Extech 407355 Personal Noise Dosimeter with PC Interface

DISCONTINUED ITEM-Replacement Model: Extech SL400 Personal Noise Dosimeter with USB Interface

The Extech 407355 is a Personal Noise Dosimeter Datalogger which performs OSHA and IEC Noise accumulation surveys to measure total sound exposure over an 8-hour period.

Datalogs up to 4500 readings when used as a sound level meter. Stores up to 5 dosimeter surveys. Data includes: start/stop time, %Dose, TWA and peak flags.

Complete with belt clip, clip-on 0.5 in. microphone with 2.6ft cable, software, 4 AAA batteries, mini screwdriver and carrying case.

The built-in RS-232 PC interface offers the following capabilities:

• In SOUND LEVEL METER (SLM) MODE: The meter can be connected to PC while taking measurements so that readings can be stored in a file and readings can be viewed in a variety of display configurations (graph, list, etc.).
• In DOSIMETER mode: The meter can perform a noise survey after which the user can transfer the survey data to a PC.
  Note: In DOSIMETER mode, the individual measurements are NOT logged and cannot be recalled

• Perform OSHA and IEC Noise accumulation surveys
• Adjustable Criterion Level, Exchange Rate, and Threshold
• Ideal for personal/workplace accumulated noise exposure
• Records/displays: Start/Stop Time, % dose, TWA, dB level, exposure time, and peak events when used in dosimeter mode
• Storage of 5 separate dosimeter surveys, Bi-directional RS-232 with Windows® compatible software to control setup and retrieve stored events or analyze real-time measurments, and a real time clock. Software lists and graphs functions.
• Complete with belt clip, clip-on 0.5″ microphone with 2.6ft (0.8m) cable, 9 pin to 25 pin adaptor and RS-232 cable, Windows® compatible 95/98/NT/2000/ME/XP software, 4 AAA batteries , mini screwdriver and carrying case

• Personal accumulated noise exposure measurement
• Workplace noise assessment
• OSHA and other regulatory agency compliances

• Standards: Meets ANSI S1.25(1991) Type 2, ISO-1999, BS 402 (1983)
• Range/Resolution: 70 – 140 dBA / 0.1dB
• Digital Display LCD: 0.01-9999%
• 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 Rate: Fast or Slow
• High Level Detector/Peak Flag: 115dB / 140dB
• Dimensions/Weight: 4.2 x 2.5 x 1.3” (106 x 64 x 34mm) 8oz. (227g) incl.batteries
• Microphone: 1/2 inch electret condenser with 31” cable
• Battery Life: 34 hrs
• Event Storage: 5 surveys
• RS232 Interface: yes
• Real time clock: yes

• Extech 407355 Data Sheet.pdf
• Extech 407355 User Manual.pdf