Detector radiatii,detector de zgomot/sunet(profi) NOU la cutie

Detector de zgomot,sunet( profi) multifunctional. Este nou in cutie. Masoara de la 30db pana la 130db. Aparatul se vinde cu:trepied,mufa jack de 3,5mm,cablu USB,CD-ul,husa transport,cutia originala. Se poate fixa pe trepied.Datele tehnice mai jos.
Detector de zgomot,sunet( profi) multifunctional. Este nou in cutie. Masoara de la 30db pana la 130db. Aparatul se vinde cu:trepied,mufa jack de 3,5mm,cablu USB,CD-ul,husa transport,cutia originala. Se poate fixa pe trepied. Datele tehnice mai jos.
Package Included:
1 x Decibel Meter
1 x USB Cable
1 x DC 6V Cable
1 x Soft Case
1 x Manual

Specifications:
Calibration sound source: 94dB , 1kHz
Measurement range: 30~130dBA
Accuracy: ±1.5dB (Reference sound pressure standard, 94dB,1KHz)
Frequency response: 31.5~8.5KHz
Resolution: 0.1dB
Frequency weighting: A/C
Analogy bar graph: 2dB/1 Bar graph
Sampling rate: 2 times/second (FAST), 1 time/second (SLOW)
AC signal output: 4Vrms/ full barograph, output impedance is approx 600 ohm
DC signal output: 33mV/dB
Dynamic characteristic: FAST (high speed) / SLOW (low speed)
Data storage quantity: 32000 readings
Power supply: 4 x AA 1.5V batteries (Not included)
Dimension: 23.5x6.2x3.3cm/ 9.25x2.44x1.30"

Features:
Sound level range: 30 to 130dB (Auto Ranging)
Frequency weighting: A/C
Fast/Slow time weighting selection
32000 Reading Internal Memory (Data record function)
Max hold function
High accuracy
Bar graph display
AC & DC analogy signal output are available connecting to frequency analyzer level recorder, FFT analyzer and graphic record
White backlight
Over / Under alert function
Time display
Auto-off function setup
Low battery alert