产品详情

Specification

Furnace structure	Double layer stainless steel structure for maximum vacuum and safety.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: 200x 200x 200 mm (8x8x8 inch), 8 Liter Energy saving 1800 grade fibrous alumina insulation High purity Al2O3 coatingWarning: One Al2O3 fibrous door block is included. You must place the door block in the front the chamber to block heat radiation, otherwise, may damage seal ring at high temperature and cause hydrogen gas leaking
Power	7.5 KW
Voltage	AC 208 - 240V single phase (50/ 60 Hz)
Current	30 Amp (50 Amp air breaker is required)
Temperature	Continuous 1600°CMax. 1650°C(＜60min)
Heating Rate	5℃/ min
Temperature Accuracy	+/- 1°C
Thermocouple	two B type thermocouples (control thermocouple and secondary alarm thermocouple)
Temperature controller	Main Temperature Controller is used for controlling the 30-segment heating program and provides the 1-level temperature alarm protection. Secondary Temperature Controller reads the temperature from the secondary B type thermocouple, monitors the temperature during all process and provides the 2-level temperature alarm protection.
Pressure Control	The pressure sensor and pressure controller are installed. It reads the chamber pressure and controls the inlet and outlet gas valves respectively according to the pressure limit settings.The pressure control can be used to perform the following functions:PurgingPressure controlHigh and Low-pressure protectionThe pressure controllable range: -0.06 to 0.03Mpa.
Heating Elements	6 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 pictured below left to order spare )The heating element can be replaced by MsSi2 to run furnace under oxygen and air up to 1700℃(order picture below right to order spare)Warning: Mo heating element cannot be used under air or oxygen at the temperature gt; 300℃
Temperature Control	FA-YD518P-AGtemperature controller is included.Proportional–integral–derivative control (PID control) and auto-tune function30 segments programmed with ramping, cooling and dwelling stepsBuilt-in over-temperature alarm and thermocouple failure alarm+/- 1 ºC temperature control accuracyDefault DB9 PC communication portMET Certified
Temperature controller (optional)	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.
Eurotherm Nanodac Controller (optional)	A single one Eurotherm Nanodac Controller replaces all three original controllers in the furnace and performs advanced functions of:High accuracy temperature controlSecondary temperature monitor and alarmPressure control and alarmData acquisition/analysis and graphical recordingTCP/IP communications Eurotherm Itool software includedA 15.6-inch screen laptop is included in the package. The Eurotherm Itool software is installed and configurated.
Gas Flow Control and Vacuum Valve	Two large flow meters (N2: 0~3.5L/min, H2: 0~3.5L/min) are installed on the front panel of the furnace.One for purging Inert gas prior to introducing H2 gasOne for controlling H2 gas flowOne heavy duty vacuum pump ( CE certified ) built in bottom furnace. You may choose a UL certified pump at extra cost ( Pls click picture below to see specs)( CE certified ) ( TUV certified )
H2 Gas Burning Control Systemand Option Hydrogen detector	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 a local store, please click the link below to order hydrogen detector from us at extra cost.Option Hydrogen detector to Enhanced safety for STR-Hydrogen Gas Tube Furnace
Water Cooling	A 58L/min recirculating water chiller is installed for cooling furnace sealing flange.
Net Weight	300Kg
Overall Dimensions	1200mmL×850mmW×1520mmH( without burner ) and 2020 H ( with burner )
Shipping Weight amp; Dimensions	Two Pallets1375 lbs, 54"x44"x89" 320 lbs, 48"x40"x52"
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: 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 CertifiedAll electric components ( gt;24V) are UL / MET / CSA certifiedNRTL or CSA certification is available upon request 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 safe 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 around 0.01Mpa above the standard atmospheric pressure during the entire heating process, otherwise, the oxygen in the air may backflow into the furnace chamber and cause the explosion in the worst case scenario.Pressure over 0.02Mpa (Relative Pressure) is strictly prohibited.ALWAYS place the furnace in a room with a fume hood and a hydrogen detector installed.Good ventilation is necessary for the room in which place the furnaceExhausting Hydrogen gas in the room is forbidden.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 the 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 the gas cylinder to limit the pressure to below 3 PSI for safe operation.Click here to learnthe installation of a gas regulator.
Demo Video andOperation Instructions

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