The ability to washdown and changeover easily and quickly is saves time, but also reduces the risk of contamination. Thayer Scale claims its Sanitary PF-LC-S accurately handles is designed to handle materials from free flowing to fine cohesive powders Designed for processing plants that require fast and thorough cleaning, to prevent spoiling and cross contamination, the feeder can be dismantled within a minute without tools, the manufacturer claims. The stainless steel construction is resistant to corrosion, while the Thayer Scale's "U-through" feed chamber eliminates material build-up. The feed chamber with an independently driven agitator provides accurate and reliable delivery of material the feed screw and also controls aeration and flow. The cable suspension provides a high sensitivity, the company claims. Feeder "dead load" is mass-counterbalanced so that only material weight - or the live load is measured. This feature helps ensure excellent control in even noisy, high vibration environments, claims Thayer Scale. The loss-in-weight Feeders can feed vitamins into cereals at rates below one pound per hour to and six-idler conveyor scales can weigh coal at rates up to 10,000 tons per hour, the company claims. US-based Thayler Scale is a manufacturer of weighing and feeding equipment for the dry solids conveying and processing industries.