Three models of endotoxin measurement systems are exhibited. Toxinometer® ET-6000 is excellent in operability and extensibility, and it corresponds to the three methods of Turbidimetric technique, Chromogenic technique and Gel-clot technique. Toxinometer® ET-6000 supports the test method in accordance with Japanese, US and European pharmacopoeia. Toxinometer® ET-Mini is compatible with Turbidimetric technique. Although it does not comply with the Pharmacopoeia test method, it is a system that can measure quickly and easily. Endosafe® nexgen-PTS corresponds to Chromogenic technique and has FDA approval. Furthermore, it is a compact measuring system that can measure for about 15 minutes and is easy to carry.