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Thermo Scientific

Heratherm* Advanced Protocol Ovens

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Heratherm Advanced Protocol Ovens provide a choice of gravity or mechanical convection. Gravity convection units are designed to protect delicate samples while offering temperature uniformity of ±2.9°C or better, and temperature stability of at least ±0.3°C at 150°C. Mechanical convection models provide temperature uniformity of ±3.0°C or better, and temperature stability of at least ±0.2°C at 150°C.

  • Broad temperature range—up to 330°C
  • Adjustable fan speed for application-related airflow in mechanical convection models (e.g. drying of powders)
  • High speed for expedited drying and heating, quick recovery, and optimal temperature stability and uniformity
  • Programmable controller for temperature ramps and dwells
  • Up to 10 programs can be saved, each with 10 discrete steps
  • Features electronically controlled fan speed and damper position
  • Programs can be repeated automatically
  • Access port allows the introduction of sensors for independent data monitoring
  • Simple calibration routine ensures temperature accuracy over time
  • Boost function enables rapid heating up—no need to operate the oven 24/7
ControllerMicroprocessor control with vacuum fluorescent display
TimerON / OFF
Temperature Range50° to 250°C
Max. Shelf Load25kg (55 lbs.)


Mechanical Convection
Thomas No.Chamber VolumeFootprintTemp/Uniformity
Stability at 150°C
(2.20 cu. ft.)
0.3 sq. m
(3.2 sq. ft.)
±1.5°C (±0.2°C)


Mechanical Convection
Thomas No.Interior
No. of Shelves (Supplied/Max.)Rated Voltage; Frequency; Power; Max. Amp
1218W58343 x 354 x 508mm (13.5 x 13.9 x 20.0 in.)565 x 530 x 720mm (22.2 x 20.9 x 28.3 in.)2 / 13120V/60Hz / 1440w / 12A / Nema 5-15

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