The S3 Tank Level Sender is a durable 316 stainless steel sensor for measuring fuel, water, and other liquid levels. It uses a magnetic float mechanism with reed switches for precise readings, minimizing mechanical wear. Designed for marine and industrial use, it features a 1¼” BSP male thread for easy installation and comes in lengths from 150mm to 1600mm. With resistance outputs of 0-190Ω (EU) or 240-30Ω (US), it is compatible with various gauges. Built to withstand harsh conditions, it includes anti-vibration and anti-explosion protection for long-lasting performance.