Carbolite SNF Swelling Number Index Furnace

Code: SNF Furnace
  • Swelling Index Number Furnace
  • 900C
  • Standard Complaint

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Carbolite Gero SNF Swelling Number Index Furnace 900°C.

This furnace is designed to test swelling index number of coal in compliance with standards BS ISO 501:2012 hard coal – determination of the crucible swelling number and ASTM D720-91(2010) standard test method for the free-swelling index of coal.  A known mass of coal is heated within a crucible in adherence to a set procedure, after the process, a swelling number can be arrived at by comparison of the size and shape of the residual to referenced outlines.

  • Chamber dimensions height 330 x width 410 x depth 300 mm
  • Compliant with BS 1016-107.1:1991
  • Power supply 220-240v single phase
  • Weight 26kg

The furnace has a 2132 controller fitted as standard, and a crucible wire holder is supplied. Continuous operating temperature is 850C; maximum power consumption is 800 watts. External crucible height 26mm, outer diameter 41mm, internal diameter at the base 11mm.

For protection, a 30 mA (RCD) residual current device is standard.

Options

  • Over Temperature Protection for long periods of unattended operation
  • Additional crucibles and lids available
  • Spares Kit which includes a thermocouple, thermocouple sheath, heating element, solid-state relay (SSR) and door insulation piece
  • Choice of eight or twenty segment digital controllers, with RS232, RS485 communication options

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Title Size
SNF 172 KB

Additional information

Weight0.09 kg