1. Purpose and Application:

   • Unattended grinding of non-gummy and non-fibrous materials.
   • Specifically designed for preparing coal samples for calorific tests.

2. Grinding Mechanism:

   • Mortar revolves, and the pestle moves in a back-and-forth pattern, reaching all parts of the mortar.
   • F.H.P. (Fractional Horsepower) motor drives a detachable turntable of cast aluminum.

3. Housing and Motor Compatibility:

   • Metallic housing for durability.
   • Adjustable posts to hold motors of 75 to 135 mm diameter.

4. Pestle Mechanism:

   • Arm of the pestle driving mechanism is hinged.
   • Heavy head that can be raised to inspect, remove samples, or add additional material.

5. Built-in Timer:

   • Timer functionality allows the selection of grinding operations up to 60 minutes.
   • Enhances precision in the grinding process.

6. Safety and Observation:

   • Grinding vessel and mortar are completely covered by a clear acrylic cover.
   • Allows visual monitoring of the grinding process while ensuring user safety.

7. Power Requirements:

   • Operates on 220 Volts A.C.
   • Compatible with common electrical systems.

8. Mortar & Pestle:

   • 100mm diameter Agate Mortar & Pestle.
   • Agate material chosen for its hardness and resistance to chemical corrosion.

9. Additional Timer Feature:

   • Includes a 0-60 minute Mechanical Timer for added control over the grinding duration.

    

Specification:

1. Operation:

   • Unattended grinding operation for convenience.
   • Specifically designed for non-gummy and non-fibrous materials.
   • Ideal for preparing coal samples for calorific tests.

2. Construction:

   • Sturdy metallic housing for durability and stability during operation.
   • Detachable turntable made of cast aluminum for efficient grinding.

3. Pestle Mechanism:

   • Hinged arm with a heavy head for effective grinding.
   • The head can be raised for sample inspection, removal, or addition of extra material.

4. Timer:

   • Built-in timer for precise control of grinding duration.
   • Adjustable timer settings up to 60 minutes.

5. Covering:

   • Clear acrylic cover completely enclosing the grinding vessel and mortar.
   • Provides safety during operation and allows visual monitoring of the grinding process.

6. Power:

   • Operates on a standard 220 Volts A.C. power supply.
   • Equipped with a motor suitable for 75 to 135 mm diameter.

7. Mortar & Pestle:

   • Comes with a high-quality 100mm diameter Agate Mortar & Pestle.
   • Agate material ensures hardness and resistance to chemical corrosion.

8. Additional Feature:

   • Includes a 0-60 minute mechanical timer for added control and automation.