Measuring Range : 30 ~ 130 dBA, 35 ~ 130 dBC
 Accuracy : ±1.5dB
 Resolution : 0.1 dB
 AC Output : 0.707Vrms at FS output impedance aprox. 600 ohm
 DC Output : 10mV / dB, output impedance approx. 100 ohm
 Bar Graph : 50dB scale at 1dB step for monitoring current sound pressure level display sample rate : 20 times / second
AC & DC output for frequency analyser level recorder, FFT analyser, Graphic recorder etc.
Display : 4 Digit display
Frequency Response : 31.5Hz ~ 8.5KHz
Measuring Level :30 ~ 130, 40 ~ 90, 50 ~ 100, 60 ~ 110, 80 ~ 130
Frequency weighting : A & C
Time Weighting : FAST / SLOW
Sampling rate : 2 times / second
Microphone :  inch polarization capacitance microphone
AC / DC output
Max reading
Overload indication : OVER / UNDER
Low battery indication
Power Supply : 4 x 1.5V AA or DC 6V 100mA adapter
Dimension : 70 x 35 x 256 mm
Weight : Approx. 308g (including battery)
Accessories : User Manual, battery, Tripod mounting screw, Windscreen & Carrying case.

Kusam Meco : KM 928 MK1,

Digital Sound Level Meter, 

has been designed to meet the measurement requirement of noise engineers, noise quality control & health prevention in various environments, such as noise measurement in factory, Office, Traffic Road, Family & all other noise measurement applications. Shop on Vegabaazar. Do calibration any of instruments at Vega Calibrations and Validations Services LLP