Model Number F21135, *F21125 F21130, *F21120 F21130-33, *F21125-33Dimensions - In.(cm)Overall Width 16 (40.6) 16 (40.6) 16 (40.6)Height 14.63, *14.75 14.63, *14.75 14.63, *14.75(37.2, *37.5) (37.2, *37.5) (37.2, *37.5)Chamber Width 12 (30.5) 12 (30.5) 12 (30.5)Height 1.0 & 2.0 Dia. 1.0 & 2.0 Dia. 1.0 & 2.0 Dia.(2.5 & 5) (2.5 & 5) (2.5 & 5)Weight - lbs (Kg) 19 lbs 5 oz (8.8) 19 lbs 5 oz (8.8) 19 lbs 5 oz (8.8)*19 lbs 12 oz (9.0) *19 lbs 12 oz (9.0) *19 lbs 12 oz (9.0)Electrical RatingsVolts 120 240 230Amps 11.25 5.6 5.4Watts 1350 1350 1240Freq. 50/60 50/60 50/60Phase 1 1 1Temperature 100 - 1200°C 100 - 1200°C 100 - 1200°CRatings °C *371 - 1100°C *371 - 1100°C *371 - 1100°C* For models with manual control.Temperatures specified, obtained with both 1.0” Dia. and 2.0” Dia. ceramic process tubes, 17” long.6General SpecificationsEnvironmental ConditionsOperating: 17°C - 27°C; 20% to 80% relative humidity, non-condensing. Installation Category II(over-voltage) in accordance with IEC 664. Pollution Degree 2 in accordance with IEC 664.Altitude limit: 2,000 meters.Storage: -25°C to 65°C; 10% to 85% relative humidity.