HGI tester SDHG60a
for coalindustrialautomatic

HGI tester
HGI tester
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Test type
Tested product
for coal
Other characteristics
automatic, PC-controllable


Application This instrument can be used to determine grindability of coal in coal industry, power plants, metallurgical industry and scientific research, etc. Conformance to Standards SO 5074:1994 Hard coal–Determination of Hardgrove Grindability Index. ASTM D409-08 Standard Test Method for Grindability of Coal by the Hardgrove-Machine Method. Specification Spindle RPM 20±1r/min Working Revolution 60r Grinding Bowl Capacity 50g Ball Diameter 25.4mm Vertical Pressure of Grinding 284±2N Power Requirement 220V, 50/60 Hz Feed size 0.63~1.25mm Highlights: ①With microcomputer intelligent controlling system, real time display of working status and process. ②High automation: Auto-lifting and loading, automatic revolution and counting, and stop automatically after 60 round. ③With built-in linear regression correction curve, calculation and calibration can be finished automatically. ④With emergency stop function. If restart, revolution counting can accumulate. ⑤With film key and LCD screen, it's easy to operate. ⑥Connection with balance is available; Data can be stored automatically; With micro-printer, it can realize the functions of date query, automatic calculation, result print and so on. Conformance to standard ISO 5074:1994 Hard coal – Determination of Hardgrove Grindability Index. ASTM D 409-08 Standard Test Method for Grindability of Coal by the Hardgrove-Machine Method.


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