Digital Sound Level Meter GM1357

2.00AED

This equipment has been designed to meet the measurement requirement of Safety Engineers, Health, Indu-

strial Safety offices and Sound Quality control in various environment, which include factory, office, traffic,

family, and audio system.

Digital Sound Level Meter possesses the following features:

1. It is designed according to the IEC651 TYPE2 & ANSI S1.4 TYPE2

2. Accuracy up to +/- 1.5 dB

3. Measurement range: 30-130 dB

4. With two equivalent weighted sound pressure levels, A and C.

5. Fast & Slow dynamic characteristic modes.

6. AC and DC output for frequency analyzer level recorder, FFT analyzer, graphic recorder etc.

Measuring range	30~130dBA、35~130dBC
Accuracy	+/- 1.5 dB (under reference conditions)
Frequency range	31.5Hz~8.5KHz
Level range	30~80,50~100,60~110,80~130, 30~130dB
Linearity range	50dB / 100dB
Frequency weighting	A / C
Digital Display	4digits
Resolution	0.1dB
Sample rate	2 times/second
Bar graph	50 dB scale at 1 dB step for monitoring current sound pressure level display Sample rate: 20times/second
Over indication	OVER / UNDER
AC output	0.707Vrms at FS output impedance approx. 600 ohm
DC output	10mV/dB, output impendance approx. 100ohm
Time weight	FAST / SLOW
Microphone	1/2 inch electret condenser microphone
Max	MAX
Power supply	1.5V AA alkaline cells or DC 6V 100mA (maximum DC9V)
Power life	About 30 hours (alkaline battery)
Self calibration time	3s
Operating condition	0~40℃，10~80%RH
Storage condition	-10~60℃，10~70%RH
Weight	308g (including battery)
Dimension	2567035mm

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