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The SMO3 has a quick ramp-up time to 306°C for faster cycle times. This unit includes an advanced PID temperature control system for sensitive response.
These ovens are recommended for critical and analytical use in laboratory and pilot plant product research. Typical applications for the oven include aging, asphalt testing, curing, drying, pre-heating, conditioning and life cycle testing.

This unit is equipped with a stainless steel interior for long life operation and easy cleaning. Its triple wall construction minimizes external wall temperature which meets CE requirements to keep workspaces cool.

The SMO3’s forced air ovens deliver precise uniformity, air distribution and the peace of mind expected of the SHEL LAB brand.

Features of this oven include:

  • Embedded Microprocessor Control with Countdown Timer
  • Horizontal Forced Airflow
  • 1.75in (4.5cm) Access Port
  • UL/CSA Approved
  • CE Approval
  • DIN 12880 Compliant
  • 24 Month Limited Warranty
Ask us about our Extended Warranties*!
*US Domestic Only



Part ID


Exterior Dimensions (W × D × H)

26.9 × 28.6 × 34
(684 mm × 727 mm × 840 mm)

Interior Dimensions (W × D × H)

16.5 × 19.5 × 16.2
(419 mm × 495 mm × 412 mm)


3.0 cu.ft. (85.0 L)

Shelf Dimensions (W × D)

16.1 × 18.8 (409 mm × 478 mm)

Unit Weight

170.5 lbs (77.3 kg)

Interior Metal

430 SST

Exterior Metal

Painted Cold Roll Steel

Operating Temperature Range

Amb +20C - 306C

Temperature Uniformity - Midrange

1.8 °C

Temperature Stability - Midrange

0.3 °C

Controller Type


Display Resolution

0.1 °C

Power Voltage , Frequency and Current

110-120 VAC, 50/60 Hz, 14.0 Amps

Safety Certifications

UL 61010-1, EN 61010-1, CSA 61010-1, CE

SMO3 110/120V Manual

SMO3 220/240V Manual

SMO3 Brochure

Locate a Sales Rep Get a Quotation
Shel Lab Bactron Lab Armor Cascade TEK HighPoint
Sheldon Manufacturing Inc

300 N. 26th Avenue • PO Box 627
Cornelius, OR 97113 USA
(503) 640-3000 •

ISO Certified