The Amprobe SM-10-A Sound Meter has been designed to check compliance with safety regulations and perform acoustic analysis by safety engineers, health, industrial and safety offices as well as quality control.
They use two different weighting filters required by the IEC651 and ANSI S1.4 Type 2 for audio filtering. The A weighting is for general noise sound level and the C weighting is for measuring sound level of acoustic material control in various environments (ie 94dB 1 kHz etc.)
Specifications
Features
SM-10
SM-20A
Microphone
1/2 Electret condenser microphone
Standard applied
IEC 651 Type 2, ANSI 1.4 Type 2
Dynamic range
50 dB
Time weighting
FAST (125 mS), SLOW (1 sec)
Frequency range
31.5 Hz → 8 kHz
Measuring level range
(Auto Range) A-Weighting: 30 dB → 130 dB C-Weighting: 35 dB → 130 dB
Data
Data hold
Min/max
Internal memory
-
14,000 records
Specifications
Display:
4 digits LCD
Microphone:
1/2 inch electret condenser microphone
Power supply:
9V NEDA 1604, IEC 6F22, JIS 006P battery
Auto power off:
Approx. 5 min
Environment:
Indoor operation, < 2000 m
Standard applied:
IEC 651 Type 2, ANSI 1.4 Type 2
Dynamic range:
50 dB
Resolution:
0.1 dB, Display update: 0.5 sec.
Time weighting:
FAST(125mS), SLOW(1 sec)
Frequency range:
31.5 Hz to 8 kHz
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