| Acoustic Accuracy |
ANSI S1.25, IEC61252 2002 Personal sound exposure meters |
| Dynamic Range |
65 to 140 dB |
| Frequency Weightings |
A for rms values plus Z and C for peak measurements |
| Time Weightings |
Slow for Q=5 data plus non for Q=3 data as required for standards |
| Exchange Rates (Q dB) |
5 and 3 simultaneously |
| Threshold Level (dB) |
Any levels from 70 to 90 in 1 dB steps |
| Criterion Level (dB) |
Any level between 70 and 90 in 1 dB steps |
| Microphone Capsule |
Removable ½" type 2 device can be calibrated with any standard acoustic calibrator using ½" diameter cavity |
| Calibration Method |
Automatic recognition and calibration to user set dB level |
| Display Screen |
96 x 26 pixel graphics LCD with 2 line text messages |
| Alarm Warning Indicators |
Red and blue LEDs showing level noise exceedances during run |
| Parameters Measured in Run |
Noise dose%, projected noise dose%, TWA, LC-La, Max, min, peak |
| User Controls |
2 push buttons for On/Off and OK/Accept |
| Case Molding |
High impact ABS plastic molding |
| Battery Pack |
Two half AAA size NiMH rechargeable cells |
| Battery Life |
32 hours continuous, unit gives expected remaining battery life in hours when switched on by fuel gauge display icon |
| Charging Unit |
3 way dBadge master charger base with drop in charging via connections on back of dBadge casing |
| Memory Storage |
At least 180 hours at 4 profiles every minute with unit showing remaining memory recording time in hours when switched on |
| Stored Profile Values |
Lavg(Q=5), LZpk, Leq(Q=3), LCpk |
| Storage Interval |
Fixed 1 minute for all 4 results simultaneously |
| Real Time Clock |
Date and time stamp on all calibration data and profile results |
| Fixing Method to Worker |
Various fixing clips provided for clothing and hard hat mounting |
| Microphone Protection |
Lockable foam windscreen to protect microphone |
| Security Features |
dBadge can be locked prior to being left on worker to prevent tampering - showing only duration and run in progress on display |
| Localization of Menus |
Up to 5 standard languages can be selected for screen prompts, English, Spanish, French, German, Italian |
| Identification of Multiple Units |
2 line text string can be uploaded form dB35 PC program |
| Size |
2.8" x 1.7" x 2.0" |
| Weight |
2.4 ounces |