The L 1/11 - LT 40/12 series is the right choice for daily laboratory use. These models stand out for their excellent workmanship, advanced and attractive design and high level of reliability. The furnaces come equipped with either a folding door or lift door at no extra charge.r- Heating from two sides by ceramic heating platesr- Ceramic heating plates with integral heating element which is safeguarded against fumes and splashing and easy to replacer- Highly durable cured vacuum fibre module liningr- Casing made of sheets of textured stainless steel (non-rusting design)r- Double-walled casing for low external temperatures and high stabilityr- Optional flap door (L) which can be used as work platform or lift door (LT) with hot surface facing away from the operatorr- Adjustable air inlet integrated in doorr- Exhaust air outlet in rear wall of furnacer- Silent solid-state power control relayrBasic controller R6 has 1 single program control, 1 segment and allows introduction of programs in steps of 1ºC or 1 minute. B180 is an intermediate controller with digital PID regulator, 1 storable program, 1 heating ramp as 1 maintenance time, blue and white graphic color display with great visibility, programmable automatic switch on.rP330 controller is the most advanced. Provided with: introduction of data via keyboard, LC display, 9 storable programs, 40 segments, possibility of changing temperature and hold time during operation of the program, possibility of programmable automatic on/off, among a wide range of integrated features.rHigher volumes are available.