Shel Lab SMO Forced Air Ovens

Category Convection Ovens
Manufacturer Sheldon Manufacturing
Country of manufacture the United States of America
Overview

SHEL LAB SMO Series ovens are available in 110-120V, 50/60Hz or 220-240V, 50/60Hz configurations and achieve temperatures up to 306°C with fast ramp-up and recovery times. 

Heat-Up Rapid heat-up times to 306°C depend on voltage selected. Published heat-up performance is based on a standard cabinet under controlled testing at a 20°C ambient temperature, line voltage ±10% of specified voltage.

Recovery Upper vents are closed when recovery times following door openings are tested. Published recovery performance is based on a standard cabinet under controlled testing at a (22 ± 3)°C ambient temperature, line voltage ±10% of specified voltage.

The advanced loop PID (proportional, integral, derivative) controller commands proportional power to the heating element to provide the most accurate and responsive control. Each controller is matched to the oven size to assure faster response to setpoint without overshoot, and quicker recovery following door openings. The on-board timer permits programmed dwell cycles with automatic shut-off for custom applications. Indicator lights are included for visual status feedback on critical functions. Sheldon Manufacturing, Inc. 

All controls are centrally located on the main panel including manual power and timer on/off switches, independent overtemperature control, digital temperature and timer setpoint adjustments, and indicator lights for all functions.

Features:

  • Fast ramp-up to 306°C for faster cycle times.
  • Temperature range approximately 20°C above ambient to 306°C for multiple applications.
  • Advanced PID temperature control system for sensitive response.
  • Built-in digital timer for automatic operation following manual start.
  • Independent overtemperature setpoint and operational control override for
  • additional safety.
  • Stainless steel interior construction for long life operation, easy cleaning.
  • Forced-air circulation to assure maximum temperature uniformity.
  • Triple-wall construction to minimize external surface temperature.
  • Stainless steel shelves are adjustable on 0.5" (12.7 mm) centers to provide flexible inventory options.
  • Rear access port, 1.75" diameter (44 mm) for independent cables, instrumentation.
  • Exhaust port, 3.0" diameter (76 mm), adjustable, with external connection to customer-supplied vent for effluent exhaust if required.
  • Internationally certified CAN/CSA, UL, EN, IEC 61010, and compliant with CE. 
Key Attributes

Max Temperature

260 or 306°C

Max Capacity

1.4, 3, 4.9, 14.6, or 27.6 cu ft

Air Movement

Forced

Electrical

110-120 VAC, 230VAC

Warranty 2 years
Manufacturer Specifications
MODEL SMO1 SMO3 SMO5 SMO14-2 SMO28-2
PART ID SMO1 SMO3 SMO5 SLF1422-H SLF2822-H
EXTERIOR DIMENSIONS (W × D × H) 22.7 x 23.5 x 31.5 26.9 x 28.6 x 34 31.4 x 28.1 x 38.8 39.1 x 34 x 48 39.1 x 35 x 78.3
INTERIOR DIMENSIONS (W × D × H) 12.1 x 13.7 x 14.5 16.5 x 19.5 x 16.2 21 x 19.4 x 20.7 30.8 x 24.8 x 31 30.8 x 25 x 61
VOLUME 1.4 cu.ft. (39.4 L) 3.0 cu.ft. (85.0 L) 4.9 cu.ft. (138.0 L) 14.6 cu.ft. (413 L) 27.6 cu.ft. (781 L)
SHELF DIMENSIONS (W × D) 11.9 x 13.6 16.1 x 18.8 20.6 x 18.8 30.1 x 24 30.1 x 24
UNIT WEIGHT 126.0 lbs 170.5 lbs 208.0 lbs 280.0 lbs 390.0 lbs
INTERIOR METAL 430 SST 430 SST 430 SST 430 SST 430 SST
EXTERIOR METAL Painted Cold Roll Steel Painted Cold Roll Steel Painted Cold Roll Steel Painted Cold Roll Steel Painted Cold Roll Steel
OPERATING TEMPERATURE RANGE Amb +20C - 306C Amb +20C - 306C Amb +20C - 306C Amb +15C - 260C Amb +15C - 260C
TEMPERATURE UNIFORMITY - MIDRANGE 2.3 °C 1.8 °C 1.8 °C 3.0 °C 3.0 °C
TEMPERATURE STABILITY - MIDRANGE 0.2 °C 0.3 °C 0.3 °C 0.4 °C 0.2 °C
CONTROLLER TYPE Digital Digital Digital Digital Digital
DISPLAY RESOLUTION 0.1 °C 0.1 °C 0.1 °C 1 °C 1 °C
POWER VOLTAGE , FREQUENCY AND CURRENT

110-120 VAC, 50/60 Hz
12.0 Amps

110-120 VAC, 50/60 Hz
14.0 Amps

110-120 VAC, 50/60 Hz
14.0 Amps

230 VAC, 50/60 Hz
12.0 Amps

230 VAC, 50/60 Hz
20.0 Amps

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