Reference only — this item is no longer available. This product has been discontinued and cannot be ordered. We keep the page online so the specifications and documentation stay available to anyone still running the equipment. Current replacements are listed further down.

Discontinued

Sound & Noise Dosimeter 70-140dB (407355) Datalogger Extech

Reference only — not for sale

Model	407355
Manufacturer	Extech
Category	Sound Meters
Status	Discontinued

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Product details (archived)

The information below is retained for reference only. This item is discontinued and cannot be ordered.

The Extech Personal Noise Dosimeter is a compact device for monitoring the amount of accumulated sound exposure delivered to an object or area. For use in personal/workplace environments, this logger can perform OSHA and IEC Noise accumulation surveys along with monitoring personal exposure over an 8-hour period.

This logger can record up to 8800 readings when used as a sound level meter and can record up to 5 dosimeter surveys. These surveys include Start/Stop time, %Dose, TWA and peak flags when used in dosimeter mode.

Included with this logger: Belt clip and clip-on 0.5” microphone with 2.6ft (0.8m) cable, 4 AAA batteries, mini screwdriver and carrying case. Also includes software and cables.

Applications:

Perform Leq and SEL measurements
OSHA compliance Testing
Noise Ordinance
Machine Noise Evaluation
Data Storage for pertinent records

Specifications:

Range:
- 70 - 140 dBA (‘A’ weighted decibels) for sound level
- 0.01 to 9999 %DOSE for noise exposure surveys
Resolution: 0.1dB
Accuracy: ±1.5dB

Applicable Standards:	Meets ANSI S1.25(1991) Type 2, ISO-1999, BS 402 (1983)
Criterion Level:	80, 84, 85, or 90dB
Exchange Rate:	3, 4, 5 or 6 dB
Threshold Level:	70-90 (1db steps)
Frequency Weighting:	A
Response:	Fast, Slow
Battery Life:	34 hrs.
Event Storage:	5 surveys
High Level /Peak Flag:	115dB / 140dB
Microphone:	1/2 inch Electret condenser with 31” cable
Dimensions:	4.2" x 2.5" x 1.3” (106mm x 64mm x 34mm)
Weight:	12.3oz. including batteries