Cole-Parmer Datasheets for Liquid Level Sensors

Liquid level sensors are used to detect liquid levels or interfaces between liquids such as oil and water or liquids and solids. 
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Product Name Notes
Water-Level Indicator, stainless steel probe, 100 ft cable, 0.01 ft increments -- GO-99050-00 • Ideal for measuring groundwater levels in wells and standpipes • Narrow, stainless steel indicator probe This water-level indicator fits into narrow openings<emdash>indicator probe measures only 6-5/8"L x 3/8" OD.
WLT100 : Water Level Indicator 100FT. -- GO-99050-10
WLT200 : Water Level Indicator 200FT -- GO-99050-12
WLT300 : Water Level Indicator 300FT -- GO-99050-14
WLT400 - WLT400 : Water Level Indicator 400FT With 1/2inDIA Brass Probe -- GO-99050-18
WLT500 : Water Level Indicator 500FT -- GO-99050-16
Contact of the electrode assembly with the water surface is indicated by an LED and the sound of the audio alert beeper. The brass electrode assembly is 3/8†in diameter...