Extech SL355 Digital Personal Noise Dosimeter

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Extech SL355 Digital Personal Noise Dosimeter is a lightweight, economic, and easy-to-use noise dosimeter capable of measuring total sound exposure over an 8-hour time period. The Extech SL355 features datalogging of up to 12,000 readings when performing short sound level metering up to 1hr intervals; data can be transferred to Windows operating systems for analysis via USB.

MFG Part No.: SL355

Availability: Replaced by SL400

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Description
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Characteristics:	Extech SL355 Digital Personal Noise Dosimeter
	Features OSHA and IEC noise accumulation surveys
	Single-user defined measurements
	Criterion Level, Exchange Rate, and Threshold are adjustable
	Lightweight construction
	Features measurement frequency weighted noise exposure and peak sound levels concurrently
	Stores and recalls up to 12,000 readings when used as a sound level meter with sampling times between 1 second and 1 hour
	Sound level mode displays sound level, time-averaged sound level (Leq), peak, and sound exposure level (SEL)
	Elective 94/144dB calibrator allows before and after calibration checks per ANSI standards
	Features on-board memory of up to 20 dosimeter surveys. Stored data includes: Start/Stop Time, %Dose, %Dose projected for an 8 hour period, and peak level when used in the Dosimeter mode
	Compatible with Windows operating systems via USB to retrieve and analyze stored data
	Includes belt clip, clip-on 0.5" microphone with 2.6ft (0.8m) cable, 3 AAA batteries, mini screwdriver, software, USB cable, and carrying case

Specifications	Extech SL355 Personal Noise Dosimeter
Standards	IEC61252 ,ANSI S1.25(1992) for dose and sound exposure meters IEC 60651-1979 Type 2 for sound level meters ANSI S1.4-1983 Type S (1) for sound level meters
Ranges	60 - 130 dB / 70 to 140dB (A/C Weighting) 60 to 130dB / 93 to 133dB (C or Z (Linear) Peak) 70 to 140dB / 103 to 143dB (C or Z (Linear) Peak)
Digital Display	LCD 0.01-9999%
Criterion Level	80, 84, 85, or 90dB
Exchange Rate	3, 4, 5 or 6 dB
Threshold Level	70 to 90 (1dB steps)
High Level Detector/Peak Flag	115dB, 130dB and 140dB
Response Rate	Fast or Slow
Measurement Duration	5, 10, 15, or 30 minutes 1, 2, 4, 8, 12, or 24 hours
Microphone	1/2 inch electret condenser with 31” cable
Battery Life	>35 hrs
Event Storage	20 surveys
USB Interface	Yes
Real time clock/calendar	Yes
Certification	CE
Dimensions	3.8 x 2 x 1.4” (97 x 51 x 35mm)
Weight	4.2oz. (120g) incl.batteries

Applications:	Extech SL355 Digital Personal Noise Dosimeter
	Personal accumulated noise exposure measurement, Workplace noise assessment, OSHA and other regulatory agency compliances

Extech SL355 Digital Personal Noise Dosimeter

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