Technical Specification |
| Acoustic accuracy |
ANSI S1.25, IEC61252 2002 Personal sound exposure meters |
| Dynamic range (dB) |
65 to 140 |
| 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 rate (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 LED's showing level noise exceedances during run |
| Indicators |
2 stage hi intensity LED's for memory, battery or noise warnings |
| User controls |
2 push buttons for On/Off and OK/Accept |
| Weight (oz, g) |
< 2.4 oz (68 g) |
| Size (in, mm) |
< 2.8 x 1.7 x 2.0 in (72 x 42 x 52 mm) |
| Case molding |
High impact ABS plastic molding |
| Battery pack |
Two half AAA size NiMH rechargeable cells |
| Battery life (hr) |
32 hours continuous, unit gives expected remaining battery life in
hours when switched on by "fuel gauge" display icon |
| Charging unit |
dBadge master charger base with drop in charging
via connections on back of dBadge casing |
| Charging unit |
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 from dB35 pc program |
