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SCIENCEWARE® Liquid Flow Indicator, Bel-Art液体流动指示器
Highly visible, nylon indicator ball is housed in clear polycarbonate and rotates in circular channel during flow providing immediate visual indication of water/liquid flow. Continuity and relative flow rate indicated by speed of ball's rotation and an arrow shows direction of flow. A minimum water flow rate of 100/ml per minute in a horizontal position and 140ml per minute in a vertical position is required to mobilize the ball. Upper flow limit is in excess of 1 liter/minute. Maximum working pressure is 10 p.s.i.g. (69 kN/m2). The polycarbonate indicator measures 30 x 57mm (1-1/5 x 2-1⁄4") with two 23mm (.9") long tube extensions to accept 6.4mm (1⁄4") to 9.5mm (3/8”) I.D. tubing. Overall size is 76 x 57mm (3 x 2-1⁄/4").可见，尼龙指示球安置在透明的聚碳酸酯和旋转的圆形通道的流动提供了水/液体流动过程中直接的视觉指示。通过球的旋转和一个箭头所示方向流动速度表示的连续性和相对流量。最小水流量100 /毫升每分钟在垂直位置，水平位置和水每分钟要动员球。上的流量限制在1升/分钟的多余。最大工作压力10 p.s.i.g.（69千牛/平方米）。聚碳酸酯指标的措施30 x 57mm（1-1 / 5×1⁄4”）两23mm（。9）长管延伸接受6.4mm（1⁄4”）为9.5mm（3 / 8）内径管。整体尺寸为76 x57mm（3×1⁄/ 4”）。