OFFICES: 13/45 Leighton Place Hornsby  NSW  2077 POSTAL: ADDRESS PO BOX 396 Hornsby  NSW  1630 Australia Phone. 61 2 9482 1411     Fax. 61 2 9482 1489     Email. sales@duffmac.com.au  Since 1928, we have collected an ever-growing range of quality products, from reliable and reputable manufacturers. For your convenience, we have grouped this vast range into 3 main areas: Instrumentation (our traditional area) Flowmeters, Flow Sensors, Flow indicators, Sight Glasses, Mass Flowmeters, Rotameters, VA Meters, Turbine Flowmeters, Flow Switches, S/S Pressure Sensors, Plastic Pressure Sensors, Pressure Transmitters, Pressure Regulators, Back Pressure Regulators, Infrared Thermometers, Heat Scanners, Heatflux Sensors and Transmitters, Level Switches, Hot Spot Detectors, Foaming Leak Detectors, Ultrasonic Leak Detectors, Furnace Video Systems, Sampling Components, Sample Coolers, Sequencers, Sample Panels and Samplers. Sensors (some of our smallest products) Pressure sensors, Pressure Transmitters, Mass Air Flow, Temperature, Heat Flux, Level, sensors in our comprehensive range. Education (our largest products!) Aerodynamics, Automotove Electronics, Automotive Engineering, Biomedical Electronics, CIM, Consumer Electronics, Control Engineering, Ecology, Electrical Engineering, Electrical Machings, Electrical Power, Experimental Chemistry, Fluid Mechanics, Food Processing Technology, Industrial Chemistry, Industrial Process Control, Maritime Training, Materials Testing, Mechatronics, Robotics, Structures, Technology and Science, Technology Principles, Telecommunications, Theory of Machines, and Thermodynamics. Duff and Macintosh are suppliers of the following brands: Alicat Scientific, Autoflow, Cantesco, CIG Limited, Clam Engineering, Clam Products, WOG-1750KPa, Compac Engineering, David Auld, Degener, Digiflow, Digitap, Elettronica Veneta, Exergen, Flogage, Foxboro, GA Platon, Gapmeter, GO, Hamberflow, Honeywell, ICT, Influx, ITI, Key Instruments, Lenox Instruments, Locktronics, Neon, Platon, Primary Flowpoints, RCM, Rotoflow, Roxspur, Sensit, Sensortec, Sensortechnics, SenSym, Sentry, Sentry Equipment, Somso, Sonic Technology, Superior Signal, Tequipment, TQ, Thermguard, Titan, Tokyo Keiso, TQ Structures, UE Systems, Vistaflow