Professional 98ft/30m Water Level Indicator — Fixed 0.99-inch Probe, 9V Battery-Powered Groundwater Depth Gauge

Portable, battery-operated design: Runs on a 9V battery (not included) for convenient outdoor use and easy setup — assemble and transport the unit without needing external power. Rugged probe and construction: The sensing probe is made from 304 stainless steel and includes built-in waterproof contacts. The device's durable build is organized into four core components: probe, steel ruler cable, receiving system, and reel, providing long-lasting, stable performance. Instant contact detection and alerts: The system locks the reading the moment the probe touches the water; when the probe is withdrawn, an alert light and buzzer indicate the event for clear, unmistakable feedback. Precision specifications: 98ft/30m measuring range with a minimum reading of 1mm and repeatability error less than or equal to 2mm (measured in centimeters). The unit uses a 0.99-inch probe and is designed for straightforward disassembly and cleaning. Ideal for groundwater monitoring: Engineered for observing groundwater and measuring liquid levels in wells, reservoirs, boreholes and water pipes, making it suitable for professional and field applications.