Suitable for use with SMF, DSF, NZ-DSF and MM fibres, the FSM-50S is the successor to the world s best selling splicer, the FSM-40S. Producing an average SMF splice loss of just 0.02dB, and incorporating a new faster built-in heater. Features: * Fully automatic core alignment with 9 second splice time for SM fibre * Reduced splice protector shrink time - now only 35 seconds * Extremely compact and lightweight - just 2.8kg * Automatic fibre type identification * Multi-position monitor for front or top mounting * High capacity battery option for 120 splice/shrink cycles * Real time arc calibration * Fibre clamps integrated into wind protector to reduce operation time