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The Carbolite Gero ELF 11/14 is a light-duty, bench-mounted laboratory chamber furnace precision-engineered for general-purpose thermal processing, routing sample ashing, preheating, and materials testing. Providing a well-balanced chamber volume of 14 litres and a maximum operating temperature of 1200 °C (with a maximum continuous operating limit of 1000 °C), this muffle furnace is globally recognized as an economical and reliable workstation for daily laboratory operations. The advanced thermal architecture combines free-radiating wire elements with vacuum-formed, low thermal mass insulation embedded neatly into the chamber walls, ensuring excellent heat-up rates (reaching maximum temperature in just 43 minutes) and high energy efficiency.
Operational ergonomics and user protection are central to the ELF 11/14 layout. It features a smooth drop-down door mechanism designed with an integrated air gap that actively minimizes outer skin temperatures during prolonged high-temperature cycles. To safeguard the structural core against recurring friction, physical shock, or scraping during crucible positioning, the chamber floor is outfitted with a hard-wearing, heavy-duty ceramic hearth liner as standard. Thermal cycles are closely managed by the reliable Carbolite Gero 301 digital PID controller, supporting smooth single-ramp control to setpoint, automated delayed start, and integrated process timing, while an outgassing ceramic chimney mounted on top safely exhausts residual volatiles.
Light-Duty & General-Purpose Solution: Optimized for standard laboratory workflows, educational heat treatments, and routine analytical ashing without sacrificing build quality.
Drop-Down Door with Air-Gap Shielding: The downward-opening door acts as an ergonomic loading shelf while the dual-layer air gap keeps outer surface temperatures safe for operators.
Vacuum-Formed Insulation Core: Energy-efficient, low thermal mass insulation blankets the chamber to ensure rapid heating dynamics (43 mins) and stable temperature tracking.
Hard Ceramic Hearth Tile: Equipped with a rugged monolithic ceramic base plate that withstands continuous mechanical wear, scraping, and minor sample spills.
Top-Mounted Ceramic Chimney: Facilitates the natural thermal venting of smoke, water vapor, and decomposition gases away from the workspace.
Intuitive Digital Automation: Outfitted with the Carbolite Gero 301 PID controller, providing single-ramp heating profiles, digital process timing, and automated delayed start functions.
Brand / Model: Carbolite Gero ELF 11/14
Max Temperature: 1100 °C
Max Continuous Operating Temp: 1000 °C
Chamber Volume: 14 Litres
Heat-up Time: 43 Minutes to maximum temperature
Temperature Uniformity ($\pm5$ °C): Validated within an internal $170 \times 180 \times 205$ mm operational zone
Internal Dimensions (HxWxD): 210 x 220 x 310 mm
External Dimensions (HxWxD): 630 x 450 x 520 mm
Max Power: 2600 Watts
Holding Power: 1300 Watts
Thermocouple Type: Type K
Net Weight: 31 kg
