Dwyer Instruments Inc., produces a broad range of measuring and control instruments for Pressure, Flow, Temperature, Level and Valve applications. The first Dwyer instruments were manufactured in 1931 in Chicago, Illinois. Now we have over 3600 products from Dwyer Instruments Inc., Mercoid, W. E. Anderson, Proximity Controls and Love Controls including Dwyer's Magnehelic® Gage.

• See also:
• Masterformat 2004
• 21 05 23 - General-Duty Valves for Water-Based Fire-Suppression Piping
• 22 05 23 - General-Duty Valves for Plumbing Piping
• 23 05 23 - General-Duty Valves for HVAC Piping
• 23 35 13 - Sawdust Collection Systems
• 23 40 00 - HVAC AIR CLEANING DEVICES
• 23 41 00 - Particulate Air Filtration
• 23 41 33 - High-Efficiency Particulate Filtration
• 23 41 43 - Ultra-Low Penetration Filtration
• 23 43 00 - Electronic Air Cleaners
• 23 84 00 - Humidity Control Equipment
• 23 84 13 - Humidifiers
• 23 84 16 - Dehumidifiers
• 23 84 19 - Indoor Pool and Ice-Rink Dehumidification Units
• 25 00 00 - INTEGRATED AUTOMATION
• 40 90 00 - INSTRUMENTATION AND CONTROL FOR PROCESS SYSTEMS
• 40 91 00 - Primary Process Measurement Devices
• 40 93 13 - Analog Controllers
• 40 93 23 - Chart Recorders
• 40 94 00 - Digital Process Controllers
• 40 97 00 - Process Control Auxiliary Devices
• 40 97 10 - Process Control Annunciators
• 44 11 16 - Fugitive Dust Barrier Systems
• Masterformat 1995
• 13400 - Measurement and Control Instrumentation
• 13440 - Indicators, Recorders, And Controllers
• 15110 - Valves
• 15750 - Humidity Control Equipment
• 15860 - Air Cleaning Devices
• 15935 - Building Systems Controls