TRIPLET LE RT Nicholson PRO # Quickly & accurately measure sound level i Mormon workplace equipment # Aids In Installation of alarm and home theater equipment 1 Testament proofing environments I Designed according fo APIECE (Typo 2) and ANSI S1.4 (Gyps 2) standards 1 A/C weighted measurement reads 30 fo 130dB 1 Segmented bar graph | Contactable FAST or SLOW road delay 1 Frequency range 31.5Hz to Giz 12 Accuracy: 11.
