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Sound level meters

Sound is a sequence of waves of pressure that propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). Sound that is perceptible by humans has frequencies from about 20 Hz to 20,000 Hz. In air at standard temperature and pressure, the corresponding wavelengths of sound waves range from 17 m to 17 mm. During propagation, waves can be reflected, refracted, or attenuated by the medium.[2]

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tst0120-816-sound-level-meters-germany
TST0120-816 Sound level meters - Germany Accuracy class 2 to IEC 60651 Easy to adjust (adjustment screwdriver included) Frequency weighting to characteristic A and C Maximum and minimum memory Measure Hz and dB Sound level meters
tst0118-815-high-quality-sound-level-meter-germany
TST0118-815 High Quality Sound Level Meter (Germany) Accuracy class 2 to IEC 60651 Easy to adjust (adjustment screwdriver included) Frequency weighting to Characteristic A and C Maximum and minimum value memory Built-in tripod knuckle screw (1/4 inch) Sound level meters
ten512-tm-102-sound-level-meter
TEN512-TM-102 Sound Level Meter Product Description - IEC 61672, Type II - 30~130dB. - Auto Ranging. - LO, MED, HI ranges. Sound level meters
ten520-tm-103-datalogging-sound-level-meter
TEN520-TM-103 DATALOGGING SOUND LEVEL METER - IEC 61672, Type II - USB Datalogger with 14,000 records. - Auto Ranging. - 30~130dB. - LO, MED, HI ranges. Sound level meters
ten531-st-107-class-2-integrating-sound-level-meter-spl-leq-sel
TEN531-ST-107v2 CLASS 2 INTEGRATING SOUND LEVEL METER (SPL,LEQ,SEL) - Fast, Slow, Impulse response time. - Frequency range: 31.5Hz ~8KHz. - Measurement range: 30dB~130dB. - Dynamic range:100dB. - A/C/Z frequency. - Storage up to 32,000 records. - USB interface. - AC and DC output. - Bargraph display Sound level meters
1355
TES0012-1355v2 NOISE DOSIMETER WITH 5 EVENTS STORAGE /Datalogger/ PC Interface) Measure % Noise Dose / Exposure Time / Sound Level Real time clock with calendar(1355) RS-232 interface(1355) Sound level meters
ten585-st-109kki-class-1-wide-frequency-integrating-sound-level-meter-cum-analyser
TEN585-ST-109KKI CLASS 1 WIDE FREQUENCY INTEGRATING SOUND LEVEL METER CUM ANALYSER Specifications - Fast, Slow, Impulse, Peak response time. - Frequency range: 20Hz ~16KHz. - Measurement range: 30dB~130dB. Class 1   Integrating Sound Level Meter      Comply with IEC-61672-1 2002  Class1 Ideal for the assessment of   - Environmental noise. - Noise at workplaces. - Product noise    - Fast, Slow, Impulse, Peak response time. - Frequency range: 20Hz ~16KHz. - Measurement range: 30dB~130dB. - Dynamic range:100dB. - A/C/Z frequency. - Data stored up to 32,000 records,auto-mating   transfer to micro SD card. - DC & AC Output. - USB interface. - Bargraph display  SPECIFICATION: Display 3 1/2 digit backlit LCD display, maximum reading of 2000 Display refresh rate 1 time/ per second Applicable specifications - IEC 61672-1 : 2002 Class1   - ANSI S1.4 Type 1 - CNS NO.7129 Type 1        - JJG-188-2002 Class1 Microphone -/+1/2" pre-polarized condenser microphone build in preamplifier: -26 +/- 2dB (50mV/Pa), frequency range: 20 Hz~20 kHz, heat noise : <28 dB(A) Measurement... Sound level meters
Screenshot_18
TEN580B-Class 1 Octave Band Sound Analyser(1/1,1/3 Bands) L90 Featured item - Statistic analysis. - 24HR measurement. - Integral measurement. - Real time analyzer in 1/1 and 1/3 octave band. - Simultaneously measures A, C, Z and F, S, Impulse. - Measurement function: Lxyp, (Lxyi), Lxeq,1s, Lxeq, T, LAE, E,Cpeak+, Cpeak- , LAFmax, LAFmin, LAFeqT, LASeqT, LAIeqT, Laeq(20Hz~200Hz). - USB Datalogger with 12288 records capacity. - Real time clock with calendar. - Sampling Frequency: 20.8us(48KHz). - Wide Frequency range: 10Hz~20KHz. - Wide measurement range: 25dB~140dB. - Wide dynamic range:90 dB. - Fast, Slow, Impulse, PeakC+, PeakC - A /C /Z Frequency weighting. - Optional mini-printer for the analytical result printing. - 5 Languages software (English / Chinese / Spanish / German / Italian) . Sound level meters