Benetech GM1356 Sound Level Meter 30~130dBA 35~130dBC 31.5Hz~8.5KHz AC/PWM output USB data to PC

benetech

Regular price $39.99

Features

  • 1.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
  • 2.Accuracy up to +/-1.5dB
  • 3.Measurement range is 30 to 130dB
  • 4.Fast/Slow Time weigting selection
  • 5.Automatic backlight
  • 6.The maximum value holding function
  • 7.Auto power off 10 minutes
  • 8.A/C Frequency weighting selection
  • 9.Both AC and PWM signal output are available
  • 10.Calendar function
  • 11.4700 data record function
  • 12.Connect with the PC through USB, provides data record downloading, real-time data sampling analysis, and printing graph&data functions.

Specifications

Calibration sound source     
94dB@1KHz     
Measurement range     
30~130dBA、35~130dBC     
Accuracy     
±1.5dB(reference sound pressure      
standard,94dB@1KHz)
Frequency response     
31.5Hz~8.5KHz     
Resolution     
0.1dB     
Measuring level     
30 to 80 , 50 to 100, 60 to 110,     
80 to 130, 30 to 130
Dynamic range     
50dB/100dB     
Overload indication       
OVER / UNDER     
Frequency weighting characteristic     
A and C     
Digital display     
4 digits     
Analogy bar graph     
1dB/1 bar graph     
Sampling rate     
FAST:8times/second;SLOW:2times/second     
AC signal output     
4Vrms/ full bar graph, output impedance     
is about 600 ohm
PWM signal output     
Duty cycle =0.01X db value/3.3 x 100%      
Dyna mic cha racteristic        
FAST(high speed)/SLOW(low speed)     
Calendar accuracy     
±30seconds/day     
Data stor age quantity     
4700     
The m aximum value holding     
MAX     
Auto power off     
10 minutes without operation     
Micro phone     
1/2inch polarization capacitance microphone     
Power supply     
6V (4PCS 1.5V Alkline battery)     
Dimension     
70x35x256mm     
Weight     
244G (Without battery)     
Battery life     
20h continuous use(Alkaline batteries)     

 

Packing List

  • Color box*1
  • Host*1
  • Instructions*1
  • PP box*1
  • Audio Line*1
  • CD*1
  • USB*1