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Hardgrove Grindability Index Tester

Hardgrove Grindability Index Tester
Product Categories
Coal Testing Equipment
Standards
ASTM D409
ISO 5074

Hardgrove Grindability Index Tester – QualiHGI™ 60A

Hardgrove Grindability Index Tester – QualiHGI™ 60A is designed to measure the grindability of coal for use in power plants, the coal industry, metallurgy, and research applications.

  • Dimensions: 480 × 320 × 550 mm
  • Weight: 88 kg
Hardgrove Grindability Index Tester

Conformance to Standards

  • ISO 5074: Hard coal — Determination of Hardgrove Grindability Index
  • ASTM D409: Standard test method for determining the grindability of coal using the Hardgrove

Hardgrove Grindability Index Tester – QualiHGI™ 60A Features

  • Equipped with a microcomputer intelligent control system, it provides real-time display of operating status and process.
  • Highly automated functions include automatic lifting and loading, automatic rotation and counting, and automatic stop after 60 revolutions.
  • A built-in linear regression correction curve allows automatic calculation and calibration. It also features an emergency stop function and cumulative revolution counting upon restart.
  • The device includes a film keypad and LCD screen for easy operation. It can connect to a balance for automatic data storage and features a micro printer for date retrieval, automatic calculation, and result printing.

Hardgrove Grindability Index Tester – QualiHGI™ 60A Technical Specifications

Spindle RPM20±1r/min
Working Revolution60 r
Grinding Bowl Capacity50 g
Ball Diameter25.4 mm
Vertical Pressure of Grinding284±2 N
Voltage Requirement220V±10%, 50/60Hz (110V is also available)
Feed size0.63~1.25 mm

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