Purpose and scope:

    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 40 °C as per GB/T261-2008. Refer to ASTM D93.

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: 1～12°C 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: -5～110°C, Each scale division is 0.5 °C;

    (2) Temperature range: 20～150°C, Each scale division is 1.0 °C;

    (3) Temperature range: 90～370°C, Each scale division is 2°C;

    9. Ambient temperature: ≤35°C;

    10. Relative humidity: ≤85％;

    11. Total power consumption: not more than 650 W;

    12. Dimensions (m): 0.42*0.35*0.35

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: 1～12°C 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: -5～110°C, Each scale division is 0.5 °C;

(2) Temperature range: 20～150°C, Each scale division is 1.0 °C;

(3) Temperature range: 90～370°C, Each scale division is 2°C;

9. Ambient temperature: ≤35°C;

10. Relative humidity: ≤85％;

11. Total power consumption: not more than 650 W;

12. Dimensions (m): 0.42*0.35*0.35