Equipment · Incubators and warm holds
Small warm fermentation cupboard
A small washable enclosure with adjustable shelves and a guarded heat source, used for warm fermentation of foods that need a temperature above room level.
What it is
A small warm fermentation cupboard is an insulated, washable enclosure with adjustable shelves and a guarded, correctly rated heat source. Foods go in their own suitable vessels rather than directly on the shelves. The brief calls it a strong reusable demonstration and a moderate-complexity build.
Sensors should answer two questions: what the air in the cupboard does, and what the product temperature is. The product temperature is the one that matters for food.
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Heating and its limits
A warming-only cabinet can be inexpensive, and it works in a cold room. It cannot guarantee a target below room temperature, so it is not a cooling chamber. Warm holds for yoghurt in the Colorado State guidance keep a target near 110 F (about 43 C), which a heat-only cupboard can reach in a cold room.
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Comparing sizes
The brief suggests comparing a small insulated shell with a larger cupboard, and mapping shelf-by-shelf differences under a full load. Results should be published per food rather than as a single profile.
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Equipment details
Limits
A heat-only cabinet cannot reach a target below room temperature.
Source →Shelf differences and full-load behaviour are not yet measured; the brief asks for separate modules per food rather than one universal profile.
SourcePlaces
Documented for international use, with no single place of origin assigned.
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Sources
Colorado State University ExtensionMethod · Safety
Yogurt making at home (Colorado State University Extension)Target near 110 F (43 C) with plus or minus 5 F; cooler method keeps water at or above 110 F; 4 to 12 h; below 110 F is still safe but looser.
Cited in: What it is; Heating and its limits; Comparing sizes