Active Oil Level Gauges are measuring and sensing instruments, which are needed to detect the level of gas & fluid in a tank. These devices are widely suited for industrial process applications. Also, these are utilized to measure the fluid levels in tanks, press vessels and drums. Active Oil Level Gauges are suited for the applications where direct physical measurement can be performed well. These are apt for the applications, where hazardous things can happen die to the inaccurate leveling of oil.