Specifications

Furnace Programming

Refer to “Programmable Models” in this manual to pro-

gram in the following values for performing ASTM specifi-

cation D3174.

PR1 (Ramp 1) value is 8°C/minutes

PL1 (Level 1) value is 500°C

PD1 (Dwell 1) value is 0 minutes

PR2 (Ramp 2) value is 6°C/minutes

PL2 (Level 2) value is 750°C

PD2 (Dwell 2) value is 120 minutes

PR3 (Ramp 3) value is END (for 8 ramp & 8

dwell controller)

PLC (Loop Center) value is 1

Included with this furnace are two stainless steel trays

which will hold crucibles of quartz jars. Use the appropri-

ate side for the type of crucible you are using. A remov-

able handle is also provided to use in loading and unload-

ing the trays from the furnace.

Shelf Location

1. The side walls of the chamber contain twenty

four holes (.250 inch dia.) which allow adjust-

ment of the two perforated shelves at various

heights within the chamber.

2. Using the eight, .250 inch diameter porcelain

pegs, insert four pegs in the bottom row of

holes.

3. Next insert the remaining four pegs in fourth row

of holes and insert the two perforated shelves .

4. Check for proper fit at this point by inserting the

crucible trays.

Operation

1. Insert crucible trays. One tray per shelf.

2. Close the furnace door.

INSTALLATION AND OPERATION OF AIR CONTROL