These furnaces are especially used for the assay of precious metals and ashing processes where the insulation and heating must be protected from emerging gasses and vapours. The furnace chamber forms a ceramic muffle which can easily be replaced. The assay furnace is equipped with an integrated exhaust hood above the furnace door for connection to and exhaust sytem.

    • Muffle heated from four sides (three sides for model N 25/13 CUP)
    • Heating elements and insulation protected by muffle
    • Simple replacement of muffle
    • Warm furnace can be opened
    • Tool holder on furnace
    • Stainless steel exhaust chimney above the door opening for connection of an exhaust system
    • Dual shell housing with fan cooling to reduce exterior temperatures
    • Defined application within the constraints of the operating instructions

    Additional equipment

    • Base frame on castors (not for model N 4/13 CUP)

    Pit-type furnace with rolling lid

    • For bigger charges we offer pit-type furnaces as assay furnaces



    Model Tmax Inner dimensions in mm Volume Outer dimensions in mm Connected Electrical Weight
      °C w d h in l W D H load kW connection* in kg
    N 4/13 CUP 1280 185 250 80 3.7 750 675 5201 3 1-phase 65
    N 8/13 CUP 1300 260 340 95 8.0 900 1335 2100 22 3-phase 510
    N 25/13 CUP 1300 250 500 250 25,0 1050 1200 15202 15 3-phase 280

    Product Inquiry Form
  • N 8/13 CUP with optional base frame on castors N 25/13 CUP
    Laboratory assay furnace N 4/13 CUP Pit-type furnace S 73/HS with rolling lid