Features

· A handhold noise measuring instrument

· Multifunction and user- friendly sound level meter

· 240 pixels × 320 pixels color screen

· Measurement ranges up to 133 dB

· Synchronously do integrating measure, statistical, real-time 1/1 OCT 1/3 OCT, FFT analysis and noise dosimeter measure

· Comply with IEC 61672 Class 2 and IEC61260 Class 2 and IEC 61252

· AWA5688 LCD Digital Audio Decibel Meter Sound Level Meter Noise Level Meter Sound Monitor dB Meter 28 dB to 133 dB mark

· Language is English and Spanish

Technical Specifications

Microphone	0.5 in (12.7 mm) repolarized condenser microphone for free field (Sensitivity Level of –36 dB)
Frequency Range	20 Hz to 12.5 kHz ± 1 dB (not including microphone)
Total Measurement Range	30 dB to 133 dB
Frequency Weighting	Parallel (simultaneous) A, C, Z, B, D
Time Weighting	Parallel (simultaneous) F, S, I, Peak
Sampling Frequency	32 kHz
Calibration	Using Sound Calibrator Class 2
Correction Function	Diffusion field correction to comply with standards ANSI S1.4
Display	240 pixels × 320 pixels color screen, adjustable brightness, backlight can be closed
Display Resolution	0.1 dB
Data Storage	3328 groups of integrating measuring results only
32 Mb FLASH RAM	(32G SD card memory function is optional)
Print	Mini printer
Transmission speed	4800 bps, 9600 bps ,115200 bps
Power Supply	4 × LR6 alkaline battery or rechargeable batteries 5 V external power supply
Battery Life	Longest time of 30 hours continuously with 4 × LR6 alkaline battery
Dimensions	9.44 in × 3.15 in × 1.18 in (240 mm × 80 mm × 30 mm)
Weight	12.35 oz (350 g)

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