... integrated with many functions I. Summary HS6288E Multi-functional Sound Level Analyzer is a portable and intelligent ... The meter is structurally compact and slinky with multi-functions and highly automated. It can be ... , Low, linearity range of each level ≥60dB8 Meterage Timing Set: 10s,1min, 5min, 10min, 15min, 20min,30min , ... ~50°C, relative humidity: 20%~90% Multi-functional Sound Level Analyzer