capabilities for demanding applications. The A2 is available with either spade terminals or flying leads (submersible). Switches with spade terminals can be easily adjusted in the field.
