What makes the WL500 different from other YSI water level instruments? Water entering the well from casing leaks or perforations about the water level will not affect the depth gauge's measurements. ![]() Two conductors make a separate ground connection unnecessary, so the instrument will function equally well in uncased test holes or in uncased wells in rock. The depth sounder is battery operated, thus there is no danger of shock from an outside power supply. The tape reels are built of resistant polycarbonate (or, for units with over 400 ft cable, of lighter aluminum The well level sounder consists of a strong NTS-certified polyethylene jacketed measuring tape that will accurately read to 0.01 foot or 1 mm. The water level sounder detects the bottom of the well using a specially engineered tip that causes the sounder's audio alarm to cease when the bottom of the well is reached. When the water level sounder's probe assembly makes contact with the surface of the water, a bright LED glows and a beeper sounds on the reel. This provides unparalleled accuracy when compared to the flat white tapes, where kinks in the tape introduce slight errors, in addition to the displacement of water changing the static level. The flat spring steel core ensures that the level sounder will hang perfectly straight in large and small diameter wells. The water level sounder's electronics module can be removed so that the entire reel and tape can be cleaned and decontaminated. The water level sounder's sensor electronics are encapsulated in a water and dust proof housing. The Water Level Sounder uses a full depth-rated stainless steel and Teflon probe that is 5/8-inch (16 mm) in diameter. Audio alert beeper and LED indicate contact with the water.Tape marked in 1 foot and 0.01 foot intervals with up to 2000 feet in length.Long lasting flexible link between the tape and probe.Full depth stainless steel and Teflon probe.Strong and accurate NTS certified tape with stainless conductors.Water and dust-proof encapsulated electronics.Large, ergonomic brake and soft grip vinyl winding handle.Corrosion-resistant stainless steel fittings.Durable polyester powder-coated steel frame.Precision measurement, simplicity, and durability.It is provides trouble free operation in wells with falling water and heavy oils slicks, even if the well is not cased. Global Water's WL500 Well Level Sounder is ideal for detecting water levels and well bottoms with high precision. Find a Systems Regional Integration Center.Bioprocessing and Online Monitoring & Control.Wastewater Process Monitors and Sensors.Reagents, Membranes and Calibration Solutions. ![]() Level Gauging, Flow and Data Acquisition. ![]() Aquaculture Process Monitors and Sensors.Acoustic Doppler Current Profilers ADCPs and Current Meters.
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