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
Bourdon Tube Operated Pressure Switch
DA/DS
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Customers tell us that this is the best pressure switch made. The Mercoid D Series is one of the world's broadest lines of pressure switches. Whatever your application might be, it is most probable it can be fully satisfied with a D Series pressure switch
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Product
Total Dissolved Solids (TDS) Tester
TDS
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Take precise measurements of total dissolved solids with Series TDS. Lightweight and compact, these testers are ideal for field testing of TDS concentrations. Large easy-to-read LCD displays the full scale readout in ppm (parts per million), no additional calculations are required to obtain actual test values
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Product
Stainless Steel Low Pressure Gage
SGF
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The Series SGF Gages have dual English/metric scales with ±1.6% full scale accuracy. The Series SGF gages are designed with 304 SS housings, and 316/316L SS wetted parts. Units can withstand ambient temperatures up to 149°F (65°C) and process temperatures up to 212°F (100°C).
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Product
Backflow Prevention Test Kit
BTK2
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he Model BTK2 Backflow Prevention Test Kit is capable of testing hydronic systems with test procedures recommended by ASSE, AWWA, CSA, FCCC, HR-USV, and NEWWA. The BTK2 is comprised of three valves and is specially designed for testing backflow prevention assemblies. The tests can be completed in almost any area by mounting the unit with the included high performance elastic cord. PTFE-lined brass ball valves simplify the adjustment procedure. The large, easy-to-grip needle valve allows for quick adjustment.
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Product
Data Logger
DL6
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Monitor and troubleshoot HVAC systems, verify energy management systems, or track performance of pneumatically controlled valves with Series DL6 Pressure/Temperature/RH Data Logger.
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Product
Temperature/Limit Controller
16L
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The 16L Series Temperature/Process FM Approved Limit Controls set a new standard in 1/16 DIN limit controls. The 16L offers universal input (10 thermocouple types, 4 RTD types, voltage, and current), single set point or dual set point
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Product
Stainless Steel Schaeffer Gage
SGO
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The Series SGO Gages have dual English/metric scales with ±1.6% full scale accuracy. The Series SGO gages are designed with 304 SS housing, a 316L SS chamber and PTFE coated diaphragm for excellent chemical compatibility
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Product
Digital Pressure Gage
DPGA
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The Series DPGA is the only economic digital pressure gage with selectable engineering units on the market. With its 1% accuracy and digital push-button zero, the DPGA is the perfect choice for digitally monitoring the pressures of air and compatible gases
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Product
General Purpose Surface Temperature Assembly
S2-2
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The Series S2-2 General Purpose Surface Temperature Assembly is ideal for monitoring the temperature of indoor distribution lines when it is not possible to penetrate the pipe. The plastic housing is in the shape of a standard junction box with multiple knockouts for easy conduit access. The strap-on connection quickly wraps around a pipe and can be securely tightened using a flat head screw driver. The Series S2-2 can be ordered with a choice of 11 output options that allow it to communicate to any standard building control system
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Product
Digital Pen Meter
PM-2
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Our compact, low cost Model PM-2 Digital Pen Meter is ideal for general electrical testing and troubleshooting. A few applications include HVAC, automotive, electrical/power, and environmental monitoring uses.
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Product
OEM Pressure Switch
A1PS
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Series A1PS/A1VS Economical Pressure Switches are designed with a 15 Amp SPDT switch for direct control of pumps and motors. Available in pressure, vacuum, or compound ranges, the switches offer a field adjustable set point.
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Product
Handheld Digital Manometer
HM28
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The Series HM28 Digital Hand-Held Manometer is a precision instrument designed to measure a wide range of pressures to a very high accuracy. The unit incorporates a variety of features in an easy to use format that makes it useful in a wide variety of applications
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Product
Temperature Panel Meter
LTI
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The Series LTI Temperature Panel Meters can be configured in a variety of configurations to provide visual indication and control of a process temperature. Field pluggable modules are available to add additional relay outputs, digital I/O ports, and serial communications. Utilizing an easy-to-read, dual 6-digit display, more descriptive programming parameters are displayed to simplify initial setup.
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Product
Flex-Tube Well-Type Manometer
1230
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Dwyer Flex-Tube Well Type Manometers are designed to meet the need for a direct reading single column instrument providing highly accurate pressure readings; positive, negative or differential. Unlike other makes, Dwyer manometers have no hidden wells or packing glands
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Product
Temperature/Process Controller
32DZ
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The Model 32DZ Temperature/Process Controls set a new standard in 1/32 DIN power, flexibility, and value. Love Controls is proud to be the creator of the world?s first dual zone control in the 1/32 DIN size.















