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The ACT1345 Sound Level Meter has a wide dynamic range from 30 to 130dB, with frequency weightings A and C for human sense or machine monitoring purposes.
BS 5839-1:2002 clause 16.2.1 a) 4) Note 8 requires:
An instrument complying with BS EN 60651, set to slow response and A weighting, is suitable for measuring the sound pressure level of the alarm signal.
Measuring Range |
LOW 30 to 100dB, HIGH 60 to 130dB (A & C) |
Resolution | 0.1dB |
Accuracy | ±1.5dB |
Frequency | 31.5Hz to 8kHz |
Time Weighting | Fast/Slow (A & C) |
Microphone | ½" Electret Condenser |
Power Supply | 1 x 9V Battery |
Dimensions | 210 x 55 x 32mm |
Weight | 230g |