Specification :

Swelling number furnace ( SNF)
Product of Carbolite
Specification :
- For tests in accordance with BS1016 : 107, ISO 501 and ASTM D720
- Maximum temperature : 900° C
- Heating element : Yttria stabilised iron chrome aluminium alloy resistance wire wound around an SiO2 tube.
- Temperature sensor : NiCr/ NiAl thermocouple Type K.
- Crucible information:
Capacity : 17ml
External height : 26mm
External diameter at top : 41mm
Internal diameter at base : 11mm
- Crucible holder : Supplied with wire type crucible holder
- Door switch : The nature of the test requires the heating element to remain on when the furnace lid is open, so no door switch is fitted. As a safety measure, a 30mA residual current circuit breaker is built into the furnace.
- Controls : The furnace is offered with a choice of different PID digital temperature controllers.