... operation,clock set, 24h clock display, auto-meter and store data functions. It can store up to 1000 single group ... well-designed multi-functional and high-automatic appliance. It can be used to measure sound level in terms ... , C5.Time Weighting: F(Fast), S(Slow)6.Auto- Measuring: Leq,LAE,DL,Lmax,Ldn,Ld,Ln.7 ... /M/D Hour:Minute:Second real time display9.Data Auto-Storage: 1000 groups in total, 64 groups of ...