0-2000°C RESEARCH MATERIAL & HEATING TREATMENT'S LEADER
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| Power | 1.Voltage: Single-phase 208 - 240 VAC / 50/60Hz, (25 A breaker installed) 2.3 KW max. 3.Note： Power cable included but without the plug. Please install a plug by your own or click link below the picture to choose a plug according to your country or your lab requirement |
| Working Temperature | 1.<= 1000 °C continuously 2.Max. 1100 °C, < 30 minutes 3.Temperature Uniformity: +/- 2°C |
| Heating Rate | 1.Max. 20°C/ min 2.Recommended. 10°C/ min |
| Heating Elements | High-quality Ni-Cr-Al resistance wire |
| Quartz Tube & Effective Heating | 1.Tube size: 8" O.D. x 7.5" I.D x 13.4" L. 2.Heating area: 7.5" ID x 8.5" Depth (7.6Liter) 3.Uniform Temperature zone: 4"Dia x 3.5" depth in center position within +/- 5ºC 4.The quartz tube is replaceable |
Vacuum Flange |
1.Stainless steel vacuum flange with dual high-temperature silicone O-rings at the front door with water colling ports 2.1/4 gas inlet & outlet included which allow continuous gas delivery during operation. A gas quartz tube (6.35mm O.D) is provided to reach the location of the sample and deliver reactive gas to the sample directly. 3.One 1/4 thermocouple feedthrough port allows a 1/4 O.D thermocouple probe to be inserted into the chamber and measure the temperature of the sample independently. (Thermocouple is optional. Click here to find one). Four probes electric resistance measurement feedthrough also is available upon request. 4.M15 x 1.5mm Thread for both 1/4" feedthrough 5.One bored Al2O3 foam refractory block (190Dia * 50mm) is provided. 6.K type 1/4" OD x 18" L thermocouple is included. 7.Gas Inlet Tube (O.D 6.35mm, I.D 4.0 mm, L 300mm) is included. 8.Mechanical Vacuum Gauge (included as standard accessory), which ranges from -0.1 to 0.15Mpa. |
| Gas Inlet and Outlet & Water cooling |
1.One gas purging inlet (1/4" hose adapter ) with a valve is on the left side of the furnace 2.The inert gas can be introduced into the chamber via the inlet for purging purposes. 3.If a continuous gas flow is needed, refer to the additional gas inlet and thermocouple probe below. 4.A water cooling jacket has been built inside the flange to protect the vacuum sealing O-tings. The inlet and outlet ports located on the left side of the furnace are used for connecting to a water chiller through two 12 mm Dia. polyurethane tubes (16L/minute water flow is required). |
| Temperature Controller |
1.NRTL certified digital temperature controller is included. 2.Proportional–integral–derivative control (PID control) and auto-tune function 3.30 segments programmed with ramping, cooling, and dwelling steps 4.Built-in over-temperature alarm and thermocouple failure alarm 5.+/- 1 ºC temperature control accuracy 6.THE Default DB9 PC communication port included for connecting to PC 7.Temperature Controller is available at the extra cost with +/-0.1°C accuracy. |
| Options |
1.Digital Pressure Gauge (optional) A gas-type independent(above 10mbar) digital vacuum gauge with a wide range between 3.8x10-5 to 1125 Torr. 2.You may choose a gas mixer to deliver multiple gasses with control over gas composition and flow rate. |
| Options | 1.The sample holder is not provided with the furnace. You may Contact us to order the sample holder separately. 2.Optional Quartz Thermal Block is available upon request as the refractory block, which can help achieve a higher vacuum level and avoid potential contamination problems, please contact us order Quartz Thermal Block. 3.A 4-holes 1/4" Alumina Tube can be used for inserting 4 wires (e.g. Pt wires) through the holes for measuring the electrical properties at the high temperature at extra cost. |
Vacuum Pressure |
Vacuum Level is dependent on the vacuum pump used, connected pipe, interior refractory block's materials, etc. By using KFD25, stainless steel pipe, Kejia's two-stage mechanical pump, and KF25 Ball valve, the furnace can achieve vacuum levels below: 1.10-2 torr via mechanical pump within 30 minutes without thermal Block 2.10-4 torr via turbo-pump within 30 minutes with the Quartz Thermal Block at 900C Optional: The vacuum pump and pipe are not included, please contact us to order. For achieving a higher vacuum level, a Turbopump is necessary. Spare sealing O-ring is available at extra cost . KF25 Right-Angle Valve for quick connection to KF25 Bellows. |
| Overall Dimensions | 700mm(L) x 440mm(W) x 435mm(H) |
| Net Weight | 80 kg |
| Shipping Weight | 200 lbs |
| Shipping Volume | 45"(L) x28"(W) x35"(H) |
Warranty |
1.One year limited warranty with lifetime support (consumable parts such as processing tubes, and O-rings are not covered by the warranty.). 2.ATTENTION: Any damages caused by the use of corrosive and acidic gasses are not under the coverage of Kejia One Year Limited Warranty. |
| Compliance | CE Certified |
| Warning |
1.Tube furnaces with quartz tubes are designed for use under vacuum and at low-pressure < 0.2 bars 2.Attention: A two-stage pressure regulator must be installed on the gas cylinder to limit the pressure to below 3 PSI for safe operation. 3.Never heat the furnace while the gas release valve is closed when a positive pressure condition exists within the furnace chamber. 4.Max. 1000°C is limited on all quartz tube furnaces to avoid the quartz tubes' deformation. |
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No. 104, building 31, Xingyang equipment manufacturing industrial park, Zhengzhou City, Henan Province, China
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