产品详情

STR-MF1700X-H4 is customizedn large box furnace designed for material synthesis under hydrogen or inert gas atmosphere up to 1600 ºC with chamber dimension of 20"x 20"x20", max. . The furnace consists of high-quality alumina fiber bricks and three sides heating bu Mo alloy coil with a vacuum-sealed steel case with water cooling jacket and automatic H2 burning system. It is an ideal tool for preparing new materials which require reduced atmosphere, such as phosphorous and Ti alloy and also heat treating materials under inert gas.SPECIFICATIONS

Furnace Structure	、Double layer stainless steel structure for maximum vacuum and safety, which can ensure a positive pressure up to 0.06MP and vacuum up to -0.1Mpa 、Water cooling front door and air cooling shell 、Built in pressure gauge, vacuum valves, and two gas float meters 、Built in H2 burning control system --- if the controller detects no flame in burner, gas delivery valve will be shut down automatically
Inside Chamber Size	、Heated chamber: 500x 500x 500 mm ( 20x20x20 inch), 125 Liter ( Max. ) 、Energy saving 1800 grade fibrous alumina insulation 、High purity Al2O3 coating 、Three sides heating ( Left， right and back ) to ensure the best temperature uniformity.
Power	30 KW
Voltage	AC 208 - 240V three phase (50/60 Hz)
Current	80 Amp (100 Amp air breaker is required)
Continuous Working Temperature	1600°C
Maximum Working Temperature	1700°C (＜ 1 hr)
Heating Rate	5℃/ min
Temperature Accuracy	+/- 1°C
Heating Elements	、9 sets of Mo coils heating elements are built in, and replaceable 、The heating element of Mo coil is consumable parts which should be ordered separately if extra sets are required. ( order picture below left to order spare ) 、Heating element can be replaced by MsSi2 to run furnace under oxygen and air up to 1700℃ 、Warning: Mo heating element can not be used under air or oxygen at the temperature gt; 300°C
Temperature Control	、PID automatic control via SCR (Silicon Controlled Rectifier)power control with phase angle fired, current limiting resistor. 、30 programmable segments for precise control of heating rate, cooling rate and dwell time. 、Please click here to learn why SCR is more accurate than SSC (Solid state relay). 、Built in PID Auto-Tune function with overheating amp; broken thermocouple broken protection. 、Over temperature protection and alarm allows for operation without attendant(s). 、+/- 1 ºC temperature accuracy. 、RS485 Communications Port. 、Advanced Temperature Control (Optional) º Temperature control software kit (for YD518P series controllers) + 15" laptop package is available at the options bar. Click for the detail information about the software kit. º You may upgrade the temperature controller to the Eurotherm 3504 Temperature Controllerwhich is fully compatible with LabVIEW. This package includes a Eurotherm 3504 programmer, a communication cable (RS485 - USB) and a software CD. Click the pic below to view the full spec of Eurotherm 3504 temperature controller.
Gas Flow Control and Vacuum Valve	、Two large flow meters (N2: 0~3.5L/min, H2: 0~3.5L/min) are installed in the front panel of the furnace. 、One for purging Inert gas prior to introducing H2 gas 、One for controlling H2 gas flow 、KF40 vacuum pumps built-in to connect a vacuum pump 、Vacuum pump may be needed, but not included
H2 Gas Burning Control System	、An ignition device already installed to incinerate flowing gas and detect burner temperature to ensure H2 burner is in working condition. If H2 does not burn properly, the controller will shut down the H2 gas delivery valve immediately. 、Warning:You must install a certified Hydrogen detector in operation facility to alarm hydrogen leaking b accident. If you can not find in local store, please click link below to order hydrogen detector from us at extra cost.
Water Cooling	A 16L/min recirculating water chiller is installed bottom furnace for cooling furnace sealing flange. ( CE certified only )
Overall Dimensions	TBA
Shipping Weight	TBA
Shipping Dimensions	TBA
Warranty	、One year limited warranty with lifetime support. (Consumable parts such as sample plates and heating elements are not covered by the warranty, please order the replacement at related products below.) 、ATTENTION: Any damages caused by the use of corrosive and acidic gases are not under the coverage of STR-One Year Limited Warranty.Attention: A free course of safety operation training at STR-field is required to purchase this furnace. A customer's side training is also available upon request at extra cost. If the users believe that they have sufficient experience and knowledge to handle the furnace in the dangerous or emergent situation, a liability release agreementmust be signed at the purchase. STR-Corp. is not responsible for any damages caused by misuse without the safety operation training. Any damages caused by the corrosive and acidic gases are not under the coverage of the STR-One Year Limited Warranty.
Compliance	、CE Certified 、All electric components ( gt;24V) are UL / MET / CSA certified 、The furnace is ready to pass TUV(UL61010) or CSA certification at extra cost. （ please click mark below to learn details )
Application Notes	、Please EXERCISE EXTREME CAUTION. H2 gas is highly flammable and explosive. H2 ignites at a temperature of 400°C, an explosion could occur when the hydrogen content reaches 4.0%-74. 2% in the air, please strictly follow the rules below to for safety operation. 、Inert gas MUST be used to purge the furnace chamber to eliminate all the air before introducing the H2 gas. •The pressure inside the chamber should ALWAYS be controlled at 0.01-0.02 Mpa above the standard atmospheric pressure during the entire heating process, otherwise, the oxygen in the air may backflow into the furnace chamber and cause explosion in the worst case scenario. •Pressure over 0.02Mpa or below -0.05Mpa (Relative Pressure) is strictly prohibited. •ALWAYS place the furnace in a room with the fume hood and a hydrogen detector installed. 、Good ventilation is necessary for the room in which place the furnace 、Exhausting Hydrogen gas in the room is forbidden. 、Must be used under inert gas or hydrogen gas environment 、For preserving the longevity of the furnace components, we recommend the heating rate not to exceed 10 ℃/min. 、Small cracks may appear on the surface of the refractory ceramics over extended use. This is a normal occurrence and the cracks may be repaired with alumina coating. • 、The refractory block must be inserted before closing door. •Please Click Underline to learn "Max. Working Temperature of Heating Elements of Tungsten, Tantalum, Molybdenum Under Various Processing Gases". 、Attention: A two-stage pressure regulator must be installed on gas cylinder to limit the pressure to below 3 PSI for safe operation. Click here to learnthe installation of a gas regulator.
Operation Video amp; Instructions

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