These economical gravity convection ovens are designed for the budget-conscious laboratory. Double wall interior with 1" (2.5 cm) silica-based insulation. Aluminum interior, durable powder coated cold-rolled steel exterior. This model utilizes a bimetallic thermostat to control temperature from ambient +5°C to 210°C (thermometer required for temperature monitoring). Pre-set high temperature limit safety thermostat is standard. A pilot light indicates oven operation status. One fixed, two adjustable chrome-plated wire shelves are included. 120-volt models have 3-wire cord and plug; 240-volt models have 3-wire line cord only. Specifications: Temp. Range: Ambient to 210°C, Temp. Uniformity @ 100° C: ±5° C, Rise Time to 200° C: 52 minutes.