Cooling Industry Awards 2009 Winner: "Environmental Product of the Year: Refrigeration" Manufacturer of Calibrated Reference Leaks for testing the calibration of 'sniffer' type leak detectors. Leak Detection Specialist estd. 1981 Bespoke leak detection systems and solutions including training, system design and project consultancy. Manufacturer of stainless steel vacuum Components and Fittings and bespoke vacuum Chambers. LS Series of Calibrated reference leaks available for applications across the refrigeration industry. Reference leaks are recommended by the IOR for use in checking the accuracy of leak detectors as demanded by surrent FGas legislation.