Supply Hangzhou Aihua AWA6228 + 1 Sound Level Meter

The instrument can be widely applied in the fields of environmental protection, labor and health, industrial enterprises, scientific research and teaching, completion of environmental noise measurement, sound power level measurement, noise measurement equipment and building acoustic measurements. Optional real-time spectrum analysis of noise octave analysis software package available. Environmental noise countries meet three new standards issued by GB 3096-2008 "sound environmental quality standards", GB 12348-2008 "boundary of industrial enterprises of environmental noise emission standards" and GB 22337-2008 "social life of environmental noise emission standards" requirement . You can set the ribbon type, day or night, A or B room, also shows the measured values ??and the corresponding standard limits, automatically determine the structure-borne equipment national indoor environmental noise is excessive. Features: ◎ using digital signal processing technology, simultaneously (in parallel) measuring three frequency weighting, the three time-weighted sound level, optional real-time measurement of the noise spectrum filter; ◎ according to the new standard peak C sound level measurements impulse noise; ◎ 100dB linear operating range, without measurement conversion range; ◎ can be automatically corrected noise of the machine, expand the measurement range; ◎ Optional embedded GPS positioning system; ◎ optional precision pairing noise recording and playback; ◎ Optional or upgrade to the SD card, available USB interface to connect to a computer; ◎ An external GSM SMS module, the measurement results can be sent via SMS to a designated mobile phone or computer; ◎ optional noise statistical analysis packages and / or octave analysis Packages; ◎ automatically determine the structure-borne equipment national indoor environmental noise is excessive. Key performance indicators: 1 microphone: Φ12.7 mm (1/2 ") pre-polarized condenser microphone 2 test frequency range: 10 Hz ~ 20 kHz ± 1 dB (without microphone) 3 measurement limit: 130dB, expandable up to 140dB 4 Dynamic range: greater than 110dB (A-weighted) 5 Time weighting: parallel (simultaneously) F, S, I, and Peak 6 frequency weighting: parallel (simultaneous) A, C, Z 7 filter (optional): parallel digital filters, octave 8A / D digits: 24 9 Sampling frequency: 48kHz 10 instrument types: one or two 11 Display:. 128 × 128 dot matrix LCD contrast 16 adjustable, with . LED-backlit 12 basic measurement functions: List or shown simultaneously measuring LPA, LPC, LPZ three frequency weighted sound pressure level, the equivalent continuous sound level Leq 13 statistical integral measuring time: Manual, 1s to 99 hours arbitrarily set or binned set 14 data storage: the statistical analysis or results of spectral analysis with distribution of 128 sets of output interface 15: 1) AC output: Output power: 150mW, which can be accessed 8Ω headphones 2) DC output: Output ratio : 20mV / dB 3) RS232 Interface: mini-printer connected to the AH40 measurement results and related graphics 4) USB Interface: SD card via USB cable into U-16 calendar clock: error is less than 1 min / month, you can GPS timing, school 17 Power: Section 4 LR6 (5) batteries or external power supply 5V, operating current of about 100mA 18 Operating temperature:. -10 ℃ ~ 50 ℃ 19 Dimensions (mm): 260 × 80 × 30 20 mass (kg): 0.3 Selection guide: AWA-6228 + 1: 2 level statistical analysis AWA-6228 + 2: 2 级, 1/1 OCT analysis AWA-6228 + 3: 2 级, 1/1 OCT analysis, Statistical analysis AWA-6228 + 4: 1, statistical analysis AWA-6228 + 5: 级 1, 1/1 OCT analysis AWA-6228 + 6: 级 1, 1/1 OCT analysis, statistical analysis AWA-6228 + 7: 1, 1/1 and 1/3 OCT analysis AWA-6228 + 8: 1, 1/1 and 1/3 OCT analysis, statistical analysis based on selection of built-in software supports configuration of different :() Software Package Name Number microphone and preamplifier measurements frequency range of the machine noise S6228-00101 environmental noise measurement software package, in line with IEC 61672 1 AWA14425 level and AWA14601 basic functions plus statistics sound level LN (N is an arbitrary number), 24-hour automatic monitoring. 10Hz ~ 16kHz 20dB (A) 25dB (C) 30dB (Z) S6228-00202 octave analysis software package, in line with IEC 61672 1 AWA14425 level and AWA14601 basic functions redouble band spectral analysis, filter center frequency: 16 Hz ~ 16 kHz, in line with IEC Level 61260 1 10Hz ~ 16kHz 20dB (A) 25dB (C) 30dB (Z) S6228-00101 environmental noise measurement software package, in line with IEC 61672 2 AWA14421 level and AWA14602 basic functions plus statistics sound level LN (N is an arbitrary number), 24 hour automatic monitoring. 20Hz ~ 12.5kHz 23dB (A) 28dB (C) 33dB (Z) S6228-00202 octave analysis software package, in line with IEC 61672 2 AWA14421 level and AWA14602 basic functions redouble band spectral analysis, filter center frequency: 31.5 Hz ~ 8 kHz, in line with IEC class 61260 2 20Hz ~ 12.5kHz 23dB (A) 28dB (C) 33dB (Z) Other optional features: 1) GPS positioning function: 2) SD card mass storage function: when connected with USB interface When the computer, the instrument into the SD card U disk. 3) Recording function (with optional SD card mass storage module). 4) External AH40 printer.