Labotronics Portable Steel Autoclave is a benchtop sterilization unit with automatic electric heating control. Its self-expanding seal maintains an airtight chamber, while the top-mounted analog gauge displays temperature. The unit incorporates automatic overpressure discharge, a dual-scale numerical pressure gauge, an axially rotating interior for convenient operation, and a locking mechanism. Manufactured for sterilizing glassware, metal instruments, biological products, utensils, medical equipment, and culture media in botanical, zoological, biochemical, forensic, pharmaceutical, cytology, immunology.