A set of high & low temperature water bath is added to the conepenetrometer. The heat preservation pan for water bath is connected to the high and low temperature water bath, applicable for experiments under the temperatures of 5℃, 10℃,15℃,25℃. (the water bath is applicable for Marshall test sample test. The device automatically controls temperature and timing. Displacemeter is used for measuring penetration degree to calculate average &#118alues automatically. The magnifier with 20 times enlargement and spotlight are equipped, which makes it easy and clear. Technical parameters: 1 Range of measurement 0~50mm±0.1mm Accuracy of measurement ±0.1mm(Minimum testing &#118alue display 0.01mm) 2 Total weight of standard index and connection rod 50±0.05g Weight of poise: 50±0.05g 3 Accuracy of temperature control ±0.1℃ Automatic timing 5S, 60S±0.1S 4 Power of compressor: 220V~150W Range of temperature control: 0-80℃ |