SmartdB LITE

Healthy people are able to hear sounds in the range of approximately 20Hz to 20kHz. If we consider the speed of sound propagation, the length of the sound wave can vary from approximately 17mm for 20kHz to 17m for 20Hz, which can lead to ineffective hearing protection if the hearing protection is designed to attenuate high frequencies and the worker is exposed to low frequencies, or vice versa. To solve this problem with 98% accuracy: SmartdB of course!!!



Standards - ANSI S1.25, IEC 60804, IEC61672-3 Class 2, IEC 60651 Class 2, IEC 61252 and IEC 61260
Weight - 96 g

Software - Compatible with Microsoft Windows | Real-time monitoring of all parameters
Functions - Play, Pause and Stop on the meter or remotely via Commander® tablet and PC
Parameters - MNS, LAVG, LEQ, TWA, TWAp, Dose, Dose8h, Dosep, NEN, Peak, Max, Min
Frequency weighting - A,C and Z
Time weighting - Fast, Slow and Impulse
Optional Octave and 1/3 Octave Bands - 31.5Hz, 63Hz, 80Hz, 100Hz, 125Hz, 160Hz, 200Hz, 250Hz, 315Hz, 400Hz, 500Hz, 630Hz, 800Hz, 1kHz, 1250Hz, 1600Hz, 2kHz, 2500Hz, 3150Hz, 4kHz, 5kHz, 6300Hz and 8kHz

Microphone - MEMS
Case Material - Nylon with fiberglass additives

Profiles - Three simultaneous profiles

Criterion Level: adjustable from 80 to 90dB
Threshold Level: off and adjustable from 60dB to 90dB in 1dB steps
Doubling rate: 3, 4, 5 and 6dB


Height - 20mm
Width - 45mm
Length - 85mm


Power - 3.7v rechargeable lithium battery



Without GPS - > 28 hours
With GPS - > 22 hours


Memory - Flash memory integrated circuit
Histogram interval - From 01 second to 10 minutes
Storage capacity - ≥ 30 dosimetries of 14
Histogram - Histogram of all parameters including octave and 1/3 octave bands


Meter Measurement Range - From 65 dB to 130dB
Dose - From 0.1 to 99.999%
LEQ and LAVG - From 65 dB to 135dB
Peak Detector - From 90dB to 140dB
Accuracy - According to class 1 of IEC 60651 and IEC 61672
Frequency range - 20Hz to 16kH
Sound level resolution - 0.1dB
LAVG and LEQ calculation resolution - 0.1dB
Dose calculation resolution - 0.1
Storage temperature - Up to 50°C
Working temperature - Up to 55°C

Warranty - 01 year

Included accessories - Certificate of calibration by RBC - Rede Brasileira de Calibração (Brazilian Calibration Network), battery charger, stylized packaging to accommodate the audiodosimeter, instruction manual in Portuguese, software and standard micro USB cable.

Accessories not included - Zigbee radio communication interface, Central Commander® for remote controls and monitoring, USB module and signal repeater

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