Hard coal testing

Plastometer PM 04n

Plastometer PM 04n

This instrument is designed to measure plastic properties of coal. This is done by putting constant torque on a stirrer that has been pressed with the measured material in a retort. The test corresponds to the norm ASTM D2639 - 08 Plastic properties of coal by the constant-torque Gieseler plastometer.

Dilatometer AA 04n

Dilatometer AA 04n

This instrument is designed to test coal according to norms ISO 349 and ISO 8264 ("Determination of the swelling properties using a dilatometer"). Standardized vertical furnace is designed for four dilatometric tubes (retorts), which allows measurement of four samples of coal at the same time. The sample height is measured by LVDT (linear variable differential transformer) sensors.



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