Important characteristics Temperature range: room temperature plus 5 °C to 300 °C APT.line™ preheating chamber technology Adjustable fan speed Adjustable exhaust air flap Controller with time-segment and real-time programming 2 chrome-plated racks Class 2 independent adjustable temperature safety device (DIN 12880) with visual alarm Computer interface: RS 422 FP53, FP115, FP240, FP400 and FP720