Sound Level Meter 1356

Description

This unit has been designed to meet the measurement requirement of noise engineers, noise quality control and
health prevention in various environments, such as noise measurement in factory, office, traffic road, family
and all other noise measurement applications.
Sound Level Meter possesses the following features:
unit was designed according to following standards:
a. International electrician committee standard: IEC PUB 651 TYPE2
b. US national standard: ANSI S1.4 TYPE2
acy up to +/-1.5dB
rement range is 30 to 130dB
Slow Time weigting selection
atic backlight
maximum value holding function
power off 10 minutes
8.A/C Frequency weighting selection
AC and PWM signal output are available
dar function
11.4700 data record function
ct with the PC through USB, provides data record downloading,
real-time data sampling analysis, and printing graph&data functions.
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)
Color box*1
Host*1
Instructions*1
PP box*1
Audio Line*1
CD*1
USB*1