Maximize process efficiency with Dwyer Instruments precision solutions
From high-accuracy pressure gauges and transmitters to advanced flow meters, air velocity instruments, CO₂ detectors, and pressure switches, every Dwyer Instruments solution is engineered for reliable measurement & stable performance.
Dwyer Instruments is a globally recognized manufacturer of industrial instrumentation and process control solutions, founded in 1931 in Michigan City, Indiana, USA. Now operating as part of the DwyerOmega group, Dwyer Instruments has built a strong reputation for delivering reliable, accurate, and cost-effective measurement solutions for HVAC, process automation, and industrial applications worldwide. With more than nine decades of engineering expertise and innovation, the brand is widely trusted for its precision instruments used in critical monitoring and control environments across industries.
Dwyer Instruments offers an extensive portfolio of products including differential pressure gauges, pressure transmitters, flow meters, air velocity instruments, temperature controllers, level instruments, process control devices, data loggers, and air quality monitoring solutions. Some of the most recognized product families include the renowned Magnehelic® Differential Pressure Gauges, Photohelic® Pressure Switch/Gauges, Rate-Master® Flowmeters, and Hi-Flow® Valves. The company also incorporates respected brands such as Mercoid Controls, Love Controls, W.E. Anderson, and Proximity Controls, further strengthening its position in industrial measurement and automation technologies. Dwyer Instruments solutions are extensively utilized across major industries including HVAC, oil & gas, chemical processing, food & beverage, pharmaceuticals, water treatment, power generation, cleanrooms, manufacturing, and environmental monitoring. Their products are designed to provide accurate measurement and dependable control of pressure, flow, temperature, level, humidity, and air quality parameters in demanding industrial environments.
If you are looking for a specific Dwyer Instruments model or industrial instrumentation solution Simply send your requirement to [email protected].
QTech Safety is a supplier and reseller of Dwyer Products in Ireland, offering competitive prices and fast delivery across United Kingdom (UK), Germany, France, Italy, Spain, United States USA, Canada, Mexico, Western Australia (Perth) and Africa.
Keeping your critical processes operating efficiently with genuine Dwyer Instruments measurement and process control solutions.
Dwyer Instruments Categories
Dwyer Instruments categories encompass a comprehensive range of industrial measurement and process control solutions, including pressure gauges, pressure transmitters, flow meters, temperature controllers, level instruments, air velocity meters, humidity sensors, and process automation devices, all engineered to deliver accurate monitoring, reliable control, and improved operational efficiency across industries such as HVAC, oil & gas, water treatment, pharmaceuticals, food & beverage, chemical processing, and manufacturing.
Dwyer Instruments Pressure Controllers
Dwyer Instruments Pressure Controllers are precision-engineered devices designed to regulate and maintain desired pressure levels within industrial and commercial systems. These controllers continuously monitor process pressure and automatically adjust system operation to ensure stable and accurate pressure control. Dwyer pressure controllers are widely used in HVAC systems, cleanrooms, pneumatic systems, air handling units, industrial automation, and process industries where maintaining consistent pressure is critical for operational safety and efficiency. The product range includes differential pressure controllers, electronic pressure controllers, and pneumatic control solutions capable of handling air, gas, and compatible fluids. Known for reliability, fast response time, and accurate performance, Dwyer pressure controllers help improve energy efficiency, system stability, and equipment protection in demanding industrial environments.
Dwyer Instruments Pressure Gauges
Dwyer Instruments Pressure Gauges are highly reliable instruments used for measuring and displaying pressure levels in industrial, commercial, and laboratory applications. The brand is globally recognized for its industry-leading Magnehelic® Differential Pressure Gauges, which are widely utilized for monitoring air and gas pressure in HVAC systems, cleanrooms, filtration systems, and industrial process applications. Dwyer offers a broad portfolio of analog and digital pressure gauges designed for positive, negative, and differential pressure measurement. These gauges are engineered for durability, high accuracy, and long operational life, making them suitable for harsh industrial environments. Common applications include filter monitoring, fan pressure measurement, duct pressure monitoring, process control systems, and compressed air systems.
See all Dwyer Instruments Pressure Gauges.
Dwyer Instruments Pressure Sensors
Dwyer Instruments Pressure Sensors are advanced sensing devices designed to accurately detect and convert pressure measurements into electrical output signals for monitoring and automation systems. These sensors are commonly integrated into building automation systems, industrial machinery, OEM equipment, HVAC applications, and process control environments where precise pressure measurement is essential. Dwyer pressure sensors are available in absolute, gauge, vacuum, and differential pressure configurations, supporting a wide range of operating pressures and media compatibility. Engineered with robust sensing technology and reliable electronics, these sensors provide high accuracy, long-term stability, and dependable performance even in demanding industrial conditions. Their compact design and versatile output options make them suitable for both industrial automation and commercial monitoring applications.
Dwyer Instruments Pressure Switches
Dwyer Instruments Pressure Switches are dependable control devices designed to activate or deactivate electrical circuits when a specific pressure threshold is reached. These switches are extensively used for process protection, alarm systems, pump control, compressor monitoring, HVAC systems, and industrial automation applications where automatic pressure-based switching is required. The Dwyer pressure switch portfolio includes differential pressure switches, vacuum switches, electronic pressure switches, and compact industrial pressure switches suitable for air, gas, and liquid applications. Known for rugged construction, precise switching capability, and reliable long-term operation, Dwyer pressure switches help protect equipment, improve system safety, and maintain operational efficiency across various industrial and commercial environments.
See all Dwyer Instruments Pressure Switches.
Dwyer Instruments Carbon Dioxide Detectors
Dwyer Instruments Carbon Dioxide Detectors are advanced environmental monitoring devices designed to accurately measure and monitor CO₂ concentration levels in indoor and industrial environments. These detectors play a critical role in maintaining indoor air quality, optimizing HVAC ventilation efficiency, and supporting energy management systems in commercial buildings, laboratories, schools, hospitals, cleanrooms, and industrial facilities. Dwyer CO₂ detectors utilize reliable sensing technologies to provide accurate real-time monitoring of carbon dioxide levels for demand-controlled ventilation (DCV) applications and building automation systems. Many models feature digital displays, analog outputs, relay functions, and network communication options for seamless integration into modern HVAC and facility management systems. Engineered for stability, long-term reliability, and precise environmental monitoring, Dwyer carbon dioxide detectors help improve occupant comfort, workplace safety, and energy efficiency across diverse applications.
Dwyer Instruments Air Velocity Meters
Dwyer Instruments Air Velocity Meters are precision measurement instruments designed to accurately measure air speed, airflow, and ventilation performance in HVAC, industrial, laboratory, and environmental monitoring applications. These instruments are widely used by engineers, technicians, and facility managers to evaluate air movement in ducts, ventilation systems, cleanrooms, exhaust systems, and air handling units. Dwyer offers a broad range of air velocity measurement solutions including vane anemometers, hot-wire anemometers, airflow balancing instruments, and multifunction environmental meters. These devices are engineered for high accuracy, fast response, and dependable field performance, making them ideal for airflow testing, HVAC commissioning, indoor air quality assessments, and industrial process monitoring. With durable construction, user-friendly operation, and advanced sensing technology, Dwyer air velocity meters help ensure proper ventilation efficiency, system performance, and regulatory compliance in demanding environments.
Dwyer Products
Explore genuine Dwyer products from your trusted supplier, offered at the best prices with convenient door-to-door delivery.
Applications of Dwyer Instruments Across Industries
HVAC & Building Automation Systems
Dwyer Instruments is widely used in HVAC and building automation for monitoring and controlling pressure, temperature, humidity, air velocity, and CO₂ levels. Products such as differential pressure gauges, transmitters, air velocity meters, and carbon dioxide detectors ensure efficient ventilation, indoor air quality, and energy optimization in commercial buildings, hospitals, data centers, and cleanrooms.
Oil & Gas Industry
In oil & gas operations, Dwyer Instruments solutions are used for pressure monitoring, flow measurement, and system control in pipelines, compressors, and refineries. Pressure gauges, switches, transmitters, and flow meters help maintain safe operations, protect equipment, and ensure process reliability in upstream, midstream, and downstream applications.
Power Generation
Dwyer Instruments products support power plants by monitoring pressure, airflow, and temperature in turbines, boilers, and cooling systems. These instruments help improve operational efficiency, ensure system safety, and support stable and continuous power generation.
Petrochemical & Chemical Industry
In chemical and petrochemical plants, Dwyer Instruments is used for process monitoring in reactors, separators, and pipelines. Pressure instruments and switches help maintain stable operating conditions, prevent overpressure risks, and support continuous production.
Water & Wastewater Treatment
Dwyer Instruments devices are used in water treatment facilities to monitor pressure, flow, and filtration systems. They help detect filter blockage, monitor pump performance, and ensure efficient and reliable water distribution.
Why Choose QTech Safety?
At QTech Safety, we’re more than just a safety supplier we’re your trusted partner in workplace protection and compliance.
Here’s why companies across UK and Ireland (EU) choose us for safety products and training:
- Comprehensive Range of Safety Equipment:
From gas detection and PPE to industrial safety tools, we offer one of the widest selections of trusted brands all at competitive Irish market prices. - Expert Health & Safety Training:
We provide professional health and safety training programmes designed to help your workforce stay compliant and confident on the job. - Fast, Reliable Delivery Worldwide:
Whether you’re in Texas United States or Perth Western Australia, our fast delivery service ensures you get your safety equipment quickly and efficiently. - Trusted by European Businesses:
We’re proud to support industries across Europe (UK) with certified safety solutions, expert advice, and responsive customer service.
We Ship Worldwide
At QTech Safety, we supply Dwyer products across Ireland and offer fast, reliable worldwide delivery. Through strong global logistics partnerships, we ensure efficient shipping and professional support for customers in Europe, North America, Australia and Africa.
🡆 Europe (United Kingdom, Ireland, Germany, France, Italy, Spain, and the rest of European Union)
🡆 Australia (Western Australia WA, Queensland QLD, and New South Wales NSW)
🡆 North America (United States, Canada, Mexico)
🡆 Africa (Kenya, Tanzania, Nigeria, South Africa)