Model SM-100 Digital Sound Meter

Measures Noise Levels from 30 to 130 dB

Model SM-100 Digital Sound Meter is ideal for measuring noise levels from 30 to 130 dB with accuracy of ±1.5 dB. Model SM-100 has a frequency of 31.5 Hz to 8 kHz, three different dB ranges, and a 1/2" condenser microphone. The SM-100 has two frequency weightings: the "A" weighting ranges from 30 to 130 dB, while the "C" weighting ranges from 35 to 130 dB. The four digit LCD backlit display has the ability to update in 0.5 seconds when the unit is set to fast response. Model SM-100 features data hold, ability to record maximum/minimum, auto ranging, auto power-off, and a dynamic range of 50 dB. The compact size of the SM-100 makes it very easy to operate and store. Each unit includes battery, carrying case, black foam cover to protect the sensor, and instruction manual. The SM-100 is ideal for technicians measuring and recording sound levels in zones or rooms of buildings, musical halls, theaters and near equipment or machinery on the plant floor.

Models & Ordering

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Model Description Usually Ships* Price Order
Ships: Same Day
Price: $137.00
Handheld digital sound meter. Same Day* $137.00 Order


Dynamic Range:
50 dB.
Measuring Level Range:
A weighting: 30 to 130 dB; C weighting: 35 to 130 dB.
±1.5 dB (at 94 dB @ 1 kHz).
Frequency Range:
31.5 Hz to 8 kHz.
Temperature Limits:
Operating: 41 to 104°F (5 to 40°C); Storage: 14 to 140°F (-10 to 60°C).
Humidity Limits:
Operating: Below 80% RH; Storage: Below 70% RH.
Elevation Limit:
Maximum 6562 ft (2000 m) above sea level.
4 digit LCD with 0.5 second update when set to fast response.
0.1 dB.
Power Requirement:
9 V alkaline battery, included, user replaceable.
Battery Life:
50 hours with alkaline battery (approx).
6 oz (170 g).
Agency Approval:

Product Literature


Catalog Pages




What approved accessories go with the Model TDL-10?
A number of approved accessories will greatly contribute to the featureset of the Model TDL-10. Please check the corresponding product page to view the list of available accessories.

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