Horizontal tube furnace adopt a 40, 60, 70, 80 or 100mm O.D quartz tube and a pair of stainless steel vacuum sealing flanges with needle valves & gauge allow heating samples under vacuum or gas flow conditions. The temperature of this tube furnace is controlled by a high precision digital controller which provides 51 programmable segments with +/- 1℃ accuracy. The max. working temperature is 1200℃.
| Ⅰ. Technical Specifications | |
| Max. temperature | 1200 ℃ (<2 hours) |
| Working temperature | 700-1100 ℃ |
Standard Temperature controlling | PID automatic control via SCR (Silicon Controlled Rectifier) power control with phase angle fired, current limiting resistor. |
51 programmable segments for precise control of heating rate, cooling rate and dwell time. | |
| Built in PID Auto-Tune function with overheating & broken thermocouple broken protection. | |
| Over temperature protection and alarm allows for operation without attendant. | |
Optional of Temperature | Software (Furnace can be operated by PC by installing a control software ) |
| Touch screen temperature controller | |
| Temperature accuracy | ±1 ℃ |
| Heating rate | <20 ℃/min |
| Thermocouple | K type (Pt-Rh) with 99.7% purity Alumina tube |
| Heating element | Fe-Mo-Cr sprial wire |
| Furnace Chamber | Two layers of ceramic fiber insulation materials |
| 1. First layer: 1430 ℃ ceramic fiber board | |
| 2. Second layer: 1260 ℃ ceramic fiber board | |
| Furnace structure | Double layer steel casing with dual cooling fan, surface temperature below 60℃. |
| Vacuum system | Double stage rotary vane vacuum pump with magnetic valve to prevent the oil absorbed to tube. |
| Self-expansion type double silicon ring flange, 304 stainless steel HCP. | |
| Needle valve + Mechanical vacuum gauge + Discharge valve | |
| Warranty | One year limited warranty with lifetime support. (Consumable parts such as heating elements and crucibles are not covered by the warranty, please order the replacement at related products) |
| ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of One Year Limited Warranty. | |
| Certifications | CE |
| Ⅱ. Application Notes | |
| Using Attentions | Cooling rate shall also not exceed 5℃ /min. |
| Toxic or explosive gases are not recommended for use with this furnace without necessary safety controls and supervision. | |
| Small cracks may appear on the surface of the refractory ceramics over extended use. | |
| The tube furnace is avoid use vacuum above 1500℃, otherwise the tube will be serious deformation. | |
Standard Size:
| Type | Max.Temperature(℃) | Furnace Chamber Size(mm) (Diameter*Heating zone) | Constant temperature zone(mm) | Rated Power(kw) | |
| JHP3- 40/300 | 1200 | 40 | 300 | 100 | 2 |
| JHP3-60/300 | 1200 | 60 | 300 | 100 | 3 |
| JHP3-80/300 | 1200 | 80 | 300 | 100 | 4 |
| JHP3-100/300 | 1200 | 100 | 300 | 100 | 6 |
| JHP3-120/300 | 1200 | 120 | 300 | 100 | 8 |
| JHP3-40/450 | 1200 | 40 | 450 | 150 | 3 |
| JHP3-60/450 | 1200 | 60 | 450 | 150 | 4.5 |
| JHP3-80/450 | 1200 | 80 | 450 | 150 | 6 |
| JHP3-100/450 | 1200 | 100 | 450 | 150 | 8 |
| JHP3-120/450 | 1200 | 120 | 450 | 150 | 9 |
| Note: | Special size is customizable. | ||||
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