Durable and inexpensive, the Model 102 Coaxial Cable Water Level Indicators from Solinst (Canada) are designed to accurately measure water levels in narrow applications. They use a choice of two small diameter probe designs, attached to narrow coaxial cable, fitted on an ergonomic reel. The cable has accurate laser markings every millimeter or 1 /I 00 ft, in lengths up to 300 m (1000 ft). A 9V battery powers the Indicator.
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机译：来自加拿大Solinst的102型同轴电缆水位指示器经久耐用且价格低廉，旨在精确测量狭窄应用中的水位。他们使用两种小直径探头设计中的一种，它们安装在符合人体工程学的卷轴上的窄同轴电缆上。电缆每毫米或1 / I 00 ft都有准确的激光标记，长度最大为300 m（1000 ft）。 9V电池为指示器供电。
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