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High Frequency Induction Heater, 100-500kHz, 6KW with option 2" Quartz Tube- EQ-SPG-6A-I

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Sale Price: Starting at USD$5,998.00
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EQ-SPG-6A-I Compact 6KW Ultra High Frequency Induction Heater is designed for quickly melting small quantity (<100g) of metallic material. This can also be modified a crucible melting furnace with optional coil and 2" tube.


Working Voltage 180 - 245 V AC, 50-60 Hz, Single Phase
Max. Output Power 6KW
Input Current 5 - 30 Amp ( 50A breaker required) Adjustable with digital display
Output Frequency 100 - 500 kHz
Duty Cycle 100%
Max. Sample Weight 100g
Timer Control
  • Automatic timer control or  Manual control selectable
    • Manual Control: by Foot Pedal
    • Automatic Heating Time: 1-99 Seconds
    • Automatic Dwell Time: 1-99 Seconds
    • Automatic Colling Time: 1-99 Seconds
Air Cooling Rear Fan
Water Cooling
  • Flowrate: > 3 L/Min
  • Pressure: 0.2 MPa (29 Psi)
  • Tap water is acceptable, but using Recirculating Water Chiller is highly recommended. Please click here to order separately
  • Protection: Over pressure and over temperature switch
Water protection Over pressure and over temperature switch
Induction Coil
(Standard Package)
  • Made by 5mm Dia. Copper tube (One Coil 20mmDia. x 45mmH is included)
  • Customized copper coil is available at extra cost ($300/ea) upon request
Quartz Tube and Induction Coil 
  • This induction heater also can be used as vacuum crucible induction melting furnace if change into a larger coil and 2" quartz tube  ( Please click picture below to see details and  click product option bar to order ):
    • Half Open Quartz Tube is included with dimensions of 60mm(OD) x 57mm(ID) x 250mm(L)
    • Induction Coil:  Made by 5mm Dia. Copper tube (One Coil 65mm Dia. x 70mm H)
    • KF25 connector and 1000mm long SS pipe is included for connecting to vacuum pump
    • Stainless Steel Flange with high temperature silicone o-ring and self-tighten structure
    • Graphite Crucible: 1.5"(OD) x 1.25"(ID) x 3.75"(Deep) Crucible included ( Note max.melt weight  is about 50% volume )
    • Refractory Assembling: Complete refractory assembling made of alumina, including bottom crucible support, crucible holder and cover
    • Vacuum pump and Water Chiller  are included for immediate use.
Product Dimensions 520mm(L) x 240mm(W) x 500mm(H)
Warranty One Year limited warranty with lifetime support

Operation Manual 


Operation Video
  Optional 2" Quartz Tube
Application Notes
Heat treatment
  • Heater will shut down if over output occurs. Please reduce sample size to keep heater operating under Max power
  • Please click here to learn how to setup crucible for metling
  • Melting time and temperature are related to materials, crucible, refractory insulation, etc. If you do not know whether the induction heater can melt your sample or not, please contact our engineer for consulting. Have your alloy's composition, melting point, and quantity to be melted prepared
  • For customization inquiries, please complete the "Customize Induction Heating System Form" and return it to
Net Weight 24 kg (53 lbs)
Shipping Dimensions 40"(L) x 30"(W) x 30"(H)
Shipping Weight 45 kg (100 lbs)

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1. Prices listed online are valid for US market and whom pay by credit card only. There will be extra charges for shipping & handling. Price various from country to country.
2. We may add extra charges for paper order and net30 terms due to extra labor cost.
3. The prices listed are subject to change without notice.