Features

• A water-cooled copper hearth has 4 small cavities for alloy melting of 4 x 8 g up to 2500ºC max
• The central tube holder allows refractory tube seals, such as Ta, Nb, and Mo.
• 6.6 " ID (168 mm) quartz chamber for observation and protection. 
• Compact footprint: can put in a standard Ar gas glovebox with a purification system
• The power and water feedthrough will be provided for the glovebox version. 

Power Supply

• Input voltage: 120 or 240 VAC, single phase, 50/60 Hz
• Power: up to 2500 W @ 120 V and 4000 W @ 240 V. 
• Current: 17A max. @ 240 V ( 50 Amp power breaker is highly recommended)
• 120V:
• 125A/15V @ 35% Duty Cycle/ 40º C
• 100A/14V @ 60% Duty Cycle/ 40º C
• 80A/13.2V @ 100% Duty Cycle/ 40º C
• 240V:
• 185A/17.4V @ 35% Duty Cycle/ 40º C
• 145A/15.8V @ 60% Duty Cycle/ 40º C
• 110A/14.4V @ 100% Duty Cycle/ 40º C

Tungsten Electrode Gun

• Ø4 mm tungsten electrode without water cooling
• Max. continuous melting time: 30 s.
• Electrode tilting and height adjustment (30 mm max) for multiple samples
• Capable of melting samples < 8 g (SS304) in each cavity

Copper Hearth Central Tube Holder

• To melt alloy, use the water-cooled copper hearth (90 mm diameter) with 4 cavities of Ø23mm x 7mm D and up to 8g (SS304) in each cavity.
• To seal metallic tubes, use the central tube holder at the center of the copper hearth for adjustable tube sizes: Ø3~16mm Dia. x 30~90 mm Length.
• 

Chamber

• Quartz chamber with vacuum-sealed flange
• Quartz Tube size: OD180 mm x ID 168 mm x Height 150 mm
• Two KF25 and one KF16 port 
• Vacuum level: 10-5 torr by the turbopump

Feedthrough
(Only included in the glovebox version)

• 5 KF40 spare ports are required. 
• Two high-current electric feedthroughs (Click the pic on the left)
• Two fluid feedthrough
• One multi-pin electric feedthrough

Water Chiller (Optional)

• Water cooling is required but not included. 
• Please check out our EQ-KJ5000 recirculation water chiller
• Water tubing for KJ5000: 12mm O.D x 8mm I.D

Vacuum casting (optional)

• The water-cooled casting mold by vacuum suction is available upon request at the extra cost
• The casting mold is made of copper and only can be located underneath one of the cavity
• The standard casting mold is for the rod of 6 mm dia x 50 mm L. Other size rods (3-5 mm) are available
• The casting mold kit includes all necessary components as the picture below for immediate use
• 

• For the product option of ambient condition, a few additional parts will be added. 
• Valves and fittings for gas inlet and outlet.
• Stainless steel protection box with eye protection cover. 
• Vacuum valve and fittings
• Feedthroughs will be removed. 

• The vacuum pump is optional and the vacuum level is dependent on the vacuum pump used:
• 10^-3 torr via a mechanical/roughing pump. (Roughing Pumps) 
• 10^-5 torr via a turbopump. We recommend our Turbomolecular Pumping Station for the best performance 

• High-purity inert gas with at least 5N purity (> 99.999%) is required (not included)
• 5% Hydrogen + 95% Argon gas may be used to prevent oxidation during the melting process.

• 210 lbs
• 48"x40"x35"

• 15 kg

• CE certified
• UL or CSA certification by NRTLs is available at an extra cost. Please contact us for the quote.Click here to understand the certificate and conditions