Sound Level Meter
Brand – Benetech
Model – GM1356
Country – China
Contact Us
09-260268660, 09-422530472
support@geopowermyanmar.com
Features
- Accuracy up to +/-1.5dB
- Measurement range is 30 to 130dB
- Fast/Slow Time weigting selection
- Automatic backlight
- The maximum value holding function
- Auto power off 10 minutes
- A/C Frequency weighting selection
- Both AC and PWM signal output are available
- Calendar function
- 4700 data record function
- Connect with the PC through USB, provides data record downloading,
real-time data sampling analysis, and printing graph&data functions.
Specification
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 maximum 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)
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 maximum 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)