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產品詳情

Specification

Furnace Structure	Double-layer stainless steel structure for maximum vacuum and safetySpring-loaded pressure relief valve installed on the furnace provide protection against chamber over-pressurization.Water cooling front door and air cooling shell.Built in the vacuum pump and two-channel gas flowmeters, pressure gauge needle valves.
Inside Chamber Size	Heated chamber: 200x200x200 mm (8x8x8 inch), 8 Liter.Energy-saving 1800 grade fibrous alumina insulation.High purity Al2O3 coating.
Power	7.5 KW
Voltage	AC 208 - 240V single phase; 50/60 Hz
Current	36 Amp (50 Amp air breaker is required)
Continuous Working Temperature	1650°C
Maximum Working Temperature	1700°C (＜ 1 hr)
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 to setting and running the 30-segment heating program and provides the 1-level temperature alarm protection. Secondary Temperature Controller reads the temperature from the secondary B type thermal couple, 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 ElementsandWorking gas	6 pcs Mo Alloy coils(can only be used under inert gas, Ar is preferred; cannot be used under air or oxygen at the temperature gt; 300°C).Optional: If using with pure oxygen gas, must use MoSi2 heating element with Ni power connection wire。 Please call us in advance for the modification
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/cooling rate and dwell time.Over-temperature protection andthermocouple failure alarm functions allow operation without attendant(s).+/- 1oC temperature accuracy.RS485 Communications Port.
The temperature controller (optional)	Temperature control software kit (for YD518P series controllers) + brand new laptop package is available at the options bar. Click for the detail information about the software kit. You may upgrade the temperature controller to the Eurotherm Temperature Controller which is fully compatible with LabVIEW with +/- 0.1oC accuracy. This package includes a Eurotherm programmer, a communication cable (RS485 - USB) and a software CD. Click the pic left to view the full spec of the Eurotherm temperature controller.
Pressure Relief Valve	Spring Loaded Type Pressure Relief ValveCracking pressure is manufacturer pre-set at 0.066Mpa (relative pressure value).Valve close pressure: 0.03Mpa (relative pressure value).Max. Temperature 200oC.35mm O.D barb fitting for gas exhaust.
Gas Flow Control and Vacuum Valve	Two flow meters (#1: 0~8L/min; #2: 0~4L/min) are installed on the front panel of the furnace.One heavy-duty vacuum pump (CE certified) is built on the bottom of the furnace. Optional: You may order a (UL certified) pump at extra cost (Pls click the right picture below to see specs). ( CE certified ) ( TUV certified )
Water Cooling	A 16L/min recirculating water chiller is installed in the bottom of the furnace for cooling furnace sealing flange (CE certified only)MET Certification (UL 1450) for water chiller is available upon request at extra cost, please contact our sales representatives for a quote.
Net Weight	475Kg
Shipping Weight	1200 Lbs.
Product Dimensions	Please click the picture on the left to view dimensions:
Shipping Dimensions	58"x46"x89"
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.)
Compliance	CE Certified for the furnace, vacuum pump, and water chiller.NRTLor CSA certification is available at extra cost.（ please click mark below to learn details
Application Notes	For preserving the longevity of the furnace components, we recommend the heating rate not to exceed 5 ℃/min.The cooling rate shall also not exceed 5 ℃/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.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.
Warnings	ATTENTION: Any damages caused by the use of corrosive and acidic gasses are not under the coverage of STR-One Year Limited Warranty.In order to prevent oxidation/corrosion damages to the Mo heating elements, it is necessary to keep a constant inert gas (Ar preferred) flow throughout the entire process. This is the most effective way to carry out any by-products.
Operation Instructions

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