The GLTV4 is a mechanical fuel tank level gauge designed for applications such as fuel and water tanks. It features a measurement range of 120-700 mm for the aluminum alloy version and 100-600 mm for the plastic version. The gauge offers signal outputs of 0-190Ω or 240-33Ω, catering to various system requirements. Constructed from durable materials, it operates effectively within a temperature range of -45°C to 80°C. The GLTV4 is equipped with standard threading options, including M452 and BSP1 1/2 for the aluminum alloy model, and M575 for the plastic model. Additionally, it provides an optional standard 6-hole welding flange for versatile installation.