High Temperature Sterilizer, Large Capacity Dry Heat Stainless Steel Sterilizer with Temp and Timer Control, Max timing 60min, Max temperature 250℃ (482℉), With Stainless Trays

1、 Product parameters
Product Name: Vertical High Temperature Furnace/High Temperature Sterilizer/Dry Heat High Temperature Sterilization Equipment
Capacity: 12L
Installation method: desktop
Brand: Other
Appearance: Vertical rectangular prism (switch below)
Working mode: electric heating+heating tube temperature control (mechanical knob: one controls temperature, one controls time), mainly achieved through high-temperature dry and hot air sterilization.
Working time: ≥ 30 minutes
Power supply voltage: 110-240V
Rated power: 1000W
Rated voltage: 110V~240V, 50/60Hz
Temperature range: 50-220 ℃ (can be heated 1-2 hours in advance, easy to use.)
Origin: Foshan City, Guangdong Province
Net weight: 3.25KG
Gross weight: 3.5KG
Panel material: metal iron plate spray painted
Inner liner material: Iron plate
Product size: 22.5 * 21.5 * 31.5CM
Packaging size: 28 * 26.5 * 38CM
Control mode: mechanical control/microcomputer touch control
Washing method: wiping
Opening and closing method: downward opening
Color: Black, White (customizable for large quantities)
Product List: Host * 1+Power Cord * 1+Instruction Manual * 1
Applicable scenarios: Disinfection and sterilization of metal tools in tattoo shops, earring shops, ear picking shops, etc.
Applicable products: Metal products, items that can withstand high temperatures.
Packing quantity: 4PCS
Packing size: 58 * 54.5 * 41cm
Packing weight: 17.5 kg
Display mode: None
Functional difference: None
Common heating and disinfection items:
-Disinfection: Metal jewelry, keys, tattoo tools, ear picking tools, etc
Power cord: 1.2 meters
Sealing instructions: None.

2、 Usage method

1. Preparation work
   -Check the water level in the water tank (covering the heating tube and not exceeding the height of the temperature sensor), and it is recommended to use distilled water to prevent scaling.
   -Clean and dry the items to be sterilized, then place them in an inner basket (not exceeding 80% of the capacity, leaving gaps between the items).
2. Operation steps
   -Close the cabinet door and tighten the seal, then connect the 220V power supply.
   -Rotate the “temperature knob” (usually 121 ℃) and “time knob” (15-30 minutes, adjust according to the item).
   -The equipment automatically heats up to generate steam and keeps the cabinet door closed during the sterilization process.
3. End and retrieval
   -After sterilization is completed, wait for the pressure to return to zero and the temperature to drop below 60 ℃.
   -Wear insulated gloves and open the cabinet door to take out items; Clean the chamber and dry it after use.

4、 Applicable items
Only applicable to items that are resistant to high temperatures, dry heat, and moisture, including:
——》Metal products: stainless steel scissors, tweezers, surgical knives, dental instruments, nail tools, etc.
——》Glass products: glass test tubes, culture dishes, beakers, thermometers (glass models), etc.
——》Ceramics: ceramic vessels, high-temperature resistant beauty tool bases, etc.
——》High temperature resistant plastics: Some high temperature resistant appliances made of PTFE and PP materials (need to confirm that the material has a temperature resistance of ≥ 120 ℃).
——》Only applicable to metal tools that are resistant to high temperature and pressure, such as:
——》Beauty nail tools (scissors, tweezers)
——》Dental/Small Medical Devices
——》Laboratory metal tools (inoculation rings, tweezers)
❌ Prohibited items:
Plastics that are not resistant to high temperatures (such as ordinary PP and PE, will deform/release harmful substances).
Flammable/explosive materials (such as alcohol swabs, oils and fats).
Items that are damp/have moisture (can affect sterilization effectiveness and may cause rusting inside the cabinet).
Rubber and leather (will age and deform at high temperatures).
Prohibited to put: plastic, rubber, glass sealed containers, liquids, flammable and explosive materials, etc.

5、 Applicable scenarios
This device is a “mini type” suitable for sterilization of small batches and small items. The main scenarios include:
——》Beauty/nail art/SPA institutions: disinfect beauty tools (such as scissors, tweezers, nail art equipment).
——》Small medical institutions/clinics: disinfection dental instruments, acupuncture and moxibustion needles, small surgical tools (non implantable).
——》Laboratory/Research Scenario: Disinfect glassware (test tubes, culture dishes), metal experimental tools.
——》Home/Small Studio: Disinfect and heat-resistant personal care tools (such as razors and scissors).
——》Beauty nail salon, embroidery studio
——》Small dental/clinic
——》Laboratory (Microbiology/Chemistry)
——》Small processing plant (metal tool cleaning)

6、 Introduction to Working Principle

1. Core sterilization mechanism: Dry heat destroys microbial structure

The essence of dry heat sterilization is to use high temperature to irreversibly denature the proteins and nucleic acids of microorganisms, while destroying the stability of cell membranes, ultimately leading to the death of microorganisms (including stubborn pathogens such as bacterial spores and fungal spores).
Protein denaturation: When the temperature exceeds 120 ℃, the spatial structure of microbial proteins (such as hydrogen bonds and peptide bonds) is disrupted, resulting in the loss of enzyme activity and life functions.
Nucleic acid degradation: High temperature can cause the double helix structure of DNA/RNA to break, making replication and metabolism impossible.

2. Complete workflow: heating → constant temperature sterilization → cooling

After the heating stage equipment is powered on, the built-in electric heating tube (1000W power) quickly heats up, heating the air inside the chamber through thermal radiation and convection:
-Thermal radiation: The electric heating tube directly radiates heat to the inner wall of the cavity and the surface of the object;
-Thermal convection: Hot air rises and cold air sinks inside the cavity, forming a cycle that causes the temperature of the cavity to rise uniformly (usually up to 121 ℃ in 10-15 minutes).
Note: The heat dissipation holes on the side of the body are designed to balance the air pressure inside and outside the cavity, avoiding damage to the equipment caused by excessive pressure.
During the constant temperature sterilization stage, when the temperature of the chamber reaches the set value (usually 121 ℃ by default, which can be adjusted through a knob), the temperature sensor will provide feedback signal, and the equipment will enter the “constant temperature mode”:
The electric heating tube works intermittently to maintain a stable chamber temperature within the target range (± 2 ℃);
This stage needs to be maintained for 15-30 minutes (adjusted according to the type of item) – because bacterial spores have strong heat resistance and require sufficient time to be completely inactivated.
After the sterilization time of the cooling stage is over, the electric heating tube stops working, and the heat inside the chamber is naturally dissipated through the body’s heat dissipation holes. The temperature gradually drops to below 60 ℃ (to avoid burns caused by high-temperature objects and to prevent items from getting damp due to sudden cooling).

3. The difference between steam sterilization (why is it “dry heat”)

Many small sterilizers use “steam sterilization”, but this one belongs to “dry heat”:
Steam sterilization relies on the “moist heat” of high-temperature steam (strong penetration and fast sterilization speed), but requires a water tank to generate steam;
And this product does not generate steam and relies entirely on dry hot air sterilization inside the chamber – the advantage is that it will not let metal tools get damp or rust, making it more suitable for small metal utensils; The disadvantage is that the sterilization time is slightly longer than steam sterilization.

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