- Barometers (3)
Weather Ball Barometer
Indicates changes in air pressure quickly and accurately. The ball is filled with colored distilled water. Once filled the air trapped inside the ball is no longer subject to variations in atmospheric pressure. The liquid in the indicator tube, however,..
Product Number: SB33482M
The perfect barometer for giving demonstrations. Features a protective transparent case, air-tight seal, and a pressure bulb to force movements for teaching purposes.
Product Number: SB48285M
Large clear, dual scale in hPa (hecto Pascal), and mm hg on a 4" diameter dial which is easy to read from a distance. Accuracy of ±3 to 4 hPa. Excellent for classroom or lab use. Wall mount.
Product Number: SB23610M
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