Check the listing for details. BEP Marine 600-TLM-SIF Tank Level Monitor Sender Interface Module NEW. Condition: New. Listed at 59.99 USD. BEP Marine 600-TLM-SIF Tank Level Monitor Sender Interface Module NEW Unlock seamless integration of your tank sender with this BEP Marine Tank Sender Interface. A crucial component for marine electrical systems, this interface converts tank sender readings, specifically 1800hm to 0-5V MC5, ensuring accurate and reliable data transmission. Imagine confidently monitoring your tank levels during a long voyage or while anchored in a secluded cove. Perfect for boat owners seeking precision and ease of use. Brand New Fast shipping (same business day)