Features:
All functions are microcomputer controlled
Extremely quiet operation
Digital power adjustment and indicator
High efficiency using a solid-sate generator
Self-diagnostics including fault and misoperational voice messages
Control of the temperature with thermocouple or optical sensor (Additional purchases part)
Gas blow pipe to prevent oxidation (Additional purchases part)
PCB of MNF4000+ is IGBT, higher quality, melting time shorter, machine is more durable.