WS1361 Digital Sound Pressure Tester Noise Level Decibel Meter

Description :
WENSN WS1361 Digital Sound Pressure Tester Level Meter Decibel Noise Measurement
This equipemnt has been designed to meet the measurement requirement of safety engineers, health, industrial environment, which include factory, traffic, family baby's living room, wind farms, sports stadium, airport, urban, city noises and audio system.
It is an advance environmental noise monitoring system, monitors environment noise from a singal station to a mutiple stations.
features :
100% brand new and high quality
conformed to the iec651 type2 and ansis1.4 type 2 standards
accuracy : ±1.5db
measuring range : 30-130dba or 35-130dbc
frequency weighting : A and C
time weighting : fast & slow
ac and dc output for frequency analyzer level recorder, fft analyzer, graphic, graphic recorder etc.
the meter can be connected pc with usb.
Notice :
below 2000 meter in height
operating condition : 0?~40?, 10~80%rh
use dry cloth to clean the unit, but never with any solvent.
specification :
frequency range : 3.5hz~8.5khz
level range : 30~80db, 40~90db, 50~100db, 60~110db, 70~120db, 80~130db, 30~130db
linearity weighting : 50db
frequency weighting : a/c
digital display : 4 digits
resolution : 0.1db
sample rate : 2times/second
bar graph : 50db scale 1db step for monitoring current sound pressure level display sample rate : 20 times/second
over indication : over/under
ac output : 0.707vrms at fs output impedance approx 600ohm
dc output : 10mv/db, output impedance approx 100ohm
time weight : fast/slow
microphone : ½ inch eletret condenser microphone
max : max
power life : about 30 hours(alkaline battery)
self calibration : 4s
operating condition : 0?~40?, 10~80%rh
storage condition : -10~50?, 10~80%rh
Package included :
1 x Professional sound level meter
1 x Sponge ball
1 x Usb cable
1 x Software cd
1 x English user manual
Details pictures :