Features：
1. Material:
External: cold-rolled steel with electrostatic spraying (Door: heat isolation door with hollow tempered glass observation window; adjustable air-tight buckle lock and silicon rubber seal.)
Internal: stainless steel with semicircular arcs at corners (Racks:stainless steel, height adjustable)
2. PID microprocessor controller
4. Vertical double duct Lining, turbine centrifugal fan ensures uniform temperature.
5. Protection:
Audible and visual over-temperature alarm and automatic cut-off;
Parameter-memory function when power off suddenly.
Difference between MK-HAS and MK-HAS-I Series:
1. HAS-I series, fan speed is adjustable.
2. Display: HAS series with LED display, HAS-I series with LCD display
3. HAS-I series with independent audible and visible over-temperature control alarm device, automatic cut-off when over-temperature during outage. (except 230L)
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