General Tools DSM403SD: Data Logging Class 1 Sound Level Meter

Description

General Tools DSM403SD: Data Logging Class 1 Sound Level Meter
Accurately Measures Sound Levels of Machinery or an Environment with 0.1 dB Resolution. Features patented technique for storing sampled data in Excel format on removable SD memory cards.
Features:
Big (2.5 in. diagonal) front-panel green backlit LCD is easy to read
Makes measurements in auto ranging mode or within a manually settable range
Displays maximum and minimum readings and holds any reading
Performs automatic data logging at sampling time settable from 1 second to 9 hours
Also supports manual logging and changing of card storage location
Auto power off function
Includes: Hard carrying case, Sound wind shield ball, 2 GB SD memory card and User’s manual
Specifications:
Display: 2.05 x 1.5 in. (52 x 38mm) LCD
Frequency Range: 31.5Hz to 16kHz
Measurement Range:
-30 to 130dB in auto ranging mode
-User can also select fixed range of 30 to 80dB, 50 to 100dB, or 80 to 130dB
Measurement Weighting:
-By frequency: frequency weighing uses “A” or “C” standard
-By time: Using Class 1 IEC 61672 standard; time weighting is fast or slow (200ms or 500ms response time)
Measurement Accuracy:
-With “A” frequency weighting: ± 2.0dB @ 31.5Hz, 1.5dB @ 63Hz, 1.5dB @ 125Hz, 1.4dB @ 250Hz, 1.4dB @ 500Hz, 1.1dB @ 1kHz, 1.6dB @ 2kHz, 1.6dB @ 4 kHz, +2.1 dB and -3.1dB @ 8kHz; +3.0dB and -6.0dB @ 12.5kHz, +3.5dB and -17.0dB @ 16kHz
Data Logging Sampling Time: 1 second to 1 hour
Settable Parameters: Date, time, auto power off, beep sound, sampling time, decimal point or comma decimal division, “A” or “C” frequency weighting, fast or slow time weighting
Storable/Recallable Readings: Maximum, minimum
Operating Temperature: 32° to 122°F (0° to 50°C)Operating Relative Humidity: 0 to 85%
Dimensions: 9.65 x 2.68 x 1.77 in. (245 x 68 x 45mm)
Weight: 1.08 lb. (489g)
Power Source: 6 “AA” batteries or optional 9-VDC AC adapter
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Unless specified otherwise all products listed are Brand New in the original factory packaging and include a full factory warranty.
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Warranty:
All NEW products are covered under the manufacturer’s warranty.
Returns:
All product returns require a return material authorization (RMA) number and may be subject to restocking fees.  All non-defective returns of new products will be subject to a 15% restocking fee if returned within 14 days of delivery date at the buyer’s expense. All products must be in unused condition and include original factory packaging, manual and accessories.  Missing material and accessories will void your return.  The customer is responsible for shipping damage due to inadequate packaging and proof of delivery on all returns. Please be sure that all return shipments are properly packed and fully insured.