Ltd.Gas Chromatographs (GC), Thermal conductivity Detector (TCD), Flame Ionization Detector (FID), Head Space Sampler, Data Processing System, Nitrogen Generator, Air Generator, Gas Purification Panel Over the years, the company consolidated its position and today its products are well established in the market and are in use in all parts of India. The goal of the company is to serve the scientific community through highly reliable instruments. To achieve this modern manufacturing techniques are used and strict quality control steps are taken right from input stage, manufacturing process and the final product. The product range of Sigma include Gas Chromatographs, Data Acquisition systems, Portable Gas Chromatographs, Online Gas Chromatographs, Split- Open Furnace and Micro-Pulse Reactors (for catalytic studies). The company also has plans to manufacture custom-built instrumentation which are not covered by conventional instruments but are a necessity for the user. The customer range served by Sigma is diverse and include industries (Bayer ABS Limited, Indian Petrochemicals Corporation Limited, Gujarat State Fertilizers Corporation, BHEL, Assam Petrochemicals, Cochin Refineries etc.), modern research labs (Dept. of Atomic Energy, Indian Institute of Petroleum - Dehradun, CSIR laboratories, ONGC etc.), academic institutions (IITs, Sardar Patel University, BHU - Varanasi, REC - Surankkal & Surat, S.
