Name: Ai Vacuum AT X Series Vacuum Ovens
SKU: ATx-UL
Availability: InStock

<h2>What Are Vacuum Drying Ovens?</h2>
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A vacuum drying oven is a thermally insulated, sealed stainless steel chamber with an airtight door gasket (typically silicone or fluoropolymer), heated shelves or heated walls, a vacuum gauge, a vacuum inlet valve, and a vent valve, connected to an external rotary vane vacuum pump to achieve chamber pressures typically below 133 Pa (1 Torr). At 133 Pa, the boiling point of water drops from 100 degrees C to approximately 52 degrees C; at 0.1 kPa (75 Torr), water boils at 40 degrees C. This allows complete moisture removal at setpoints as low as 40-50 degrees C without exposing samples to temperatures that cause chemical degradation, protein denaturation, or API (active pharmaceutical ingredient) decomposition. In addition to moisture removal, vacuum drying eliminates air from the chamber, preventing oxidation of oxygen-sensitive samples during drying. Use vacuum drying ovens when samples cannot tolerate the temperatures required for efficient atmospheric drying, when oxygen must be excluded during drying, or when trapped moisture in micro-pores and internal cavities requires low partial pressure to extract.
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<h2 dir="ltr">What You Will Find:</h2>
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AccuTemp &amp; AT X Series Ovens: Premium UL/CSA certified vacuum ovens featuring internal heating technology for superior temperature accuracy.
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Large Capacity Units: Heavy-duty systems with up to 7.6 cubic feet of space and aluminum shelves for maximum heat transfer.
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Complete Oven Packages: Turnkey solutions that bundle multiple ovens, high-vacuum pumps, and cold traps into a fully integrated station.
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Mobile Laboratory Carts: Heavy-duty steel carts engineered specifically for mounting and transporting ovens and auxiliary equipment safely.
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Advanced Digital Controls: High-accuracy controllers paired with reinforced observation windows for secure monitoring of vacuum and heat levels.
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<h2>How to Choose a Vacuum Drying Oven</h2>
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Maximum vacuum level
The maximum vacuum level (depth of vacuum achievable) determines the lowest sample drying temperature possible. Standard vacuum ovens achieve 0.098 MPa (approximately 133 Pa, or ~1 Torr) with a single-stage rotary vane pump, lowering water's boiling point to about 50 degrees C. A deeper vacuum below 133 Pa requires a two-stage rotary vane pump or turbomolecular pump; the conductscience BOV-V/VL model specifies a vacuum below 133 Pa as the achievable level. Confirm the vacuum pump connection port diameter (NW16 or NW25 KF flange standard) matches the available pump.
Temperature range and shelf heating
Most vacuum drying ovens cover RT plus 10 to 200 degrees C; the BOV-V/VL series specifies temperature stability of plus or minus 1 degree C. Heated shelves (electrically heated aluminum or stainless steel shelves that actively transfer heat directly to samples on the shelf surface) provide better heat transfer than heated-wall designs in vacuum, because convection is absent at low pressure. Confirm the model uses heated shelves rather than heated walls only, particularly for large or dense samples that depend on conductive heating.
Chamber material and corrosion resistance
The inner chamber material must resist corrosion from the solvents or moisture vapor being removed. Standard chambers use 304 stainless steel. For aggressive organic solvents (halogenated solvents, strong acids during pharmaceutical processing), 316L stainless steel or glass-lined chambers are preferred. The DZF-6020 model specification calls out a 304 stainless steel chamber with PID temperature control and a 0.098 MPa vacuum degree. Confirm the door gasket material (silicone standard; Viton/fluoropolymer for solvent resistance) is compatible with the vapors being generated.
Vacuum gauge type
Vacuum ovens are equipped with either an analog Bourdon-tube vacuum gauge (robust, no power required, reads 0-0.1 MPa vacuum range) or a digital vacuum sensor with display. Digital sensors provide more precise pressure readings and can be connected to automated control systems. For regulatory environments requiring vacuum pressure documentation (pharmaceutical QC), a calibrated digital vacuum transducer with data output is the appropriate choice.
Cold trap requirement
When drying samples containing organic solvents, a cold trap (cooled condenser between the oven outlet and the vacuum pump inlet) is essential to condense solvent vapors before they reach the pump oil. Solvent contamination of pump oil degrades pump performance, shortens pump life, and creates hazardous contaminated oil waste. Cold traps using dry ice/acetone (to -78 degrees C) or Peltier-cooled units (to -30 to -50 degrees C) are standard for solvent recovery applications.
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<h2>Specifications Context</h2>
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At 0.098 MPa vacuum (133 Pa), the boiling point of water is approximately 50 degrees C, and the boiling point of common organic solvents is reduced proportionally: ethanol boils at approximately 34 degrees C, acetone at 20 degrees C, and isopropanol at 46 degrees C at 133 Pa. Standard vacuum ovens achieve 0.098 MPa vacuum degree with single-stage rotary vane pumps drawing 5-15 L/min free air flow; larger chamber volumes require higher-capacity pumps to achieve the target vacuum in a reasonable pump-down time. Dual-zone intelligent PID control (independent control of top and bottom shelf temperature zones) has become a standard feature in research-grade vacuum ovens above 0.5 cu. ft. capacity, addressing the temperature gradient between shelf positions in larger chambers.&nbsp;
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The ATx-UL Ai Vacuum Ovens by Across International are ETL-certified (UL and CSA) 5-sided wall-heating vacuum drying ovens available in 5 CF (AT50x-UL), 7.5 CF (AT75x-UL), and 16 CF (AT160x-UL). All models heat from ambient to 250°C with ±1°F accuracy, achieve &lt;500 micron vacuum via KF25 flange ports, and feature a 316L stainless steel chamber, oil-filled gauge, LED lighting, and a 2-year warranty — suited to solvent purge, cannabis post-processing, and pharmaceutical drying.