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Marshall Water Baths have precision electronic temperature controls and are designed specifically for asphalt Marshall Stability specimens. Digital temperature displays operate in either °F or °C, and use Type K thermocouples for precise control and monitoring of temperatures to within ±1% of set point. Built-in variable speed magnetic stirrer assures even heat distribution and uniformity. An external drain valve makes it easy to empty the baths. Both Water Baths feature sturdy, long-lasting allstainless steel construction with 14-gauge tanks and covers with 20-gauge cases. The water baths are fully insulated, and include a perforated 14-gauge bottom support shelf which permits 2in (51mm) water above and below specimens. Standard 120V, 60Hz models use 12 amps for operation, and 220V, 50-60Hz "F" models operate on 7 amps.
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