GAOTek Sound Level Analyzer

Description Overview GAOTek sound level analyzer is a Sound level tester, Sound Dosimeter, Noise level meter, Programmable Sound Level Meter, Integrating Sound Level Meter, Noise Dose Meter, Sound Analyzer, Sound Level Analyzer, Octave band sound level meter, Sound Level Meter Datalogger, sound level meter calibrator, Sound Level Calibrator   Features Handheld Noise Measuring Instrument Capable of Sound Level Meter (SLM) Integrating SLM FFT Analyzer, and Noise Dosimeter Display 24 Statistical analysis Real-time, FFT analysis Noise dosimeter measure Compliance with Standards   Technical Specifications Fulfils Standards IEC 61672 Class 1, IEC 61260 Class 1, IEC 61252:2002, IEC 60651:2001 Type 1, IEC 60804: 2000 Type 1, ANSI S1.4: 1983 Type 1, Fulfils Standards ANSI S1.4A:1985 Type 1, ANSI S1.43:1997 Type 1, ANSI S1.25:1991 Microphone preamplfier 1/2” prepolarized condenser microphone Preamplifier (Sensitivity Level: -28dB) Preamplifier AWA14601 removable preamplifier Frequency Range 10 Hz to 20 kHz ± 1 dB (not including microphone) Total Measurement Range Low range: (20 to 132) dBA, (25 to 132) dBC, (30 to 132) dBZ Total Measurement Range High range: (30 to 142) dBA, (35 to 142) dBC, (40 to 142) dBZ Self generated Noise <12 dB (A), 17 dB (C), 22 dB (Z) Frequency Weighting. Parallel (simultaneous) A, C, Z, B, D and user1&2 defined weighting Time Weighting Parallel (simultaneous) F, S, I, Peak Measurement Parameters Lxyp, Lxyi, Lxeq,1s, Lxeq,T, LAE, E, Cpeak, LAFmax, LAfmin, LAfeqT, LAseqT, LAieqT. Note: X is A, C, Z and Y is F, S, I A or D Bits: 24 bits Sampling Frequency 48 kHz Calibration Using Sound Calibrator Class 1 model AWA6221A Correction Function Press field correction in order to comply with standards ANSI S1.4 Delay Time The meter can delay 0 to 99s after pressing start measuring button Back Erase Function Elimination of undesired noise; example barking dogs, cars, doors Display 240 x 320 color screen, adjustable brightness, backlight can be closed Display Resolution 0.1 dB Low battery indication Symbol  indicate low battery Data Storage  3328 groups of integrating measuring results only. 32 Mb FLASH RAM 3328 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are same.) SD memory card is optional)  2663 groups of statistical results only (‘statistical 1’ and ‘statistical 2’ analysis index are different.) Print (Optional) Mini-printer Internal Clock Error less than 1 min or month Output Interface AC Output (full scale): 1.0 V AC RMS; Output Impedance: 1 k Ω; Connector:1.37 in  (3.5 mm) stereo plug DC Output: 20 mV or dB; Output Impedance: 1 k Ω; Connector: DB 9 plug RS 232 Interface: To computer for output some measurement results instantaneous values , also to mini-printer for printing Transmission speed: 4800 bps, 9600 bps,115200 bps USB Interface: available and no need device drive. Allow USB to be controlled via communication commands Power Supply 4 × LR 6 alkaline battery or rechargeable batteries 5 V external power supply Battery Life Longest time of 30 hours continuously with 4 × LR6 alkaline battery EMC Type X Accesories AC adaptor, USB cable, RS232 transmission cable, windscreen, hand strap, windscreen fall prevention rubber, carrying case, U-disk, user’s manual Working Temperature 14 °F to 122 °F ( -10 °C to 50 °C) Storing Temp  4  °F to 158 °F (-20 °C to 70 °C) Relative Humidity 25 % to 90 % Dimensions 10.23 in x 3.14 in x 1.18 in (260 mm x 80 mm x 30 mm) Weight 0.77 Ib (0.35 kg) (include batteries)