SVAC Series
SHEL LAB Vacuum Ovens
Ideal for Industrial, Analytical, and General Laboratory Applications
SHEL LAB vacuum ovens are recommended for critical scientific and analytical use in laboratory and pilot plant product research.
Typical applications include outgassing, curing, drying, baking, pre-heating, conditioning, and life cycle testing. Choose from three
cabinet sizes, each with a glass viewing window, inert gas connection, and a variety of gasket material options.
SVAC Ovens Features and Benefits
The SVAC Series ovens are engineered for safe, accurate, and precise performance in demanding laboratory environments.
6
5
2
1
+
Recipe Control - Write 4 recipes with
up to a total of 40 steps.
Temperature range approximately 10°C
+
above ambient to 220°C for multiple
applications.
Integrated Over Temperature Limit with
1
digital setpoint (OTL) to provide additional
temp limit control.
2
Stainless steel interior construction
for long life operation, easy cleaning.
Watlow EZ-Zone controller with Ramp and
3
Soak Temperature control.
7
3
4
SVAC2
4
Inert gas inlet connection and valve.
5
Aluminum shelves are provided to
maximize space usage and optimize
conductivity.
Heating elements on 4 sides to increase
6
temperature uniformity.
7
Digital Vacuum Gauge
+
Access Por t (KF-25 Fitting)
Internationally certified CAN/CSA, UL, EN,
+
IEC 61010, and compliant with CE.
+
2 year limited warranty
1 • SHEL LAB • sheldonmanufacturing.com • SVAC Vacuum Ovens
Applications:
Temperature and Vacuum Performance
SHEL LAB vacuum ovens are available in 110-120V, 50/60Hz or
220-240V, 50/60Hz configurations and achieve temperatures up to
220°C.
Heat-Up - Rapid heat-up times to 220°C get your product to temperature faster than ever.
• Drying
• Outgassing
• Aging Tests
• Chemical Resistance Studies
• Vacuum Storage
• Moisture Removal
• Parts Cleaning
• Curing
• Bubble Removal
• Inert Atmosphere Processing
Now Oering
Extended
Warranties!
US Domestic Only
SVAC1
SVAC 4
SVAC2
SHEL LAB • sheldonmanufacturing.com • SVAC Vacuum Ovens • 2
Control, Timer Program, and Monitoring
The Watlow EZ-Zone PID (proportional, integral, derivative) controller commands proportional power to the heating elements
to provide the most accurate and responsive control. The control parameters are matched to the oven size to assure faster
response to setpoint with minimal overshoot. The Watlow EZ-Zone supports custom recipe creation. Each recipe can support
full ramp and soak control for custom applications. A total of 4 recipes with up to 40 steps can be used to configure the oven to
your process.
Integrated Watlow Control Panel
All controls are centrally located on the main panel including power, Watlow EZ-Zone controller with integrated over-temperature limit and recipe control. The gauge panel allows easy access from the front of the unit to the manual vacuum and vent
valves.
Main Power
on/o switch
Temperature
setpoint
Red Display
current temp
Temp Controller
displays temperature,
setpoint, and profile
status
Built-In High Limit Control
digital setpoint
Up Temp
Down Temp
Vacuum Valve
controls vacuum port
SHEL LAB • sheldonmanufacturing.com • SVAC Vacuum Ovens • 3
Vacuum Gauge
displays chamber vacuum level
Vent Valve
controls inlet vent port
*SVAC2 and SVAC4 Models
SVAC Dimensions
Model Name SVAC1 SVAC2 SVAC4
SVAC1 SVAC2 SVAC4
Interior Volume 0.56 cu.ft. (15.9 liters) 1.67 cu.ft. (47.2 liters) 4.5 cu.ft. (127.4 liters)
Unit Weight 102 lb (47 kg) 182 lb (83 kg) 317 lb (144 kg)
Shipping Weight 156 lb (71 kg) 253 lb (115 kg) 462 lb (210 kg)
Interior Dimensions W x D x H
Exterior Dimensions W x D x H
9" x 12" x 9"
228 x 304 x 228 mm
17.5" x 23" x 23.7"
444 x 584 x 602 mm
23.7" H
12" x 20" x 12"
304 x 508 x 304 mm
20.8" x 31.3" x 26.8"
528 x 795 x 681 mm
26.8" H
18" x 24" x 18"
457 x 610 x 457 mm
27.0" x 35.2" x 32.8"
686 x 895 x 833 mm
17. 5" W
SVAC1
32.8" H
23" D
SVAC2
31.3" D
20.8" W
SVAC 4
35.2" D
27" W
SHEL LAB • sheldonmanufacturing.com • SVAC Vacuum Ovens • 4
SVAC Oven Temperature Chart
SVAC1 SVAC2 SVAC 4
Part ID 110V-120V (220-240V)
Temperature Range
SLV122 SLV122-EA SLV222 SLV222-EA SLV422 SLV422-EA
10°C above ambient to 220°C 10°C above ambient to 220°C 10°C above ambient to 220°C
Ambient Range 15°C to 40°C 15°C to 40°C 15°C to 40°C
Temperature Stability @150°C 0.1 0.1 0.2 0.2 0.25 0.25
Heat Up Times:
Heat-Up to Ambient — Minutes to 80°C
Heat-Up to Ambient — Minutes to 150°C
Heat-Up to Ambient — Minutes to 220°C
40 40 70 70 70 70
70 70 120 120 120 120
120 120 200 200 230 230
SVAC 4SVAC2SVAC1
DIN 12880 Compliance
SHEL LAB SVAC Series ovens are designed to meet or exceed the performance criteria established through DIN 12880:2007:05 and ASTM
E145-94 (Reapproved 2006.) These criteria set common standards for laboratory oven performance in heat-up, temperature uniformity and
door-open recovery time. Confirmation of temporal and spatial performance is achieved by testing with multi-point temperature probes
strategically positioned throughout the oven chamber interior, including center point positions where stability, equilibrium and setpoint control
are required.
Note: DIN 12880 is an international standard for measuring the performance of electrical laboratory ovens and incubators based on Deutsches Institut Fur
Normung E.V. (German National Standard), 05/01/2007.
SHEL LAB • sheldonmanufacturing.com • SVAC Vacuum Ovens • 5
Side Clearance
6"
Roof Clearance
12"
SVAC 4
Door Swing
27 "
Site Preparation and Installation Guides
SVAC1 SVAC2 SVAC 4
Wall Clearance, Sides 6" (152 mm) 6" (152 mm) 6" (152 mm)
Wall Clearance, Roof 12" (305 mm) 12" (305 mm) 12" (305 mm)
Door Swing 17.6" (447 mm) 20.8" (528 mm) 27" (686 mm)
Access Port, Back Wall 1.5" (38 mm) 1.5" (38 mm) 1.5" (38 mm)
SVAC Vacuum Ovens Options and Accessories
SVAC1 SVAC2 SVAC 4
Extra Shelf, Max. Weight 35 lb (15.8 kg) N/A N/A 5680563
Extended Warranty - 1 Year Extension SVAC1EXT1 SVAC2EXT1 SVAC4EXT1
Extended Warranty - 2 Year Extension SVAC1EXT2 SVAC2EXT2 SVAC4EXT2
Extended Warranty - 3 Year Extension SVAC1EXT3 SVAC2EXT3 SVAC4EXT3
Options must be specified when ordering. Contact SHEL LAB for additional information.
SHEL LAB • sheldonmanufacturing.com • SVAC Vacuum Ovens • 6
Sheldon Manufacturing Inc.
300 N. 26th Avenue • PO Box 627 • Cornelius, OR 97113 USA
+1-503-640-3000 • sheldonmanufacturing.com • sales@sheldonmfg.com
S p ecifica tions subje ct to cha n ge wi thout noti c e. PN #074061 8 1/20
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