SBEM’s Automatic Tank Level Gauge (ATLG) Series, including Series 133 LS with Liquid Seal Assembly, Series 133 TWT with Limit Switch Assembly, 133 STDT (Smart Tank Data Transmitter), and 133 ATLG, offers a comprehensive and reliable solution for accurate tank gauging in global storage and process industries. Designed for precision and safety, these systems ensure dependable measurement and transmission of liquid levels and temperatures in large storage tanks. The 133 STDT features microprocessor-based technology with RS485 digital transmission, flameproof enclosures, and optional multi-point temperature sensors, enabling integration with SBEM or other gauge types. The 133 LS and 133 TWT variants enhance operational safety and automation through liquid sealing and limit switching mechanisms. All models support remote monitoring, diagnostic capabilities, and interface with standard PCs and printers. Ideal for refineries, terminals, and chemical plants, SBEM’s ATLG range ensures efficient, accurate, and scalable tank inventory management across global installations.