Precision Hot Air Oven
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Precision Hot Air Oven
The Precision Hot Air Oven (LEGIO series) is a forced-convection oven for drying, curing and heat treatment of products, materials and components. Six chamber sizes are listed, LEGIO-072 to LEGIO-1000, from 450 x 400 x 400 mm to 1200 x 1000 x 600 mm inside. Horizontal and vertical layouts are offered.
How it works
A sirocco fan circulates air over a SUS304 stainless steel heater and through the chamber in a horizontal flow across the shelves. A touch screen controller, or a digital controller with a solid state relay, holds the set point. Two-step programming covers automatic start, stop, ramp and repeat; an upgrade adds up to ten programs for cycling work. An exhaust damper ventilates the chamber and shortens cool-down. A specimen power supply terminal switches the load off if the chamber faults. Overheat protection is four-tiered, and visual and audible alarms carry a diagnostic fault code.
The standard range is room temperature +10 °C to +200 °C, with 300, 500, 600 and 700 °C versions and customization available. Performance is fluctuation ±3 °C, uniformity ±0.1 °C at 200 °C and ±1.5% at 300 °C, resolution 0.1 or 1 °C, and heating to 500 °C in 30 min. The inner chamber is SUS304 stainless steel, the exterior powder-coated stainless steel plate, with PU and fiberglass wool insulation. Power is 4 to 15 kW by model, on single-phase 110 V or 220 V or three-phase 380 V, 50/60 Hz.
What is included
- Oven with sirocco fan circulation and SUS304 heater
- Controller with LED display and two-step programming
- Two shelves, rated for 40 lb or more
- Cable port, 50 mm, and control status indicator lights
- Exhaust damper
- Optional: USB or RS-232 PC interface with recording software; ten-program controller upgrade
Specify for your project
- Chamber size from the six listed, or a custom inner chamber size
- Maximum working temperature: 200, 300, 500, 600 or 700 °C
- Horizontal type (controller and blower at right) or vertical type (on top); single or double door
- Controller type and PC interface option
- Supply: single-phase 110 or 220 V, or three-phase 380 V
This description defines the product family. Guaranteed performance, included hardware, exclusions, interfaces and acceptance criteria are stated only in the project-specific technical proposal and approved datasheet.
Product Details
- Indoor temperature +10℃~50℃, 100℃,150℃,200℃,250℃, 300℃, 350℃,500℃,600℃,700℃, Customization is available.
- It is applicable to a variety of products, materials, components, electronics, automobiles, aviations, plastics, chemicals, foods, chemicals, etc.
- Offers two types of standard models: the space-saving vertical ovens and the horizontal ovens. Both provide horizontal airflow for even exposure to all samples. An exhaust damper is included to ventilate the oven and allow quick cool-down.
- The standard controller offers two-step programming for simple heat-up or shut-down steps. An inexpensive upgrade allows creation of up to ten programs for full cycling applications. The large display is easy to use and read. Four levels of overheat protection are included for safety. A wide variety of options are also available.
Features
- Stainless steel interior
- Exclusive controller with large LED display
- Two-step programmability with functions for automatic start, stop, ramp, and repeat
- Visual and audible alarm with diagnostic fault code
- Specimen power supply control terminal: turns specimen off if chamber faults
- Four-tiered safety system for overheat conditions
- Two shelves included standard, rated for 40 lbs. or more
- Exhaust damper for ventilating oven and fast cool-down
- Large variety of models and optional features
See additional model variations available in the right-hand column
Model types:
- Horizontal-type: Controller and blower to the right of the chamber
- Vertical-type: Controller and blower at the top of the chamber (air distributed horizontally from back wall)
Optional accessories
USB,RS-232 interface can be linked to Personal computer(PC) and achieve multi-level control & recording software management.

Technical parameters:
Model No LEGIO-072 LEGIO-270 LEGIO-480 LEGIO-600 LEGIO-720 LEGIO-1000 Inner chamber size(mm)W*H*D 450*400*400 600*900*500 800*1000*600 1000*1000*600 1200*1000*600 1200*1000*600 Exterior chamber size(mm)W*H*D 900*1050*550 1100*1600*650 1200*1700*840 1400*1750*840 1750*1750*840 1750*1750*840 Temperature range Indoor temperature +10℃~+200℃,300℃,500℃,600℃,700℃,Customization is available Performance Temperature fluctuation ±3℃ Temperature Uniformity ±0.1℃ AT 200℃;±1.5%AT300℃ Temperature resolution 0.1℃/1℃ Heating up time 500℃/30min Material Exterior chamber material Stainless steel plate+ Power Coated Inner chamber material SUS#304 stainless steel plate Insulation Material PU& Fiberglass wool System circulation system Sirocco fan Heating system SUS#304 stainless steel high-speed heater Controller Touch-screen controller or Omron E5AZ controller+ S.S.R. Door Single gate Double gate Other Components Cable port(50mm), control status indicator lights, loading shelves(2pcs for free) Safety protection device Over-heat protection circuit breaker,Control system overload protection,Overload indicator lamp. Power Supply AC 1Ψ 110V;AC 1Ψ 220V;3Ψ380V 60/50Hz Power(KW) 4 6 8 10 12 15 Customized service Welcome to Non-standard and Specail requirements,OEM/ODM orders.Customization of inner chamber size, tempreture&humidity range,ect. The technical information will be subjected to change without notice













