CNYST Type 2 Sound Meter Digital Sound Level Meters with Frequency Range 20Hz ~ 12.5kHz Self-generated Noise <25dBA Time Weighting F S I Frequency Weighting A C Z 8000 Groups Data Storage Transformer Turns Ratio Tester Minimum spacing of screen mesh:(25±2)mm

Minimum spacing of screen mesh:(25±2)mm

Weight: about 130g

Temperature coefficient (%/°C): 0

built-in high-capacity lithium-ion rechargeable battery

CNYST Type 2 Sound Meter Digital Sound Level Meters with Frequency Range 20Hz ~ 12.5kHz Self-generated Noise <25dBA Time Weighting F S I Frequency Weighting A C Z 8000 Groups Data Storage Transformer Turns Ratio Tester Minimum spacing of screen mesh:(25±2)mmAbout this item: Meets Class 2 sound level meter standards Modular design, on demand selection, cost effective Adopted digital signal processing technology, good stability Single range, large measuring range, no need to switch, simple and convenient operation Measurement range: 30 dB(A) ~ 130 dB(A), frequency range: 20 Hz ~ 12. 5 kHz, the main measurement index: Lp, Leqt, Lpeak, Leq, T, Lmax, Lmin, SEL, Lex8h, LAVG, TWA, DOSE, Ln (n = 5, 10, 50, 90,