Fully Automatic Penetrometer for Wax or Bitumen

Application:
The instrument is designed and made as per the requirements about penetrometer and its accessories stipulated in the National Standard GB/T 4985 “Test Methods for Needle Penetration of Wax”.
 The needle penetration of wax is expressed as the depth that a standard needle of 100 g vertically penetrates into a wax sample without any measurable friction in 5 s at 25 ℃.
 The test temperature for wax penetration is 25 ℃ in general.
 Each wax penetration is 0.1 mm. It is directly shown on display.

Technical parameters:
 Timing selection: 5, 8, 10, 12, 30 or 60 s;
 Timing error: less than ±0.1 s;
 Penetration accuracy: ±0.1 penetration;
 Maximum penetration: 600 penetrations;
 Standard needle: 2.5±0.05 g;
 Constant temperature bath: made of harden glass;
 Mold: 25×32×3mm, a brass cylinder;
 Brass board: 65×40×6.5mm;
 Heating power: 220 W;