GD-2801G Paraffin Penetrometer/Wax Penetration
I.Summary
1. GD-2801G Paraffin Penetrometer is designed and made as per the National Standard of People's Republic of China GB/T4985 "Test Methods for Penetration of Petroleum Wax". The penetration needle and other accessories equipped with the instrument can meet the requirements of GB/T4985.
2.The penetration of wax is expressed as the depth that a standard needle of 100 g vertically penetrates into a sample without measurable fraction in 5 seconds.It is used to evaluate the hardness of wax.
3.In general, the testing temperature for wax penetration test is 25 °C. You can make measurement for needle penetration at a temperature in the range of 25~55 °C. But you should report the test temperature if it is not 25 °C.
4.The unit of wax penetration is 0.1 mm. It can be read directly from the display.
II.Main technical specifications and parameters
1.Measurement range: 0~600 penetrations
2.Timing device: you canselect 5 s, 8 s, 10 s, 12 s, 30 s, and 60 s; Timing error is less than ±0.1 s
3.Resolution: 0.01 mm
4.Penetration accuracy: ±1 penetration
5.Heater power: 200 W
6.Temperature controlling accuracy: 25±0.1 °C (Note: The ambient temperature should not be higher than 20 °C)
7.Temperature controlling mode: by a high precision digital temperature controller
8.Constant temperature bath: Harden glass bath
9.Bath stirring: automatically stirred by a magnetic stirring wheel
10.Standard needle: 2.5±0.05 g, as per GB/T4985
11.Lifting holder: With coarse and fine adjustment functions; it is used to let the needle point just touch the sample surface
12.Others: Equipped with a cold light source and a magnifier; It is convenient for instrument operation
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