... functions I. Summary HS6288E Multi-functional Sound Level Analyzer is a portable and intelligent instrument integrated with many ... , Month, Date, Hour, Minute, Second, running automatically.9 Automatic Metering: LA,Leq,,LN(L5,L10,L50,L90,L95),SD ... ,Lmax, Lmin,Ld,Ln,Ldn, etc.10 Automatic Storage of Metering Data: 500 groups11 Displayer: large ... humidity: 20%~90% Multi-functional Sound Level Analyzer