10-300m Portable Deep Well Water Level Meter,Well Depth Sounder,Groundwater Measurement,Accurate Indicator Steel Ruler for Repairers(200m(656ft))

【High-Precision Water Depth Measurement】This professional water level meter provides accurate readings in centimeters, with 1mm resolution and ≤2mm repeatability. Operating within a temperature range of -20°C to +60°C, it ensures reliable groundwater monitoring for wells, boreholes, and dam seepage line inspections. Available in measuring lengths from 10/20/30/50/100/150/200/300m. 【Clear Graduated Tape】Experience the most precise method of water level measurement with this instrument's gold-toned stainless steel measuring tape. The clear, etched graduations allow for convenient and direct depth reading right at the wellhead. Made from corrosion-resistant materials, this cable is built to withstand harsh environmental conditions, ensuring long-term durability and stable performance. 【Durable Construction】The water level gauge consists of a probe, steel tape, receiver, and winding reel. The 304 stainless steel probe includes water-proof contacts for durability and long-lasting water resistance. To maintain accuracy and extend the life of the device, handle the probe with care and avoid bending the tape—especially near the probe connection. 【Battery Powered】The groundwater levels gauge is powered by a 9V battery, which is convenient for construction and portability, and saves the trouble of connecting another power cord(Package not include battery) 【Versatile Applications】 This well water level meter sensor works for wells, boreholes, tanks, pipes, and garden ponds—suitable for groundwater gauge, pipe inspection, irrigation, drilling. A must-have reliable water level probe measurement tool for residential or large-scale projects.