Sound Level Meter with Wifi Banking on the skills of our qualified team of professionals, we are involved in manufacturing and exporting Sound Level Meter with Wifi. Using the instruments could not be simpler. The simple user interface can easily be scrolled and selected to immediately display the information you need. The keypad also has a dedicated dB Range key, simply press and then selects your required range. It measures the noise of a person with the help of wifi. Applicable StandardsIEC 61672-1:2013IEC 61260-1:2014 (Where Octave Bands Fitted)IEC 61252:1993 amendment 1:2000 (Where Exposure Fitted) MicrophoneClass 1: Type 1 Pre-Polarized (13.2 mm) Electrets Condenser Microphone -27 dB 2 dB re 1V/PaClass 2: Type 2 Pre-Polarized (13.2 mm) Electrets Condenser Microphone 32 dB 3 dB re 1V/PaMeasurement Ranges: Linear Operating Range: 95dBNoise Floor: Typical A Weighting <15 dB (A) RMS'C' Weighting <18 dB(C) RMS'Z' Weighting <18 dB(Z) RMSFrequency Weightings: Measurement 1: A, C or Z, Measurement 2: A, C or ZFrequency Range: 1 Hz - 20 kHz (electrical characteristics)Class 1: 12.5 Hz - 20 kHz (including microphone)Class 2: 12.5 Hz - 16 kHz (including microphone)Time Weighting:Measurement 1: Slow, Fast, ImpulseMeasurement 2: Slow, Fast, ImpulseDisplay: 2.4 Full Color TFT 240x320 pixelsDual Measurements: Simultaneous dual measurement with independent time and frequency weightings. Measurement ParametersdBAir Safety: LSPL, LEQ, LMAX, LMAX, Peak, LEPd, Exposure Points, Dose, Hearing Protector Calculator dBAir Safety Octave:LSPL, LEQ, LMAX, LMAX, Peak, LEPd, Exposure Points, Dose, Hearing Protector Calculator 1/1 or 1/3 Octaves: LSPL, LEQ, LMAX, LMAX, Peak dBAir Environmental:LSPL, LE, LEQ, LMAX, LMAX, Peak, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment. dBAir Environmental Octave:LSPL, LE, LEQ, LMAX, LMAX, Peak, Ltm3, Ltm5, Lday, Lnight, Ldn, Lden, NA, 10 user-definable Ln values (pre-set to: L1, L2, L5, L10, L50, L90, L95, L98, L99) plus LAF* for Noise act assessment. 1/1 or 1/3 Octaves: LSPL, LE, LEQ, LMAX, LMAX, Lns, Peak