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| These furnaces offer the large capacity and robust construction required for general workshop use, together with the performance capabilities and case style of the smaller laboratory models. Traditional hard wearing refractory materials used for the chamber entrance and hearth plate provide good resistance to accidental damage and a solid support for hevier furnace loads. Free radiating coiled wire elements supported in open grooves, together with low thermal mass insulation, typically power these furnaces to working temperature in approximately 40 minutes, and provide efficient and reliable operation. Removable instrument and back panels allow good service access to the case interior, whilst heating element coils are easily and quickly replaced through the door opening. Chamber sizes are 36 and 65 litres, with maximum temperatures of 1200°C and 1300°C. |   |
| Model GPC | 12/36 | 12/65 | 13/36 | 13/65 |
| Maximum Temperature (°C) | 1200°C | 1200°C | 1300°C | 1300°C |
| Internal Dimensions (mm) height width depth | 250 320 450 | 280 390 595 | 250 320 450 | 280 390 595 |
| External Dimensions (mm) (see note 3) height width depth | 810 690 780 | 885 780 945 | 810 690 780 | 885 780 945 |
| Weight (Kg) | 120 | 165 | 120 | 165 |
| Max Power (watts) | 9000 | 14000 | 9000 | 14000 |
| Holding Power (watts) | 2700 | 3500 | 3200 | 4100 |
| Nominal Heat Up Time (mins) (see note 4) | 37 | 40 | 47 | 45 |
| Uniform Envelope (mm) (at 1200°C +/-5°C) (see note 2) height width depth | 170 240 375 | 200 310 520 | 170 240 375 | 200 310 520 |
| Temperature Sensor | Type R thermocouple | |||
| note 2: Uniformity graphs available on request.Based on 240v supply. note 3: All external dimensions are taken with the door closed and include the chimney. note 4: To 100°C below maximum temperature with empty chamber. | ||||