GM1356 Sound Level Meter In Pakistan

Description:

This unit meets the measurement needs of noise engineers, quality control teams, and health professionals. It works effectively in different environments, such as factories, offices, traffic roads, and homes. Moreover, it provides accurate results for all other noise measurement applications.

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.

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 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)