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MEASUREMENT RANGE
• Type A weighting: 25 ÷ 140dB
• Type C weighting: 30 ÷ 140dB
• Type Z (linear) weighting: 35 ÷ 140dB
• Peak C SLM: 50 ÷ 143dB
MICROPHONE: Pre-polarized condenser ½ “ with pre-amplifier; Nominal sensitivity (at reference conditions): 50mV/Pa; Frequency range: 10Hz ÷ 20kHz; Noise: < 16dB(A)
AC OUTPUT: Output ratio: 1mV AC / 0.1dB; Maximum output voltage: 3.2Vrms; Output impedance: 1kΩ
PC CONNECTION: mini-USB; USB pen drive
Level linear range: >90dB
Resolution: 0.1dB (Statistic), 0.01dB (1/1 e 1/3 OCT)
Frequency range: 10Hz ÷ 20kHz (±0.2dB) ; 1Hz ÷ 23kHz (±1.0dB)
Range gain: -10dB, 0dB, 10dB, 20dB, 30dB, 40dB
Range control error: ≤ 0.1dB
Self-generated noise voltage: <4µV (1Hz ÷ 23kHz linear)
Background noise: <13dB(A), 15dB(C), 25dB(Z)
Total noise: <18dB(A), 23dB(C), 28dB(Z)
Measuring voltage range: 15µV ÷10V (TRMS)
Frequency weighting: A / C / Z
Time weighting: Fast, Slow, Impulse, Peak C+, Peak C-
A/D internal converter: 24 bit
Anti-aliasing filter: cut-off frequency 23.5kHz, attenuation 100dB
Sampling rate: 20.8µs (48kHz)
Intergration time: 1s ÷ 24h pre-defined or customized
Internal memory: 64kBytes flash memory
Data storage: max 128 groups / max 256 calibrations
CHARACTERISTICS OF 1/1 OCT AND 1/3 OCT
Features: Noise’s real-time OCT and 1/3 OCT spectral analysis with integral measuring
Frequency weighting: A/C/Z
Spectral analysis interface: all spectrum frequencies
Total analysis interface: performed with digital filter
Z weighting added with one digital high-pass filter (cut-off frequency: 4Hz)
Filter type: digital, G=2 for 1/1 and 1/3 octave analysis
Central frequency of 1/1 analysis:
16Hz, 31.5Hz, 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz, 8kHz, 16kHz
Central frequency of 1/3 analysis::
12.5Hz, 16Hz, 20Hz, 25Hz, 31,5Hz, 490Hz, 50Hz, 63Hz, 80Hz, 100Hz, 125Hz, 160Hz, 200Hz,
250Hz, 315Hz, 400Hz, 500Hz, 630Hz, 800Hz, 1kHz, 1.25kHz, 1.6kHz, 2kHz, 2.5kHz, 3.15kHz, 4kHz,
5kHz, 6.3kHz, 8kHz, 10kHz,12.5kHz, 16kHz
Noise exposure (E)’s range: 0 ÷ 65.535Pa2h
Accessories:
SOUNDVIEW
Rigid case HT157
Wind protection
HT150
4x1.5V alkaline batteries type A LR06
ISO9000 calibration certificate
Power supply 100-240VAC/5VDC with USB output
Cavo micro USB per collegamento PC
USB Pen Drive (TRASCEND JF V30/2GB)
USB cable for connecting the Pen Drive to the device
Calibration certificate of sound level meter and calibrator
Batteries and user manual
