This instrument is designed and manufactured as per standards GB/T 261-2008 Determination of Flash Point - Pensky-Martens closed cup method and ASTM D93 Standard Test Methods for Flash Point by Pensky-Martens Closed Cup Tester. It is used to make determination of the closed cup flash point of the petroleum products.
1. Heating device:(1) The furnace is silicon carbide material. Power is 600W.(2) The heating power is adjustable from 0 W to 600W.
2. Heating rate:Procedure A: (5~6)ºC/min, Procedure B (1~1.5)ºC/min.
3. Stirring device:(1)Stirring motor: BYGH101 stepping motor
(2) Driving mode: flexible shaft
(3) Shaft size: 8mm×40mm            
4. Stirring rate:Procedure A: (90~120)RPM, Procedure B: (250±10)RPM
5. Stand oil cup:(1)Internal diameter:50.7mm~50.8mm
(2) Depth: 55.7mm~56.0mm
(3) Marking depth of oil testing capacity: 33.9mm~34.3mm;
(4) Oil test capacity: about 70ml;
6. Igniting device: (1) Igniting source: gas(or other civilian fuels,the same below)
7. Suitable environment:(15~35)ºC

Shanghai Changji Geological Instrument Co.,Ltd is established in 1998,the former is Shanghai Geological Instrument Factory under the Ministry of  the National Geology and Mineral Resource.
Changji has four major series and more than 200 types products: more 140 types petroleum instruments,more 60 types highway instruments,each 10 types for laboratory instruments,Rotary viscosity instruments and geological instruments.Also we develop and produce more than 30 kinds of non-standard instruments according to the clients' special requirements each year.It depends on the complete category products,strong matching capacity and fast development ability,its products are not only widely used in China,but also sold and welcomed in 20 countries.