Choudhary instrument manufacturing company supplies pensky marten type flash point apparatus, as per specification ip 34 and is: 1448 [part 1, p: 21]. Flash point apparatus is used to decide closed flash point of fuel oils, lubricating oils, above 49°c [120°f]. This apparatus is made of a cast iron bath provided with brass/gun metal cup-cover. The machinery includes flame arrangement, shutter mechanism, hand operated stirrer and a pilot jet for relighting test flame automatically. The inbuilt air bath is enclosed with dome shaped metal top and the cup is fitted with insulated handle and locking arrangement near cup flange. To convert the closed cup test to open cup test as per ip 35 methods, a open clip can be supplied according to requirements.