VTSYIQI Class 1 Sound Meter Integrating Sound Level Meter Noise Measurement with Integrating Function Wide Dynamic Range 10 Hz-20 kHz 25dB(A)-140dB(A) 8000 Groups Data Storage AC DC

VTSYIQI Class 2 Decibel Meter Integrating Sound Level Tester Handheld Class 2 Noise Decibel Meter with Self-generated Noise<25dBA 8000 Groups Data Storage Range 20Hz-12.5kHz 30dB(A)-130dB(A)

VTSYIQI Class 2 Digital Integrating Sound Level Meter 130dB(A) Sound Level Meter Integrating Noise Level Monitor with Mass Storage 8000 Groups Storage Range 20Hz-12.5kHz 30dB(A)-130dB(A)

VTSYIQI Class 2 Digital Sound Level Meter Integrating Noise Measurement with Integrating Function 20Hz-12.5kHz 30dB(A)-130dB(A) 8000 Groups Data Storage Time Weighting F,S,I Frequency Weighting A,C,Z

VTSYIQI Class 2 Integrating Sound Level Meter Advanced Sound Level Analyzer with Time Weighting F S I Peak Range 20Hz-12.5kHz 30dB(A)-130dB(A) Integrating 8000 Groups Mass Storage IEC61672-2002

VTSYIQI Class 2 Noise Meter Class 2 Integrating Sound Level Meter with Range 20Hz-12.5kHz 30dB(A)-130dB(A) Integral Time 1s-24h 8000 Groups Data Storage Self-generated Noise <25dBA

VTSYIQI Class 2 Noise Meter Integrating Decibel Meter Class 2 Sound Level Meter with Integrating Function Range 20Hz-12.5kHz 30dB(A)-130dB(A) 8000 Groups Data Storage 32kHz A/D Bits

VTSYIQI Class 2 Sound Level Meter Integrating Noise Level Meter with Range 20Hz-12.5kHz 30dB(A)-130dB(A) 8000 Groups Data Storage Data Logger and Noise Analysis Software

VTSYIQI Class 2 Sound Level Meter Integrating Sound Level Meter Noise Level Data Logger with Range 20Hz-12.5kHz 30dB(A)-130dB(A) Integrating Function 8000 Groups Data Storage

VTSYIQI Class 2 Sound Level Meter Sound Decibel Meter Portable Integrating Noise Level Meter with Range 20Hz-12.5kHz 30dB(A)-130dB(A) 8000 Groups Data Storage IEC61672-2002 Class 2

VTSYIQI Class 2 Sound Level Meter Sound Noise Meter Digital Integrating Sound Decibel Meter with Factory Noise InvestigeIntegrating Function Range 20Hz-12.5kHz 30dB(A)-130dB(A) 8000 Groups Storage

VTSYIQI Class 2 Sound Meter Sound Decibel Meter Integrating Noise Measurement with Integrating Function Range 20Hz-12.5kHz 30dB(A)-130dB(A) 8000 Groups Data Recoding and Data Logging Function