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| These furnaces are designed for light to medium duty applications where rapid thermal response is a primary requirement. Powerful, free radiating coiled wire elements are held firmly in the sides and roof of the chamber, which is constructed from rigedised low thermal mass insulation. A hard, dust-free, ceramic hearth provides a robust base for the furnace charge. This combination of high power and low thermal mass gives a heat up time from ambient to 1100°C is as little as 10 minutes, whilst rapid cooling can be induced by opening the furnace door during cool down. Other performance criteria are not compromised, with temperature uniformity, efficiency and control precision remaining excellent. Chamber sizes are 5, 13 and 23 litres with maximum
temperatures of 1100°C and 1200°C. |
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| Model RWF | 5 litre | 13 litre | 23 litre |
| Maximum Temperature (°C) | 1100°C 1200°C |
1100°C 1200°C |
1100°C 1200°C |
| Internal Dimensions (mm) height width depth |
130 160 250 |
195 210 325 |
220 260 400 |
| External Dimensions (mm) (see note 3) height width depth |
585 375 485 |
655 435 610 |
705 505 675 |
| Weight (Kg) | 28 | 45 | 65 |
| Max Power (watts) | 2750 | 5000 | 9100 |
| Holding Power (watts) (see note 1) Model 1100°C Model 1200°C |
680 820 |
1200 1450 |
1800 2100 |
| Nominal Heat Up Time (mins) (see note 4) Model 1100°C Model 1200°C |
10 12 |
11 13 |
13 15 |
| Uniform Envelope (mm) (see notes 1 & 2) H x W x D (+/-5°C) Model 1100°C Model 1200°C | 80 x 110 x 150 80 x 110 x 175 |
115 x 130 x 225 115 x 130 x 235 |
140 x 180 x 275 140 x 180 x 300 |
| Temperature Sensor Model 1100°C Model 1200°C |
Type K thermocouple Type R thermocouple |
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| note 1: Measured at 100°C below maximum temperature,
based on 240v supply, with empty chamber. note 2: Uniformity graphs available on request. 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. |
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