JINHE small Lab and industry vacuum heat treatment furnace with inert gas atmosphere protection system

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Product Overview

Description



1200C muffle furnace


Small Lab and industry vacuum heat treatment furnace with inert atmosphere gas protection 


Laboratory vacuum annealing furnace


1200℃-1800℃ annealing vacuum Furnace 
JHP-5 Annealing Furnace uses Resistance wire as heating elements, which can be used up to 1200℃. These compact muffle furnaces are perfect for many applications in laboratory. It is an ideal instrument for materials annealing and sintering in your research.


Features
1. Operation Temperature: 1100℃ (1200℃ for short time). 
2. Maximum energy efficiency is achieved by surrounding the chamber with thermal-efficient alumina fiber ceramic insulation.
3. Heavy duty double layer structure with cooling fan. Lower temperature in outside case. 
4. PID automatic control via current limiting phase angle fired the resistor, e.g. SCR (Silicon Controlled Rectifier).
5. Power control with 51 segments programmable


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Ⅰ. Technical Specifications



















































































































Chamber size200x200x200mm(width*height*depth)(8Liter)
Max. temperature1200 C (<2hour)
Working temperature1100 C
Temperature controlling

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.
Built in PID Auto-Tune function with overheating & broken thermocouple broken protection.
Over temperature protection and alarm allows for operation without attendant.
Temperature accuracy±1C
Temperature Uniformity±5C over 120mm @ 1100C
±3C over 80mm @ 1100C
Heating rate0-20C /min
ThermocoupleK type with 99.7% purity Alumina tube
Heating elementQuality heating wire
Furnace ChamberTwo layers of ceramic fiber insulation materials

First layer: 1430°C ceramic fiber board, density 450kgs/m3. Thermal conductivity (1200℃) is 


only 0.18W/m.k.


Second layer: 1260°C ceramic fiber board, density 350kgs/m3.
Furnace structureDouble layer steel casing with dual cooling fan, surface temperature below 60oC
Furnace doorFront-side open
Power cutting off when furnace door open
Working voltage220V, 50HZ
Rated power5KW
Warranty

One year limited warranty with life time 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.


CertificationsCE
Ⅱ. Application Notes

Using Attentions


 


 


 


 


 


 


 


 


 


 


Stander chamber size (mm)


Cooling rate shall also not exceed 10℃ /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. 


This is a normal occurrence and the cracks may be repaired with alumina coating. 


Refractory door block must be inserted before closing door.








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200x200x200      200x200x300     250x250x300      300x300x300

300x300x400      350x350x500     400x400x400      450x450x450

500x500x500      600x600x600     800x800x800      900x900x900 




 


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