Sound Level Meter Multifunction with Printer AWA-5688

Fulfills Standards : IEC 61672 Class 2, IEC 61260 Class 2, IEC61252:2002, IEC 60651:2001 Type 2, IEC 60804: 2000 Type 2, ANSI S1.4: 1983 Type 2, ANSI S1.4A:1985 Type 2, ANSI S1.43:1997 Type 2, ANSI S1.25:1991 Microphone + Preamplifier : 1/2” prepolarized condenser microphone+ Preamplifier Correction Function : Diffusion field correction in order to comply with standards ANSI S1.4 Preamplifier : AWA14602 removable preamplifier Frequency Range :20 Hz ~ 12.5 kHz ± 1 dB (not including microphone) Total Measurement Range : 28dB-133dB Self-generated Noise : lt;23 dB(A), 28 dB(C), 35 dB(Z) Frequency Weighting : Parallel (simultaneous) A, C, Z Time Weighting : Parallel (simultaneous) F, S, I, Peak A/D Bits : 24 bits Sampling Frequency : 32 kHz Calibration : Using Sound Calibrator Class 2 model AWA6022A Correction Function : Diffusion field correction in order to comply with standards ANSI S1.4 Delay Time : The meter can delay 0~99s after pressing start measuring button Back Erase Function : Elimination of undesired noise; example barking dogs, cars, doors Display : 240×320 color screen, adjustable brightness, backlight can be closed Display Resolution : 0.1 dB Low battery indication : Symbol indicate low battery Data Storage : (32 Mb FLASH RAM SD card is optional) ◆ 3328 groups of integrating measuring results only. ◆ 3328 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are same.) ◆ 2663 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are different.) Internal Clock : Error less than 1 min/month Output Interface : AC Output (full scale): 1.0V AC RMS; Output Impedance: 1k Ω; Connector: φ3.5 mm stereo plug DC Output: 20mV/dB; Output Impedance: 1k Ω; Connector: DB-9 plug RS232 Interface: To computer for output some measurement results instantaneous values , also to mini-printer for printing