KERR 1258 Series, Operation Manual And Parts List

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5
General Specifications
Dimensions
Exterior
Width: 8.25” (209 mm)
Depth: 6.50” (165 mm)
Height: 13.50” (343 mm)
Chamber
Inside Diameter: 1.75” (45 mm)
Inside Depth: 5.625” (145 mm)
Crucible
Inside Diameter: 1.375” (35 mm)
Inside Depth: 4.125” (105 mm)
Shipping Weight
6.8 lbs. (3.0 kg)
Load Capacity
Gold: 930g (30 troy oz.)
Silver: 775g (25 troy oz.)
Brass: 680g (24 avoir oz.)
Aluminum: 227g (8 avoir oz.)
Electrical Specifications
Item No. 31809 Item No. 31808
Volts 120 230
Amps 6.2 3.3
Watts 750 750
Hz 50/60 50/60
Phase single single
Operating Parameters
Temperature Range: ambient to 1120°C/2050°F
Firing Time:
8 minutes to 538°C/1000°F
20 minutes to 982°C/1800°F
29 minutes to 1120°C/2050°F