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Dawson DSM141, Digital Sound Level Meter, 30dB to 130dB
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Dawson DSM141, Digital Sound Level Meter, 30dB to 130dB
Dawson DSM141, Digital Sound Level Meter, 30dB to 130dB

Dawson DSM141, Digital Sound Level Meter, 30dB to 130dB

Price: $109.99 add to cart     
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Sales Tax: Florida: 6%
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The DSM141 is a basic portable multifunction digital sound level meter. It measures ambient sound level ranging from 30dB to 130dB with frequency range of 30Hz~8 kHz.


Microphone type: polarized capacitive microphone.

•Sound pressure accuracy: ± 1.5 dB (sound pressure standard, 94 dB @ 1 KHz).

•Sound pressure frequency response: 30Hz - 8 KHz.

•Dynamic range of sound pressure: 50 dB (for each measurement gear level).

•Sound pressure measurement scope: 30-130 dBA, 35-130 dBC.

•Sound pressure frequency weighting characteristics: A and C.

•Dynamic characteristic of sound pressure: FAST: 125ms, SLOW: 1sec

•Digital display: 4-digit, resolution: 0.1 dB, sampling rate: 2 times/sec.

•Analog bar display: Each analog bar represents 1 dB, sampling rate is 20 times/sec.

•Measurement range: 30-80 dB, 40-90 dB, 50-100 dB, 60—110 dB, 70—120 dB, 80-130 dB, 6 ranges in total.

•Automatic shifting: microcomputer will automatically select the best gear level in the range from 30 to 130 dB.

•Below or above limit prompt: indicated by “UNDER” or “OVER”.

•Power supply: 4 x 1.5V AAA.

•Operating temperature: 32°F to 104°F (0 ~40 °C)

•Operating humidity: 10 ~80% RH.

•Storage temperature: 10°F to 140°C (- 10 ~60 °F)

•Storage humidity: 10 ~70% RH.

•Outside measurement: 7.6(L) x 2.4(W) x 1.14(H) (193 (L) × 60(W) × 29 (H) mm)

•Weight: about 7 oz. (200 g) including batteries.



• Sound Level,
• A/C Weighting,
• Fast/Slow Mode.

Additional Features:

• LCD Display,
• Auto-ranging,
• Auto Power Off,
• Max Display,
• Decibel/SONE,
• Data Hold,
• Backlight,
• Low Battery Indicator.


Microphone cover.

•1.5 AAA Batteries.


•User’s Manual.
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