Optical Chopper offers frequency stability better than +/-0.1%.
Variable frequency Optical Chopper utilizes Dual Phase Lock-In Amplifier to allow greater offset before saturation of gains settings. Blades are 102 mm diameter, chemically blacked, photo-etched discs that allow for operation frequency range of 5 Hz to 20 kHz. They come in 2, 5, 10, 30, and 200 slots. LED display provides direct read-out of chopping frequency, which is set by adjusting 10-turn...
Read More »FRP Advantages for Utility Infrastructure
Our eBook, FRP Advantages for Utility Infrastructure, outlines the advantages and applications of FRP for utility structures.
Read More »Fresh Air Intake Designed to Meet ASHRAE 62.2 standards
Alan Manufacturing has a long history of developing innovative solutions for HVAC applications. With over 1,000 product designs under our belt, we have gained a reputation as the go-to source for HVAC dampers, hardware, duct supports, zone control systems, and much more. Adding to this extensive list of achievements we now announce the release of our new line of Fresh Air Intake products. Designed to meet ASHRAE 62.2 standards, they are the most robust and high-performance product of their kind. See our video to learn more.
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