DIGITAL SOUND LEVEL METER USB NOISE TESTER GM1356

Digital Sound Level Meter USB Noise Tester GM1356

Introduction:
This sound level meter is an ideal tool to measure Sound Pressure Level in decibels (dB). It is used for sound quality control in factory, office, home, school, restaurant, hospital and construction site, etc.
Feature:
-Wide measurement range: 30~130dBA, 35~130dBC
-Accuracy up to ****B
-This unit was designed according to following standards:
----A. International electrician committee standard: IEC PUB 651 TYPE2
----B. US national standard: ANSI S1.4 TYPE2
-100% Brand New
-With modern, compact, portable design.
-Easy to use
-Frequency weighting characteristic: A & C
-Time weighting characteristic: Fast & Slow
-AC/DC output
-Bar graph indication
-Equipped with sponge ball to filter-out unwanted signals.
-Max reading hold
-USB interface
-****yze software
-Auto power off
-Overload indication: OVER/UNDER
-Auto backlight display
-Low battery indication
-Powered by 4x1.5V AA batteries (not included)
-Approved by CE/ROHS/FCC standard
-Under 1 year guarantee
Specification
Measuring range 30dBA~130dBA,35~130dBC
Accuracy ±****B
Frequency range 31.5Hz~8.5KHz
Frequency weighting A/C
Digital Display 5digits
Resolution 0.1dB
Measuring level: 30~130,40~90,50~100,60~110,80~130
Linearity range: 50dB/100dB
Sample rate: 2 times/second
AC output: 0.707Vrms at FS output impedance approx.600ohm
DC output 100mV/dB, output impedance approx.100ohm
Microphone 1/2inch electret condenser microphone
Power supply 4×AA 1.5V Battery(not included)
Operating condition 0~40 10~80%RH
Storage condition -10~60 10~70%RH
Weight 308g(including battery)
Dimension: 70×35×256mm



Packing list :

1*Sound level meter GM1356

1*Englih user manual

1*CD software

1*USB cable

1*AC output wire

Please Note: Not included battery