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High Performance Heating Mechanism of witeg accomplishing world s best temperature accuracy and uniformity
The new types of Incubator of witeg are outfitted with high performance heating mechanism that is optimized respectively for capacity of chamber, power of heating element and air circulation type (Gravity Convection or Forced Convection).
The temperature displayed on the controller is accurately consistent with the actual temperature in the very center of the chamber or the average temperature in the entire area of the chamber, which maintains precisely within fluctuation specification.
In addition, the temperature in the entire area of the chamber shows a very high stability keeping within a very slight variation specification in terms of temperature uniformity.
Simultaneously, through the optimization of Fuzzy-PID controller, the heat-up time to reach the Set Temperature after operating and the recovery time to get back to the set temperature after opening and closing of the door are very short.
The newly developed high performance heating mechanism has achieved high degree of temperature accuracy and uniformity in the chamber.
This is achieved by the heating elements installed on three sides - that is, the left, right and bottom parts of a chamber - which directly heat the stainless-steel chamber.
This either enhances its material thermal conductivity to maximum (in case of the Incubator) or the heated air from the pre-heating zone in air-jacket type that is built in the three sides outside a chamber circulates first (in case of the Oven).
Gravity Convection •
Gravity convection is to be supplemented and maximized by way of forming radiant and conductive heat on the bottom as well as both sides of the chamber, while heating elements are fitted closely to the three sides outside the chamber by the steel structure of 1.5mm in thickness.
Forced Convection
• The same heating structure as Gravity Air-Flow model.
• Installs an air-flow room with a fan built in the back side of the chamber to achieve effective forced convection.
• Achieves high temperature uniformity and minimizes mutual contamination between samples by maintaining air flow in forced convection to top.
Fluctuation !
Minimization of Fluctuation in Temperature Variation !
Minimization of spatial variation in temperature inside the chamber.
Heat-up Time !
Minimization of reaching the set temperature Overshoot !
Minimization of overshooting at the time of reaching the set temperature.n
All the units supplied by witeg Scientific are thoroughly tested, using 12 temperature sensors and the latest instruments to obtain validation, which corresponds to international standards.
That is, Fluctuation and Variation (Uniformity) standards described in catalogues are actually guaranteed as the same.
This is an environment-friendly product that achieves minimum power consumption by using heating element consuming minimum power for the capacity and temperature of the chamber, high-quality insulator and insulation structure, and complete door structure that guarantees shielding.
Digital Incubator
Digital Incubator
MODEL CAPACITY Internal Dimensions External Dimensions Heater
WIG-32 32 lit 310 x 290 x 360mm 481 x 458 x 624mm 200W
WIG-50 50lit 370 x 350 x 420mm 541 x 518 x 701mm 200W
WIG-105 105 lit 485 x 410 x 535mm 633 x 595 x 879mm 400W
WIG-150 150 lit 550 x 475 x 600mm 709 x 641 x 906mm 400W
with digital fuzzy control
Timer: 99 hr/59 min.
temp. range: ambient +5°C - 70°C
circulation: natural convection
incl. 2 steel shelves of adjustable position
power supply: 230V 50/60Hz Hz
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