Noise Dosimeter

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The Noise Dosimeter measures cumulative noise exposure for occupational safety.

Documentation

Apps Features Specs

Found in These Apps

Key Features

8-hour noise dose calculation

Projected dose and TWA

80, 85, 90 dB criterion levels

3, 4, 5 dB exchange rates

Built for Standardized Measurement: The Noise Dosimeter offers standard noise dose metrics, including frequency weighting, criterion levels, and exchange rates, defined by the ANSI S1.25 standard for personal noise dosimeters.

Data Logging (Pro Feature): Log sound level data for up to 2 weeks at intervals as small as 0.1 seconds. Use the auto-save feature to keep logging data beyond 2 weeks, for as long as your device has disk space available.

Save Data: Export signal level values and metadata to a data file (.csv, .mat, or .txt). Or, generate a high-resolution image of the display and save it to a PDF file.

Specifications

Input: 1 channel at a time, selected from any available input, output, or virtual output channels
Criterion Level: 80, 85, 90 dB
Threshold: 40, 50, 60, 70, 80, 90 dB
Exchange Rate: 3, 4, 5 dB
Frequency Weighting: Z (zero, or no weighting), A, C
A, C Weighting Supported Sample Rates (samples/second): 44100, 48000, 88200, 96000, 176400, 192000
Automatic Stop: Enable/Disable
Automatic Stop Duration: 0.1 seconds up to 14 days, 23 hours, 59 minutes, 59.9 seconds

Data Logging (Pro Feature)

Log Size: Uses Automatic Stop Duration
Log Levels: Enable/Disable
Show in Log Plot: Noise Dose, Projected Dose, Time Weighted Average (TWA), Lp

Log Interval

User-defined, with constraints
Data Log Size > 72 hours: Log interval >= 10 seconds
Data Log Size > 8 hours: Log interval >= 1 seconds
Data Log Size <= 8 hours: Log interval >= 0.1 seconds

Notification Events (Pro Feature)

Local Notifications
Auto-Stop
Lp_max Exceeds: User-definable sound level threshold
Leq Exceeds: User-definable sound level threshold

Bar Graph

Lp
Level divisions: 10
Autoscale: Auto
Level Axis: dB

Data Export

Data File Format: CSV, MAT, TXT
Image: PDF
Optionally include current location in exported data files.

* Specifications subject to change

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