Digital Sound Level Meter
Technical indicators	GM1356
Measuring range	30~130dBA, 35~130dBC
Precision	+/-1.5dB
Digits & resolution	4 bit & 0.1dB
Frequency response	31.5Hz ~ 8kHz
Measuring gear	30~80dB, 50~100dB 60~110dB, 80~130dB, 30~130dB
Time characteristics	Fast; Slow
Sampling frequency	Fast: 8  times/SEC; Slow: 2 times/SEC
Microphone	1/2 Inch Polarization Capacitance Microphone
Overload display	OVER/UNDER symbol
Frequenc]y weighting features	A&C
Peculiarity
MAX lock	√
Backlight	√
AC&DC output model	√
Low electricity prompt	√
USB interface	√
Auto power-off	√
Conventional
Power supply	4*1.5 or DC 6V 100mA
Product size	70*35*256mm
Product weight	296.8g (+ batteries)