QWO Series

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QWO Series Inert Gas Oxidation-Free Ovens

The Weisun QWO Series Inert gas ovens protect product from oxidation and can be used with Nitrogen, Argon, CO2 or Helium. Oxygen can be controlled to <50PPM, <20PPM, <10PPM or per customer requirements. A temperature range of ambient to 300 ^oC or 500 ^oC can be specified.

The Weisun QWO Series ovens are manufactured with sturdy double wall construction, multilayered insulation. high temperature door gaskets and high temperature specific components. Temperature uniformity is excellent to ensure precise air flow and repeatability. HEPA air filtration systems are available.

Air N2, or or indirect water cooling options are available.

Microcomputer control ensures precise ramp up, soak, and cool down times. Safety is our priority and all QWO ovens have a range of interlocks and safety features.

Application:

Clean Room Class 100 – Class 10 Oxidation Free Curing for Low O2 % required Curing processes.

Features:

+/- 1.5% temperature uniformity at 300 °C
Temp.: Max 300 °C, 500 °C
Air or Indirect water cooling
All Seam Argon Welding, Reinforced Chamber
HEPA filter Eff. 99.97%，meet FED-STD-209E (particle counter test)
O2 to 50PPM, 20PPM or 10 PPM.
Sealed chamber
Patented Cooling System- Cooling time reduced.
Specifications: (per Weisun web page)

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Fully Automatic High Temperature Inert Gas Oven

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Specifications

All dimensions in CM
Width x Depth x Height

Model	QHWO - 2	QWO - 2DS Dual Chamber	QWO – 3S	QWO- 4D Cart Oven
Oxygen Level Interior Exterior Power Temperature (Max) Temp. Uniformity Time to Temp N2	< 10PPM 61 x 61 x 61 145 x 115 x 122 12.5Kw/18 Kw 300 ^oC/500 ^oC +/- 1.5%(300 ^oC) 300 ^oC – 45 min. 500 ^oC – 70 min. 3.5Kg/cm	<10PPM 61 x 61 x 61 (per chamber) 135 x 160 x 177 12.5/18Kw (per chamber) 300 ^oC/500 ^oC +/- 1.5% (300 ^oC) 300 ^oC – 45 min. 500 ^oC – 70 min. 3.5Kg/cm	<50PPM 71 x 61 x 70 141 x 132 x 174 17Kw 350 ^oC +/- 1.5% (350 ^oC) 350 ^oC – 50 min. 350 ^oC – 50 min. 3.5Kg/cm	<50PPM 71 x 61 x 91 138 x 90 x 139 12.5Kw 250 ^oC +/- 1.25% (175 ^oC) 250 ^oC – 40 min. 250 ^oC – 40 min 3.5Kg/cm