HY9811 Series Electro-thermostatic Blast Oven is widely used in mechanical and electrical, chemical, plastic, light industry and other industries and scientific research units for baking, drying, curing, heat treatment, etc. of various products and samples. The working chamber is made of a mirror-surface stainless steel plate. The shell is made of cold-rolled steel plate coated with electrostatic powder. It adopts Omron (Japan) solid-state relay. The insulation layer uses superfine heat-resistant glass fiber cotton. It adopts grade A PT100 platinum resistance sensor with high accuracy. It uses a Nichrome heater. It has protections of over-temperature, grounding, etc. It has a double-layer tempered glass observation window, which allows observation of the test condition in the chamber at any time. The back of the machine is equipped with an adjustable discharge vent, which can also be closed. Technical Specification Model Chamber size: (mm) HY9811-70 400×350×500 HY9811-140 450×550×550 HY9811-225 500×600×750 HY9811-390 600×500×1300 HY9811-624 800×600×1300 HY9811-640 800×800×1000 HY9811-960 1000×600×1600 Model: HY9810 Series Temperature range: R.T+10 ~ 300℃ Temperature resolution: ±0.1℃ Temperature fluctuation: ±0.5℃ Timing range: 1~9999min No. of sample holders: 2 or 3 Power supply: AC220V, 50Hz/380V, 50Hz