Furnace

When performing BET analyses, the furnace must be removed to allow placement of a cold bath Dewar around the sample.

 

The equipment images in this topic may differ slightly from your equipment; however, the instructions are the same unless otherwise noted.

Furnace Removal

 

Use the cotton gloves provided in the accessory kit when handling heated surfaces. These cotton gloves are not intended to protect hands when heated surfaces are above 60 °C.

  1. Unplug the furnace power plug and the thermocouple cable from the analyzer.
  1. Latch
  2. Furnace thermocouple
  3. Furnace power plug
  1. Release the latch on the left side of the furnace, then open the furnace.

Support post

  1. Gently lift the right side of the furnace until it is free from the support post.

Retaining knob

Retaining knob

  1. Lower the furnace, moving it away from the support post until it is free of the retaining knob.
  2. Close the furnace and secure the furnace latch. Place the furnace in a location where it will be protected from damage.

Furnace Installation

 

The equipment images in this topic may differ slightly from your equipment; however, the instructions are the same unless otherwise noted.

  1. Hold the open furnace next to the furnace support post. Lift the furnace, moving it above the support post until the retaining knob is inserted in the hole in the top of the furnace.

Retaining knob

  1. When the retaining socket on the bottom of the furnace is located above the support post, gently lower the furnace until it rests securely on the post.

Support post

 

  1. When ready to begin the experiment, close the furnace around the sample tube and secure the latch.
  2. Plug the thermocouple cable and the furnace power cable into the appropriate connectors on the analyzer. These connectors are located on the recessed front panel.