It is mainly used for measuring penetration of residue after distillation test of ropiness petroleum asphalt, ropiness shale asphalt, asphalt and liquid petroleum asphalt.Asphalt penetration is height of standard needle vertically penetrating into the sample in the vertical temperature and time.

Main technical parameters:

    1、Minimum indexing: 0.01 mm

    2、Maximum range: 50: error: 0.06 mm

    3、Total weight of needle connecting rod, poise, standard needle: 100 + 0.05 g 150 + 0.05 g

    4、Four dit LCD display:

    5、1000 figures can be stored in the singlechip

    6、Power Supply: 220V/50Hz

    7、Sample pan, made of metal,flat-bottomed tubular, size Φ 70 x 45 for: Φ 55 x 35 (mm)

    8、Flat-bottomed insulation vessel:made of glass,capacity＞l.5L,depth＞60mm;includes a lampstand for placing sample pan

    9、Working Platform has adjustable device