ZAWA5688 Class 2 Sound Level Meter
A modular handheld instrument for environmental and industrial noise surveys, workplace noise assessments, boundary measurements and impulse or peak noise testing.
5.0
design customization
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Class 2 Sound Level Meter
A modular handheld instrument for environmental and industrial noise surveys, workplace noise assessments, boundary measurements and impulse or peak noise testing.
Key Features
- 28 to 133 dB total measurement range.
- Integration is the basic function; statistical, octave, FFT, dose, recording and other modules are optional.
- Simultaneous processing supports comprehensive measurements when the relevant modules are enabled.
- 240 × 320 color display with multiple measurement views.
- PC data transfer, optional GPS and optional Bluetooth control.
Acoustic Performance
| Parameter | Specification |
| Standards | IEC 61672 Class 2; IEC 61260 Class 2; IEC 61252:2002 |
| Microphone | 1/2-inch prepolarized free-field condenser microphone; sensitivity level -40 dB |
| Preamplifier | Removable ZAWA14602 |
| Frequency range | 20 Hz to 12.5 kHz, ±1 dB, excluding microphone |
| Total measurement range | 28 to 133 dB |
| Self-generated noise | <23 dB(A), 28 dB(C), 35 dB(Z) |
| Frequency weightings | Simultaneous A, C, Z, B and D |
| Time weightings | Simultaneous F, S, I and Peak |
| A/D conversion | 24 bits |
| Sampling frequency | 32 kHz |
| Calibration | Class 2 sound calibrator ZAWA6221B |
| Measurement parameters | LXYp, LXYi, LXeq,1s, LXeq,T, LAE, E, Cpeak, LAFmax, LAFmin, LAFeqT, LASeqT and LAIeqT |
| Internal memory | 32 Mb flash memory |
| Integration result storage | 3,328 groups |
| Statistical result storage | 3,328 groups with the same indices in both analyzers; 2,663 groups with different indices |
| SD card | Optional 32 GB SD card; requires the appropriate program |
| Display | 240 × 320 color display; adjustable brightness; backlight can be switched off |
| Display resolution | 0.1 dB |
| Low battery indication | On-screen symbol |
| Start delay | 0 to 99 s |
| Back erase | Excludes undesired noise events from the measurement |
| Field correction | Diffuse-field correction for ANSI S1.4 |
Notation: X denotes A, C or Z frequency weighting; Y denotes F, S or I time weighting.
N denotes a statistical percentile from 1 to 99. Available functions depend on the enabled software modules.
Integration Statistics and Spectra
| Parameter | Specification |
| Basic integration | LXYi, LXYp, LXeq,t, LXeq,T, LXmax, LXmin, LXpeak, LAE, LC-A and SEL |
| Integration time | 1 s to 99 h 59 min 59 s |
| Display modes | Simple, List, Huge and Big |
| Optional statistics | Automatic statistical analysis and 24-hour noise monitoring |
| Statistical parameters | LXYp, LXeq,0.5s, LXeq,T, LXYmax, LXYmin, LXYeqT, SEL, LN and SD |
| 24-hour parameters | Ld, Ln and Ldn |
| Optional octave filters | Parallel 1/1-octave filters; IEC 61260:1995 Class 2; base G10 = 10^(3/10) |
| Octave center frequencies | 31.5, 63, 125, 250, 500, 1,000, 2,000, 4,000 and 8,000 Hz |
| Optional third-octave analysis | 20 Hz to 12.5 kHz; IEC 61260:1995 Class 2 |
| Spectral weighting | Selectable A, C and Z |
| Spectral analysis rate | 50 analyses/s |
| Spectral display | List and graph modes |
| Spectral parameters | LXYp, LXeq,0.5s, LXeq,T, LXYmax, LXYmin and Tm; NR is additionally listed for 1/1-octave analysis |
| Optional FFT | 2,048 lines; sampling frequencies 32, 16, 8, 4 and 2 kHz |
| FFT results | MAX, MIN and LeqT |
| FFT windows | Hanning, Blackman, flat-top and rectangular |
Notation: X denotes A, C or Z frequency weighting; Y denotes F, S or I time weighting.
N denotes a statistical percentile from 1 to 99. Available functions depend on the enabled software modules.
Optional Exposure and Recording
| Parameter | Specification |
| Dosimeter standard | IEC 61252:2002 |
| Exchange rates | 3, 4, 5 and 6 dB |
| Selectable threshold | 40 to 90 dB |
| Selectable criterion level | 70 to 90 dB |
| Noise dose range | 0.01 to 999.99% |
| Access control | Key lock with restricted access |
| Dose parameters | LASp, LASMAX, LASMIN, TWA, LEX,8h, LCpeak, LZpeak, LAeq,T, LAVG and DOSE |
| Dose logging | 1 min; LAVG1m, LAeq1m, LCpeak, LZpeak, LASmax and LASmin |
| General data logging | Lp, Leq and other processed indices and frequency-analysis data; contents depend on enabled analyzers |
| Logging interval | 20 to 2,000 ms in 20 ms steps |
| PC export | Logged data can be transferred to PC; compatible saved data files can be opened in Excel |
| SD operation | Requires the relevant program; USB mass-storage access to the card |
| Audio formats | 8,000 samples/s at 8 bits; 32,000 samples/s at 32 bits |
| Audio files | WAV with calibration information; recorded on SD card |
| Maximum recording per file | Less than 1 h at 32 kHz; less than 12 h at 8 kHz |
| Playback | On the instrument or a computer |
| GPS option | Longitude, latitude, altitude and movement speed can be saved with the noise results |
Functions on this page require the corresponding optional module or accessory.
Interfaces and Operating Conditions
| Parameter | Specification |
| AC output | 1.0 V RMS at full scale; 1 kΩ output impedance; 3.5 mm stereo connector |
| DC output | 20 mV/dB; 1 kΩ output impedance; DB9 connector |
| RS232 | PC data transfer and mini-printer connection; 4,800, 9,600 or 115,200 bps |
| USB | Driver-free connection; communication-command control |
| Power supply | Four LR6 alkaline or rechargeable batteries; 5 V external supply |
| Battery life | Up to 30 h with four LR6 alkaline batteries |
| Clock accuracy | Error <1 min/month |
| Operating temperature | -10 to +50 °C |
| Storage temperature | -20 to +70 °C |
| Relative humidity | 25 to 90% |
| EMC category | Type X |
| Printing | Compatible mini-printer |
| Bluetooth option | Smartphone communication and wireless instrument control |
| Dimensions | 240 H × 80 W × 30 D mm |
| Weight | 0.35 kg including batteries |
Supplied and Optional Accessories
| Parameter | Specification |
| Supplied windscreen | ZAWA8734, 60 mm diameter |
| Supplied power adaptor | ZAWA8522, 5 V / 2 A |
| Supplied USB cable | ZAWA8730, mini-USB connector |
| Supplied update and serial cable | ZAWA8760, update and RS232 cable |
| Supplied carrying case | ZAWA8780 |
| Supplied software media | USB flash drive with transfer software |
| Other supplied items | Hand strap, windscreen retention rubber and user manual |
| Optional printer | ZAH40 mini-printer |
| Optional memory card | 32 GB SD card; requires the appropriate program |
| Optional calibrator | ZAWA6221B Class 2 sound calibrator |
| Optional extension cable | ZAWA8732 in 5, 10 or 20 m lengths |
| Optional tripod | 1.46 m height |
| Optional GPS | GPS positioning module |
| Optional outdoor enclosure | ZAWA2581 outdoor noise monitoring case |
| Optional Bluetooth | Smartphone control module |
The basic configuration includes integration. Specify statistical, octave,
FFT, dosimeter, data-logging, recording and GPS requirements separately.
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Contact Person: Lisa Niu
Phone Number: +86-15699785629
WhatsApp: +86-15699785629
Company Address: Room 19B, 17th Floor, Building 1, No. 48 Dongzhimenwai Avenue, Dongcheng District, Beijing