SPECIFICATIONS Model Number 2-27.doc

This is a specifications document for a Despatch LBB series forced convection oven bench-top model related to a state and local contract opportunity in Maine. The document outlines the technical and physical specifications for a Model Number 2-27 oven, which features a 37 x 37 x 35 inch chamber with a capacity of 27.7 cubic feet. The oven is equipped with two doors and provisions for up to 16 shelves on 2-inch centers, with two shelves provided as standard. The unit requires 240-volt, single-phase electrical service with a 4.8 kW heater and must be hardwired without a cord and plug. The oven weighs approximately 550 pounds net and 635 pounds when shipped.

The oven's functional specifications indicate rapid heating capabilities, reaching 150 degrees Celsius in 17 minutes and 204 degrees Celsius in 33 minutes with no load. Temperature uniformity is maintained at plus or minus 3 degrees Celsius at 150 degrees Celsius and plus or minus 4 degrees Celsius at 204 degrees Celsius across nine test points in an empty chamber. The operating range extends from 40 to 204 degrees Celsius with a 20 degree Celsius ambient temperature, with control stability of plus or minus 0.5 degrees Celsius. The oven supports a maximum load capacity of 600 pounds, with standard shelves rated for 50 pounds each and reinforced shelves for 200 pounds each. Recovery time after door opening is one minute at 150 degrees Celsius and four minutes at 204 degrees Celsius, with adjustable exhaust capacity up to 14 cubic feet per minute.