Purpose
The instrument is designed and made as per the National Standard of People's Republic of China GB/T261-2008 "Test Methods for Flash Point of Petroleum Products (Pensky-Martens Closed Cup Methods)". It is suitable to determine closed cup flash point of petroleum products having a flash point higher than 40degree as per GB/T261-2008.

Main technical specification and parameters
1. Power supply: AC 220V± 10%, 50 Hz;
2. Heating device:
(1) The furnace is made of SiC materials; Its power is 600 W;
(2) Heating power is adjustable in the range of 0~600W;
3. Sample temperature rising rate: 1~12degree per minute, manually controlled;
4. Electric stirring device:
(1) Stirring motor: 45TYZ Motor;
(2) Driving device: By a soft shaft;
(3) Stirring blade specification: 8× 40 mm;
5. Stirring speed: As per the requirement of GB/T261-2008;
(1) 90~120 RPM for procedure A;
(2) 250± 10 RPM for procedure B;
6. Standard oil cup: As per the requirement of GB/T261-2008;
(1) Inner diameter: 50.7~50.8 mm;
(2) Depth: 55.7~56.0 mm;
(3) Depth of Marked line on the oil cup: 33.9~34.3 mm;
(4) Oil sample cubage: About 70 ml;
7. Ignition device (Flame application device):
(1) Ignition source: Coal gas (or other civilian combustible gas);
(2) Aperture of ignition device: 0.8 mm;
8. Thermometer: Rod type Mercury Thermometer, as per GB/T261-2008;
(1) Temperature range: -5~110degree, Each scale division is 0.5 degree;
(2) Temperature range: 20~150degree, Each scale division is 1.0 degree;
(3) Temperature range: 90~370degree, Each scale division is 2 degree;
9. Ambient temperature: ≤ 35degree;
10. Relative humidity: ≤ 85%;
11. Total power consumption: Not more than 650 W