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Hot Air Sterilizer, DOF-HAS-A Series

  1. Capacity: 34L, 51L, 70L, 138L, 188L
  2. Temperature range: RT+10-250 ℃
  3. Safety device: Leakage protector/Over- temperature alarm

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Dry heat sterilizer DOF-HAS-A Series uses high-temperature dry heat to oxidize microorganisms, denature proteins, and cause poisoning due to electrolyte concentration. The main one is to destroy the cell protoplasm through oxidation, so that the microorganisms die, so all microorganisms can be killed within a certain heating time.

Energy saving

  • The sealing ring of incubator adopts a new type of synthetic silicone sealing strip, which effectively prevents heat loss.
  • Automatically adjust the control parameters according to the ambient temperature and load to achieve the optimal heating method and reduce energy consumption.

Intelligent LCD control

  • Large-screen LCD display, real-time display of parameters, self-locking function of screen, convenient menu-type operation interface, simple and convenient operation, and can quickly set temperature and time parameters.
  • Running function: fixed value running, timing running; The screen will display “END” with a beeping reminder after the running time is completed.
  • Program control instruments can be added, and up to 30 programs can be set to control temperature and time. Each program can be set for 1-99 hours and 59 minutes.

Internal circulation system

  • Adopts high-quality fan and large impeller fan, the machine has higher ventilation efficiency and better temperature uniformity.
  • The circulation system adopts the back suction and the bottom vertical air supply mode.
  • Better ventilation and temperature uniformity

Dedicated sheet metal processing

  • The box body is formed in one step by laser cutting.The outer box is made of high-quality cold-rolled steel plate with anti-static spray coating on the surface, and the inner tank is made of high-quality brushed stainless steel.
  • The shelf is made of high-quality stainless steel, and a load-bearing beam can be added at the bottom of the shelf to increase the load-bearing capacity.
  • The shelves are designed with sliding bayonet to prevent tilting and misalignment.
  • The inner tank is designed with large arc corners, no dead corners, and easy to clean and maintain.
  • Stainless steel wire drawing treatment with strong corrosion resistance.
  • The shelf can be disassembled and can be freely adjusted up and down, with a minimum spacing of 30mm.
  • Built in tempered and double-layer observation window to make the objects in the chamber clear at a glance.
  • The anti-scalding design of the door handle makes it easy to open and close the door.

Humanized design

  • English menu to meet different language needs.
  • Can perform temperature conversion at ° C/℉.
  • Stackable placement, saving laboratory space.
  • Screen self-locking function.


  • Equipped with leakage protection device to ensure the safety of operators and other equipment in the laboratory.
  • Self-diagnosis function: display fault information, which is convenient for judging the fault point.
  • The insulation material is made of high-quality aluminum silicate cotton, and the insulation layer of the chamber is thickened to ensure a lower temperature on the surface of the chamber and safer operation.
  • Internal limited temperature control sound alarm system, the heating stops working when the temperature limit is exceeded, and the sound automatically alarms when the alarm temperature is exceeded.
  • High or low temperature and over-temperature alarm.


Capacity(L) 34 51 138 188
Circulation Forced air convection
Dimension(W*D*H) Internal (mm) 340*320*320 420*350*350 550*450*560 600*550*570
External (mm) 630*570*500 710*520*520 845*700*730 890*730*780
Temperature Range (℃) RT+10-250
Fluctuation (℃) ±0.5
Resolution (℃) 0.1
Uniformity (℃) 2.5%
Sensor PT100
Controller PID
Display LCD
Timer(min) 1-9999
Material Internal Stainless steel
External High-quality cold-rolled steel plate surface anti-static spraying
Shelves 2
Safety Device Leakage protector / Over- temperature alarm
Electricity Voltage/Frequency(V/Hz) AC 220/110V, 50/60Hz
Consumption (W) 500 750 1500 2000
N.    W./ G.W. (kg) 27/30 42/48 70/88 86/167
Shipping Dimension (W*D*H)  (mm) 650*650*980 760*640*640 810*900*960 990*860*940
Standard Shell:Laser operation

Inner tank: high quality brushed stainless steel

Fan: high quality fan

Heating pipe: high quality stainless steel heating pipe

Insulation: High-quality aluminum silicate silk cotton six-sided insulation

Electrical appliances: Leakage protector

Temperature control: with PID, timing, self-tuning, thyristor, LCD display

Optional Intelligent touch screen with program setting and data storage functions

Printer or RS 485 port (choose one), independent temperature limit controller, test hole


    Contact Us Now!

    We will usually contact you within 24 hours. You could also call us (+86-531-88982330) during working hours ( 8:30 am to 5:45 pm UTC+8 Mon.~Sat. ) or use the website live chat to get prompt reply.

    Contact Info

    Rm. 2014, Bldg. 3, Ligaoguojihuayuan, No. 1222, West Aoti Road, Lixia District, Jinan, Shandong

    Phone: +86-531-88982330

    Fax: +86-531-88983691


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