Coltraco Ltd is an ISO 9001 manufacturer who designs and manufactures a specialised range of ultrasonic monitoring and preventative maintenance instrumentation used in the marine, fire protection, offshore petrochemical, industrial, process, defence, government and rail industries. Our main products are the Portascanner hatchcover integrity tester, Portagauge II thickness gauge and other thickness gauges, drug and alcohol test kits and other portable instrumentation. Our team will ensure that all orders are dealt with professionally and promptly with a full follow up support service to guarantee efficient customer service.