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
Categories
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product
Direct Reading Glass Flowmeter
Series DR
5 mm and 150 mm, ±5% FS Accuracy, Interchangeable Flowtubes
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product
OEM Pressure Switch
AVS
Miniature Series APS/AVS Adjustable Switches offer reliable switching for pressure/vacuum alarm, shutdown or control. The units are readily adjustable throughout their range using the locking adjusting ring and indicating pointer.
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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
Flex-Tube Well-Type Manometer
1230
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
DATA LOGGER
Dl7
Monitor and Record low differential pressures and temperature with the model DL7 Differential Pressure Data Logger. Unit includes an onboard thermistor for ambient temperature measurement
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product
Low Differential Pressure Switch
1900
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
Mini-Photohelic Differential Pressure Switch/Gage
MP
The Series MP Mini-Photohelic differential pressure switch/gage combines the time proven Minihelic II differential pressure gage with two SPDT switching setpoints. The Mini-Photohelic switch/gage is designed to measure and control positive, negative, or differential pressures consisting of non-combustible and non-corrosive gases.
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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
Surface Mount Temperature Sensor
SCS
The Series SCS Low Cost Current Switches are ideal for monitoring whether fans, pumps, or motors are operating. The current flowing through the core of the device powers the circuit without an external power supply. All models have a built in solid state output and are easy to install. Optional LED's and 10 Amp relay modules are available. The Series SCS is available in both Split and Solid Core configurations
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product
Temperature/Process Controller
4B
The Series 4B 1/4 DIN Temperature/Process Controller is designed to accept thermocouple, RTD, current or voltage input and provide dual outputs for control. Available outputs include relay/relay, voltage pulse/relay, current/relay, or linear voltage/relay
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product
Miniature Adjustable Pressure Switch
MDA
Sense differential pressure with this Miniature Adjustable Pressure Switch. The switch features field adjustable set point and gold inlay contacts. Air or other compatible fluids can be used on the ?high side?.
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product
OEM Differential Pressure Switch
MDS
The Series MDS Pressure Switch is designed with a double diaphragm to protect false actuation due to shock and vibration. This low cost pressure switch has a minimum 20 million cycle life expectancy, and an extremely fast response time, making this an ideal device for OEM orders
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product
Digital Indicating Pressure Transmitter
DSGT
Series DSGT Digital Indicating Transmitter is a versatile multi-function process gage that features an excellent 0.25% full scale accuracy.
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product
Intrinsically Safe Relay
SSR-15
Model SSR-15 Intrinsically Safe Relay offers low power switching with solid state reliability and eliminates explosive conditions. Units are completely encapsulated and impervious to dust, moisture, or foreign material. Model SSR-15 can be mounted in any orientation and is shock and vibration resistant
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product
Stainless Steel Low Pressure Gage
SGX
The Series SGX Gages have dual English/metric scales with ±1.6% full scale accuracy. The Series SGX gages are designed with 304 SS housings and brass wetted parts. Units can withstand ambient temperatures up to 149°F (65°C) and process temperatures up to 212°F (100°C).















