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25
Customizing
Dosimeter setting
Dosimeter settings for the Edge | Name Field |
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| *Note: refer to Glossary for more detailed information. |
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Heartbeat enable | When enabled (or checked), the LED will flash green while running |
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| and flash amber when stopped. |
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Response | Either Slow Time Response or Fast Time Response is applied to |
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| the measurements. (Typically Slow time response is used in the |
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| US market while Fast is used in the EU communities.) |
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When enabled (or checked), C minus A will be calculated. |
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Projected Time | A selectable time parameter via the up/down arrows or type in a |
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| value. The projected time value is used to make projected dose |
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| calculation for the dose measurement. |
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Peak Weighting | Select either A, C or Z for the peak frequency weighting. |
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Dose indicator LED | When enabled (or checked), the LED will flash red when the dose |
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| value exceeds the designated entered value. |
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Setup name | (Optional field) A setup name may be entered into the Meter 1 |
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| and/or Meter 2 fields. When set, it appears on the top of Edge’s |
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| display (example setup names: OHSHA, MSHA, EU directive). |
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Threshold enable | When the checkbox is selected and a value is entered for meter 1 |
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| and/or meter 2, the threshold is used to calculate Lavg, TWA, and |
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| Dose measurements. |
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Upper Limit | Select a UL dB level by the up/down arrows or by typing in a value. |
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| (Note: The upper limit (UL) is a measurement setting in which the |
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| user selects a specific decibel level. The UL value records the |
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| amount of time that the Sound level is at or greater than the |
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| entered level.) |
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RMS Weighting | Select either A or C RMS Weighting. (Note: The RMS (root mean |
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| square) are the results from the Edge with the response time and |
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| weighting settings taken into account.) |
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Criterion Level | Select a Criterion level via the up/down arrow or by typing in a |
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| value. (Note: Criterion level is the average SPL that will result in |
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| 100% dose over the criterion time and is typically set by a |
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| regulatory agency such as OSHA, EU directive.) |
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Exchange Rate | Enter in (or select with up/down arrows) 3, 4, or 5 dB. ER refers to |
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| how sound energy is averaged over time. (OSHA uses a 5 dB |
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| doubling rate while most of the world uses 3 dB.) |
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Table 1-2: Dosimeter fields explained for the Edge
Page 25 | eg4 & eg3 |