At a maximum temperature of 1200°C, these ovens can take in work tubes with diameters from 15 mm to 150 mm. Altogether, seven heated lengths from 300 mm to 1200 mm are offered in both horizontal and vertical versions. All models are available with one or three controller zones. Especially the three-zone-ovens have a very good and long zone of homogenous temperature distribution. The resistance wire is partially embedded in vacuum-formed modules of high-quality fiber insulation and emits heat with bare lamps. By means of exchangeable end-insulating disks, the ovens can be quickly adjusted to tubes with differing diameters, the tubes just have to be inserted in the oven.
The horizontal ovens of the G-series stand directly on a controller box with modern design. The vertical models are available with a separate controller unit. Thus, both horizontal or vertical operation is possible, as well as wall fastening.