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Mini Arc Melter (185 A) with 4 Cavities and Tube Seal - Glovebox Compatible - EQ-SP-MSM130
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Product Options
Working Conditions: |
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EQ-SP-MSM130 is a mini-arc melter, which can be placed inside a glovebox for air-sensitive materials. It is a smart tool to melt air-sensitive alloy, refractory metal tube seals, and vacuum casting. With additional add-ons, it can also be used outside of the glovebox as the conventional arc melter. Note: Upgrade Max current to 185A, since July 15, 2023
SPECIFICATIONS:
Features

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- 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.
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Power Supply

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- 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
- 220V:
- 185A/17.4V @ 35% Duty Cycle/ 40º C
- 145A/15.8V @ 60% Duty Cycle/ 40º C
- 110A/14.4V @ 100% Duty Cycle/ 40º C
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Tungsten Electrode Gun

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- 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
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 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.

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Chamber

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- 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
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Feedthrough (Only included in the glovebox version)

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- 5 KF40 spare ports are required.
- Two high-current electric feed-throughs (Click the pic on the left)
- Two fluid feedthrough
- One multi-pin electric feedthrough
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Water Chiller (Optional)
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- 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
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Vacuum casting (optional)

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- 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

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For use under ambient conditions only

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- 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.
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Vacuum Pump (Optional) |
- The vacuum pump is optional and the vacuum level is dependent on the vacuum pump used:
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Application Notes |
- 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.
- Combine with MTI 's MI melter, low speed saw, you can build an integrity small metallographic lab at a low cost
Melting Cutting Amounting Polishing Microscope
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Furnace Dimensions
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Shipping Weight & Dimensions |
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Operation Video |
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Net Weight |
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Compliance

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- 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.
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Warranty |
- One-year limited warranty with lifetime support
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