DWYER INST Product Categories

Pressure

Known for quality, reliability and accuracy, Dwyer designs and manufactures a full-line of Controllers, Data Loggers, Gages, Manometers, Monitors, Remote Displays, Switches, Transmitters, and Accessories to measure, monitor and control pressure, air velocity, flow, fan pressure, duct, and more.

Accessories
Pressure Snubbers are used with water, air, gases, and oils. Mounting Kits for Magnehelic gages, Strap Wrenches for uncommonly shaped objects, and Tubing in materials like rubber, aluminum, Norprene and more are available. Static Pressure Tip Sensors are used for different products.

Differential Pressure
Dwyer’s wide selection extends to Gages, Transmitters, Switches, Data Loggers, and Monitors for Differential Pressure. Dwyer manufactures a range of dial and digital gages to reliably measure and display pressure difference, between two pressure sources using gas or liquid in a process flow.

Manometers
Indicators for the difference between two pressures. Can also be used for single pressure. Dwyer offers a wide range of digital and stationary Manometers, suitable for highly accurate laboratory or general industrial service.

Single Pressure
Dwyer has a wide offering of Gages, Transmitters, Switches, Data Loggers, and Monitors for Pressure, perfect for contractors, industrial and OEM applications.

Remote Displays
For a broad array of industrial and scientific applications Dwyer offers a selection of LED and LCD digital displays to remotely indicate pressure from pressure transmitters. These digital panel meters can be used to display process values from pressure, humidity, temperature, voltage, current, watt, or power factor transmitters.

Most Popular
Series 2000
Static Pressure Tips & Accessories
Series 2-5000
Series ADPS/EDPS
 

Air Velocity

Dwyer offers Wind Meters that have the option of Pocket Wind Meters and handheld meters. There are also Wind Speed Indicators and Vaneometers that are designed to simplify the measurement of low air velocities. Air Velocity Transmitters are sold in this category which are ideal for monitoring air flow.

Windmeters
Portable test equipment indicates air velocity for wind speed. Some products for ideal for weather monitoring stations and others are handheld devices. A few models are accompanied with accessories.

Vaneometers
Vaneometers are portable test equipment that indicate air velocity. This model includes a swing vane that is low cost and is designed to simplify the measurement of low air velocities.

Air Velocity Transmitter
This category contains sensors with an electrical transmission output for remote indication of air flow rate. Some products have LEDs while others have applications in clean room systems.

Most Popular
Model 480
Series AVUL
Series 641
Portable Wind Meter
 

Flow

Flow includes Flow Transmitters, Flow Sensors, Flowmeters, Sight Flow Indicators and Water Meters. Mass Flowmeters, Controllers, Flow Indicators and Controllers are ideal for measurement of flow rates. Flow Switches come as paddle, thermal, piezo, and shuttle/piston.

Sight Flow Indicators
Sight Flow Indicators are local visual indicators of flow rate. Viewing windows at economical prices that are easily replaceable and serviceable.

Mass Flowmeters and Controllers
This category contains sensors that indicate flow rate for low flow systems. The mass flowmeters monitor flow, pressure, and temperature. Some products are programmable.
Gas Flowmeter Selection Guide

Flow Indicators / Controllers
This category contains remote flow indicators and controllers for use with flow transmitters. Dwyer meters and totalizers display flow rate. The weatherproof, UV resistant, large, dual line display allows for more information, making it easier to read and simpler to program.

Flow Transmitters
Flow Transmitter are sensors with an electrical transmission output for remote indication of flow rate. The different transmitters are Ultrasonic, Paddlewheel: in-line, adjustable and fixed, electromagnetic: adjustable, in-line and fixed, and turbine: in-line. Accessories and Fittings for these flow transmitters are also in this category.

Flow Sensors
This category contains Flow Sensors that measure flow rates. The options are In-Line or Turbine. The In-Line turbines are designed to be inserted in a pipeline through compression fitting. The turbine flow sensors are designed for any pump, pressure or gravity feed system.

Flow Switches
Flow Switch Sensors with an electrical contact output at a specific flow rate have different types of switches, which are paddle, thermal, piezo, and shuttle/piston.

Flowmeters
Flowmeters indicate flow rate. The different sensors include dial, in-line, ultrasonic, orifice plate, totalizing meters, variable area, venturi, or with switch output. The different designs of the flowmeters have a variety of applications.

Water Meters
Water Meters are sensors that indicate flow totalization of water. Available are local and remote inidication models. Dwyer's multi-jet models are economical and dry dials. Each meter applies to different applications. Dwyer water meters are designed for long service life and maintenance-free operation, even under harsh conditions.

Most Popular
Series RM
Series VF
Series SFI-100 & SFI-300
Series VFC/VFCII
 

Level

Level includes Bin Vibrators - ideal in high vibration. Pump Controllers monitor pump levels and leaks. Level Indicators are customizable to fit any application. Level Switches come in diaphragm, tuning fork, and more. Level Transmitters are capacitive, float, submersible, or ultrasonic. Water Leak Detectors monitor water levels.

Level Indicators
Level Indicators indicate level. Both products available can be customized. There is a choice of a compact "mini" size or the customizable full size. Dwyer's indicators incorporate a pressure tight housing with internal float.

Water Leak Detectors
Water Leak Detectors are conductivity sensors with an electrical contact output for detecting water leaks. Single point and extended tape models. Variety of Applications.

Pump Controllers
Pump Controllers turn on and off pumps to maintain specific levels in tanks. This category contains protectors and controllers.

Bin Vibrators
Bin Vibrators come in these types: Penumatic Roller Vibrator, Piston Vibrator, Pneumatic Ball Vibrator, Air Hammer, Pneumatic Turbine Vibrator, Electric Bin Vibrator, and Bin Aerator Pad. Bin Electric and pneumatic vibrators for powder and bulk storage vessels.

Level Switches
Level Switches are sensors with an electrical contact output at a specific liquid, powder or bulk level. Capacitive, conductive, diaphragm, displacer, float, inductive, optical, paddle, vibrating rod, tilt, and tuning fork models are the different types of level switches available.

Level Transmitters
Level Transmitters are sensors with an electrical transmission output for remote indication of liquid, powder or bulk level. Capacitive, float, mechanical, submersible, and ultrasonic models are the different types available of level transmitters.

Most Popular
Series WD3
Series CFS2
Series F6 & F7 Vertical
Series PBLT2 & PBLTX
 

Temperature

Process Controllers and Din Rail Temperature Controllers monitor and control temperature, defrost, and fan cycles. Dwyer offer selections of Transmitters, Thermostats, Digital Panel Mount, Limit Switches, Mechanical Switches and Thermometers available in dial, spirit filled, or digital. Indicators are available with digital LCD displays.

Thermocouple Thermometers, Digital
Digital thermocouple thermometer indicators are for the temperature category. Dwyer's products accurately monitor temperature in a variety of applications.

Process Controllers
Process Controllers monitor and control temperature or process applications. Control methods include ON/OFF, PID, fuzzy logic, self-tune, and manual tune. Self-Tune PID and different mounting options. The alarm outputs can be configured from different preprogrammed settings.

Weatherproof Enclosures
Weatherproof enclosures for mounting panel meters, indicators, and controllers.

Transmitters
Temperature Transmitters are sensors with an electrical transmission output. From wall mounted to PC programmable, to LCD Display, to intrinsically safe models, there are a variety of transmitters to choose from. Dwyer's economical devices provide the accuracy and reliability at the lowest possible cost.

Sensors
Sensors are for temperature measurement. The different types of Temperature Sensors are RTD, thermocouple, and thermistor models. From probes to thermowells to wireless, these products deal with sensing temperature levels.

Indicators
Temperature Indicators have choices from digital to labels and strips. Different meters and indicators are loop powered, window mounted, panel mounted, high accuracy, and low cost.

Switches
Temperature Switches are sensors with an electrical contact output at a specific temperature. There is a choice of Digital Panel Mount, Limit, and Mechanical for types of switches.

Thermometers
Thermometer indicators are for temperature applications. There are dial thermometers, spirit-filled thermometers, and digital thermometers.

Thermostats
Control indoor temperatures in commercial and residential buildings with Thermostats. The different thermostats include wall mounts, heat pump control, key lock protection, and digital thermostats.

Software
Software for programming and communicating with temperature controllers.

Din Rail Temperature Controllers
Din Rail Temperature Controllers control the compressor, the defrost, and the fan cycles in refrigeration applications. Used in refrigeration, walk in coolers, and applications that require a defrost cycle.

Most Popular
Series TE
Series TE-TNS
Series TS-PROBES
Series TTW
 

Process Control

Dwyer sells Alarm Switch Modules, Chart Recorders, Current and Particulate Transformers/Switches, Data Loggers, Fan Speed Controllers, Intrinsically Safe Barriers, Indicating Annunciators, Motion/Safety Switches, Power Supplies and Transformers, Relays, Signal Conditioners/Converters, SSR Monitors, and more.

Timer Boards
The low cost Timer Boards control air pulsing of dust collectors. Dwyer's products have modular design. Some are solely for low voltage applications while others have multiple channels. For added safety, the control circuitry includes isolated control inputs from the line voltage.

Panel Meters/Indicators
Panel Meters and Indicators are for displaying inputs from transmitters and sensors. Totalizing, contact outputs, and retransmission models. There are different types of mounts.

Process Alarm Switch Modules
Process Alarm switches have selectable fields, by user. Dwyer's products can operate independently or be connected to operate as a DPDT output. All selections are made through easily accessible switches without the need to open the product. The products can be mounted on a Din Rail.

Fan Speed Controllers
Fan Speed Controllers are for speed modulation of small AC motors with precision. Works with most process controllers and improves overall energy efficiency of the system.

Signal Conditioning Modules
Signal Conditioning Modules convert process signals. Dwyer's products have easy installation in which some products are transmitters and others are converters/isolators. Some products are low cost and some are specifically for low voltage units.

Relays
From hockey puck solid state relays to intrinsically safe relays to electromechanical relays to power relays and Ice Cube relays, each relay can handle different amounts of amps.

Current Transformers / Switches
Current Transformers and switches have either solid or split cores as well as relay outputs, LED confirmation, and an adjustable set point. Some models feature an LED for visual confirmation that current is flowing through the device.

SSR Monitors
SSR Monitors allow easy control of resistance and some inductive loads. Dwyer's monitors protect systems and are compact. Protect your system today.

Indicating Annunciators
Indicating Annunciators provide visible and audible alarms, relay outputs, and integral power supply. Applications include water and wastewater panels, tank level monitoring, and temperature monitoring process. Variety of Applications.

Intrinsically Safe Barriers
Intrinsically Safe Barriers can be used to communicate with and provide isolations for certain transmitters approved for use in hazardous areas. Dwyer's barriers limit the amount of energy allowed to pass into the hazardous area, which inhibit ignition in flammable atmospheres.

Motion/Safety Switches
Motion/Safety Switches are sensors with an electrical contact output for rotational speed, cable pull, and belt alignment.

Particulate (Dust or Broken Bag) Transmitters
Particulate (Dust or Broken Bag) Transmitters are sensors with an electrical transmission output for remote indication of particle concentration in air flows. The particle transmitters have applications in bin vent monitoring, cyclones, filter leak, baghouses, and emissions monitoring.

Particulate (Dust or Broken Bag) Sensors
Particulate (Dust or Broken Bag) Sensors are sensors with an electrical contact output for particle concentration in air flows. The applications include baghouses, cartridge filters, and bin vents. All models are durable and reliable.

Timers
This category includes timers, counters, and tachometer. Some products are digital timers, compact, and have audible alarms.

Vibration Control
Vibration Control products detect vibration and monitors the vibration. No software required for vibration switch and transmitter. Applications include motors, pumps, fans, engines, and more.

Enclosures
Weatherproof enclosures for mounting panel meters, indicators, and controllers. Control programming buttons are easily accessible by just opening the front cover. Protects controls from dirt, dust, oil and water.

Signal Converter
Signal Converter is a low cost device in a compact size with no external power that converts serial communications signals to a signal that is read by a computer.

Data Loggers, Indicating
Data Loggers which Indicate measure and record data with local indication. Some display right on the product face, but one product available is wireless. Covers a variety of applications.

Data Loggers, Miniature
Miniature Data Loggers measure and record data in a miniature size construction. Applies to a variety of applications.

Data Loggers, USB
USB Data Loggers measure and record data in a USB stick construction. Compact products. Dwyer's data logger features make these models ideal for calibration labs, pharmaceutical plants, environmental chambers, and storage warehouses.

Chart Recorders
Chart Recorders measure and record data on paper. Applications include Temperature/Humidity in wood drying, room pressure monitoring in clean room applications, and water level monitoring in water treatment. Between a single pen or dual pen recorder, each can be programmed for thermocouple types or process inputs.

Power Supplies and Transformers
Power supplies and transformers are used to power instrumentation. Applications include BAS and HVAC. Cost efficient.

Control Enclosures
From carbon steel to stainless steel, these enclosures can be wall mounted and are UL Approved. Perfect accessories for a variety of instrumentation.

Most Popular
Series CCS
Series MCS
Series CCT40/50
Series APT
 

Data Loggers & Recorders

Data Loggers available are Button, High Temperature, Humidity, LCD, Portable, Pressure, Process, Submersible, Temperature, USB, Wireless, and Water Level Data Loggers; Software for communicating with these Data Loggers. Some data loggers are compact and stainless steel. These Data Loggers monitor various applications.

Data Loggers
Data Loggers measure and record data. Products include button, process data, temperature, LCD, Vented and Unvented Water level data logger. Some of the products are compact and some are stainless steel. Some are portable and some are submersible.

Software
Software for programming and communicating with data loggers.

Data Loggers, Wireless
The wireless data logger measures and records data with a wireless connection. If connection is lost, sensor will store any records until it can reinstate communication. Applications include environment monitoring, weather monitoring, and building/site monitoring.

Most Popular
Series DW-USB
Series DW-WIFI
Series HTDL-20/30
Series DL7
 

Test Equipment

Test Equipment has instruments for calibration, measurement, test of Air Velocity and Flow, and monitor Back Flow, Carbon Monoxide, and Combustion. Distance, Electrical Control Signals, Electricity, Gas Detection/Analysis, Ground and Continuity meters are available. HVAC Balancing, Humidity, Light, and many more are available.

Thermo-Anemometers
Thermo-Anemometers are portable test equipment instruments that indicate temperature and air velocity. There are anemometers and probes, some are wireless while others are wired. Download the Mobile Meter® Software Test Instrument Mobile App which converts Android® based phones and tablets into a multi-function test instrument.

Thermo-Hygrometers
Thermo-Hygrometers are portable test equipment instruments that indicate temperature and humidity level. Applications include HVAC, clean rooms, textile, and building commission. The products include pens and probes.

Signal Generators, Multimeters
Signal Generators which are multimeters that are portable test equipment instruments that create and indicate electrical control signals. Troubleshoots transmitters, transducers, motors, and actuators.

Multimeters
Multimeters are portable test equipment instruments that indicate electricity levels. Dwyer's insturments measure DC/AC voltage while products are low cost and compact.

Calibration Pumps
Calibration pumps are pumps for testing and calibrating pressure instruments. Between hand pumps, calibration pumps, and low pressure calibration pumps, these products are used for leak check testing. There are pumps available that are not hand pumps.

Ground & Continuity Controls
Ground and Continuity Controls are test equipment instruments that indicate ground and continuity of a circuit. Applications include chemical, oil, and gas.

Manometer
Manometers are portable test equipment that indicate single or differential pressure. Air velocity is measured in some models.

Pressure Calibrators
Pressure Calibrators are for testing and calibrating pressure instruments. Applications include clean room control, draft measurements, paint booths, filter performance monitoring, and more. Multi-Cal Pressure Modules are interchangeable and available in a wide selection of pressure ranges and accuracies.

Gas Leak Detectors
Gas Leak Detectors are portable test equipment that indicate presence of gases. Dwyer's detectors include combustible leak detectors and refrigerant leak detectors. Used for commercial or domestic use.

Testers
Dwyer Testers are portable test equipment instruments that indicate conductivity and pH in liquids. Applications include pools, spas, aquariums, labs, hydroponics, and more.

Tachometers
Tachometers are portable test equipment instruments that indicate rotational speed. Applications include HVAC fan motors, bulk and powder conveyor belts. Models are handheld.

Sound Meters/Calibrators
Sound Meters and Calibrators are portable test equipment instruments that indicate sound level. Dwyer calibrators set standard noise levels and measure noise levels.

HVAC Balancing Instruments
HVAC Balancing Instruments are portable test equipment that are multiparameter for HVAC balancing. Some products are wireless and software for Testing Instruments are within this category.

Pitot Tubes
Pitot tubes are single point sensors with velocity pressure output for indication of air flow rate. Some products are stainless steel and there are different shaped pitot tubes to be used with different instruments and have different applications.

Air Flow Grids
Air Flow Grids are portable test equipment that indicate face air velocity on grills, diffusers, registers, exhaust hoods, coils, filters, dampers and similar restrictions.

Backflow Test Kit
Backflow Test Kit is a portable test equipment that measures backflow. The kit is capable of testing hydronic systems with test procedures.

Thickness Gage, Ultrasonic
The Ultrasonic Thickness Gages are portable test equipment that indicate pipe wall thickness for ultrasonic flowmeters. Applications include plumbing, automotive, HVAC, industrial applications, and more.

Thermometers, Thermocouple
Themocouple Thermometers are portable test equipment. Thermocouple thermometers indicate temperature level. Applications vary greatly. Products have an LCD screen.

Vane Thermo-Anemometer
Vane Thermo-Anemometers are portable test equipment instruments that indicate temperature and air velocity. Applications vary. Most products include a carry case and battery for the instrument.

Air Flow Hood
Air Flow Hood is a portable test equipment instrument that indicates volumetric air flow through grills, diffusers and registers. Applications include commissioning, testing, adjusting, and balancing volumetric air flow from diffusers, grilles, and registers in HVAC systems.

Gas Analyzers/Kits
Gas Analyzers and kits are portable test equipment that analyze gas in exhaust. The gases include smoke, flue gas, carbon monoxide, CO and CO2 gas. Products contain an LCD screen.

Thermometers, Infrared
Infrared Thermometers are portable test equipment instruments, non-contact infrared thermometers that indicate temperature level. Most products are handheld and apply to various applications. Excellent for monitoring surface temperatures of air ducts, boilers, engines or light fixtures.

Clamp Multimeters
Clamp Multimeters are portable test equipment instruments that indicate electricity levels. Compact and low cost meters that have applications in HVAC, automotive, electrical/power, and environmental monitoring uses.
Pen Multimeters
Pen Multimeters are portable test equipment instruments that indicate electricity levels. Dwyer's pen multimeters are compact and low cost meters have applications in HVAC, automotive, and electrical/power uses. Products contain an LCD screen.

Most Popular
Series PAFS-1000
Series 1221/1222/1223
Series 160
Series 475
 

Valves

Valves include Ball, Butterfly, Check, Globe, Needle, and Solenoid Valves. Actuators come in pneumatic and electric, Air Filters have different fittings and port sizes, Connectors eliminate need of welding, Electro-Pneumatic Contollers, Current/Pressure Transducers, Positioners, Position Indicators are linear or rotary operation, and Volume Boosters.

Bulk Head Connectors
Bulk Head Connectors allow for easy installation of blow tube through the dust collector wall and eliminate the need for welding of use of additional flanges. The fittings enable easy removal and re-assembly of blow tubes for cleaning and maintenance.

Damper Actuators
Damper Actuators are electric motors for positioning of dampers in HVAC systems. Low cost, two-position actuators are also non-spring return direct coupled actuators. Dwyer's models are designed to accept floating control signals and come in a variety of power supplies.

Current to Pressure Transducers
Current to Pressure Transducers in which some products are NEMA 4X enclosures, compact, low cost, and explosion-proof. Applications include valve actuators, brakes, clutches, and relays.

Positioners
Positioners for Valves that are available with HART communication for low price. Include either rotary operation or linear operation. Available with HART® communication. Dwyer's models have a durable design makes it ideal for harsh environments.

Air Filters / Regulators
This category includes filters, regulators and lubricators for pneumatic systems. Dwyer's regulators are low cost and one of the models is miniature. Variety of fittings and port sizes depending on the regulator.

Position Indicators / Switches / Transmitters
This category includes Valve Position Indicators, Position Switches, and Position Transmitters. Applications include position monitoring and indication with devices- actuators & cylinders, dampers, and rotary valves.

Controllers
Controllers control the current position of a valve or damper. Low cost, weatherproof, and are used in industries like food, pulp and paper, chemical and pharmaceutical. The different type is Electro-Pneumatic.

Valves
This category contains the different types of valves. These different types are Angle Seat, Ball, Butterfly, Check, Diaphragm, Globe, Manifold, Needle, Shuttle, Solenoid, and Zone Valves.

Pressure to Current Transducers
Pressure to Current Transducers convert a pneumatic control signal to an electrical 4 to 20 mA control signal. Dwyer models offer a high density Din Rail adapters. There is also easy plug-in installation.

Volume Booster
Volume Boosters are a one to one signal to output relay that receives the positioner’s signal output and supplies the proper air pressure to the actuator to reduce response and adjustment time. Available in aluminum or stainless steel.

Actuators
Actuators come in pneumatic and electric actuators for automating quarter-turn valves. This category contains accessories. Applications include damper control. These actuators have a compact rack-and-pinion design. Dwyer offers double acting and spring return models in a variety of sizes to fit any application.

Most Popular
Series MV
Series DCV/RDCV
Series MPR
Series NVII
 

Miscellaneous

Power Supplies & Transformers contains fuse protections, power supplies, and Power charges. Accessories include Carrying Cases, Cooling Extensions, Filters, Fittings, Gage Fluids and Guards, Mounting Options, Mufflers, Pressure Snubbers, Psychrometers, Regulators, Siphons, Slide Charts, Static Pressure Sensors, and Tubing.

Power Supplies & Transformers
Power supplies and transformers are for power instrumentation. Some models are power supplies and others are transformers. Applications include BAS, HVAC, Test and Balance.

Accessories
Accessories for instrumentation products. Including filters, cooling extensions, gage fluids, gage guards, fittings, mounting, connectors, and tubing.
 

Air Quality

Air Quality Instruments are used in HVAC systems. Air Filters & Flow Switches & Velocity Transmitters, Carbon Dioxide Transmitters, Carbon Monoxide Transmitters, Flow Sensors, Fume Hood Monitors, Occupancy Sensors, Pitot Tubes, Switches/Transmitters for Temperature/Humidity are available. Products contain LCD displays.

Pitot Tubes
Single point sensors with velocity pressure output for indication of air flow rate. The Pitot Tubes have different shapes and designs.
Fume Hood Monitors

A sensor that monitor the air flow from a fume hood.

Humidity Switches
Sensors with an electrical contact output at a specific humidity level. Applications include beer and wine chillers, tobacco preservation, museums, heat sealers, coolers, and laboratories.

Temperature / Humidity Switches
Sensors with an electrical contact output at a specific temperature and humidity level. Simultaneously measures temperature and humidity.

Humidity / Temperature Transmitters
Sensors with an electrical transmission output for remote indication of humidity. Some products have an LCD display while others have different designs. Some transmitters are mounted.

Accessories
Carbon Monoxide and Carbon Dioxide Gas Calibration Kit that provides flow of the gases Carbon Monoxide and Carbon Dioxide.

Occupancy Sensors
Occupancy sensors with an electrical contact output at a specific level. Applications include lighting control, building energy conservation, and product installation trials.

Flow Sensors
This category contains averaging pressure sensors for measuring air flow rate. Products come in different shapes and sizes. Some for ideal for sensing fan flow rates and others are for indication purposes.

Air Flow Switches
This category contains sensors with an electrical contact output at a specific air flow rate. Applications include low air flow condition duct alarm, fan monitoring, damper feedback, air handlers, and air flow proving in HVAC systems.

Carbon Dioxide Transmitters
This category contains sensors with an electrical transmission output for remote indication of carbon dioxide level. There are products with optional relays. Applications of some of these products is ventilation.

Carbon Monoxide Transmitters
Carbon Monoxide Transmitters are sensors with an electrical transmission output for remote indication of carbon monoxide level.

Air Velocity Transmitters
Air Velocity Transmitters measure air velocity or volumetric flow in imperial or metric units. There are models for 3% or 5% accuracy.

Smoke Detector
A smoke detector is crucial for early detection that a fire could be present within HVAC duct work. The unit is designed to not only alarm when smoke is detected, but will also utilize relays to disable fans and blowers. Applications include: commercial, industrial, and residential.

Most Popular
Series RHP
Series PAFS-1000
Series CDT
Series 160
 

Hazardous Rated

Products rated for use in hazardous locations. Includes Valves, Temperature Transmitters, Pressure Switches which are explosion-proof and compact, Flow products that monitor liquid, gas, and air flows, Level models where some are submersible and applications vary, and a Pressure Transmitter which is microprocessor-based.

Valves
Valve products that have ratings for use in hazardous locations. Includes both valves and transmitters.

Temperature Transmitters
Temperature Transmitters for hazardous temperature measurement applications. Applications include explosive process environments, offshore HVAC monitoring, and dust and grain handling.

Pressure Switches
Dwyer pressure switches are explosion-proof, ATEX approved, weatherproof, compact and low cost. Applications include HVAC applications, process applications, all weather applications, and gas furnaces.

Flow
Dwyer's flow products included in this category are compact and explosion-proof. They monitor liquid, gas, and air flows. Some applications are control dampers according to flow, signals alarm, shuts down burner, and protects pumps, motors, and other equipment against low or no flow.

Level
Level products are for use in hazardous applications. The applications include water and wastewater, food and beverage, chemical processing, level control, and valve control. Some models are submersible.

Pressure Transmitters
This category has a pressure transmitter that is a microprocessor-based high performance transmitter. Applications include water and wastewater, food and beverage, chemical and petrochemical, oil and gas. HART Communication.

Process Control
Intrinsically safe barriers for hazardous locations are found amongst our Process Control instruments, along with hazardous rated solid state relays, hermetically sealed ice cube relays and intrinsically safe isolators.

Temperature Switches
Temperature Switches are sensors with an electrical contact output at a specific temperature. Our Series 862E provides an explosion-proof, heavy-duty thermostat for hazardous-location temperature control.

Pressure Gages
Pressure gages can indicate positive, negative or differential pressures and are accurate within 2%. They can also be purchased with a flame-proof ATEX enclosure.

Most Popular
Series 1950
Series V6
Series PBLT2 & PBLTX
Series L6
 

Discontinued Products

Products no longer manufactured but referenced for literature.

Pressure
Pressure products that are discontinued but can be found here for support literature.

Air Quality
Air quality products that are discontinued but can be found here for support literature.

Flow
Flow products that are discontinued can be found here for support literature.

Level
Level products that are discontinued but can be found here for support literature.

Temperature
Temperature products that are discontinued but can be found here for support literature.

Process Control
Process control products that are discontinued but can be found here for support literature.

Data Loggers & Recorders
Data Logger and recorder products that are discontinued but can be found here for support literature.

Humidity
Humidity products that are discontinued but can be found here for support literature.

Test Equipment
Test equipment products that are discontinued but can be found here for support literature.

Valves
Valve products that are discontinued but can be found here for support literature.

Miscellaneous
Other miscellaneous products that are discontinued but can be found here for support literature.

Most Popular
Model KFD0
Series 750H
 

Technical References

Reference books covering topics like HVAC, Air Quality, Building Automation, Chemical Resistance, Refrigeration, Industrial Maintenance, Handbooks, Electrical Systems, Mechanical Systems, Boilers, Water Quality, Sustainable Construction, Energy Management, Pumps, Test Instruments, and Instrumentation.

Chemical Resistance Guide for Elastomers III
Data on liquid or dry chemicals, gases, lubricants, household fluids, foods, atmospheres, and other environments where mechanical, physical, and electrical properties are described for each elastomer.

Electric Motor Drive
Electric Motor Drive Installation and Troubleshooting provides an overview of motor drives, electric motor types, operation fundamentals, electric motor drive selection, and many more.


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