As a common phenomenon, there are various competitors targeting each other and working to lead the industry solely. There are various situations where one led the other but out of all competitors claiming to be on the top, Coltraco Limited; UK has smoothly stabilized its position from ever to forever. Since 1987, we have been attending people with amazing ultrasonic monitoring instruments, which are being designed and manufactured for safety and servicing. Moreover, the first range of Portalevel® up till now, there are so many ranges and instruments produced which has helped to improved monitoring system of fire extinguishers in every possible way. Portalevel® is an ultrasonic liquid level indicator which is expert to do the job it is reserved for. Today, Coltraco Ltd has successfully released 7 generation of this ultrasonic level indicator. ... Read more »