Fungsi: Alat ukur kebisingan suara di area kerja, pemukiman, bandara, terminal dan sebagainya. |
Spesifikasi : | |
a. Sound Level Meter | |
▪ Accuracy | : Class 1 |
▪ Microphone type | : Electret ICP – ½' - |
▪ Sensibility | : 15 mV/Pa |
▪ Measuring type | : Free-field |
▪ Measurement dynamic | : Lp/Leq : 117dB - Lpk : 57dB |
▪ Single Dinamioc range | : 20-137dB |
: 25-137dB | |
: 83-140 dbc (Z) Leq | |
: 15-137dB (by octave Band 16hz-16kHz) | |
▪ X frequency | : A – C – Z |
▪ Y frequency Weighting | : F (fast) |
: S (slow) | |
: I (Impulse) | |
: U (peak) | |
▪ Logging time for short Leq | : 1/16s-1/8s-1/4s-1/2s- 1s to 60s |
▪ Measured values | : LXY – LXYmax – LXYmin - LXeq,T – |
: LXeq,DI – LXE – LXeq,DImax – LXeq,DImin | |
▪ Screen | : Graphical display 240 x 160 pixel - LCD |
monochrome 16 level | |
▪ Keypad | : 8 sensitive keys |
▪ Clock | : Permanent |
▪ Memory module | : Micro SD card 2Go |
▪ Environment | : from -10 °C to +50 °C |
▪ Humidity | : from 0 to 90% HR |
▪ Dimensions (L x l x e) | : 270 x 70 x 40 mm |
▪ Weight (including batteries) | : 355 gr |
▪ Fixing | : Insert at rear for fixing on tripod |
b. ACOUSTIC CALIBRATOR | |
▪ Acoustic pressure | : 94 dB ± 0,25 dB |
▪ Additional Acoustic pressure | : 114 dB ± 0,25 dB |
▪ Main frequency | : 1000 Hz ± 5 Hz |
▪ Distortion | : DHT < 2% |
▪ Authotization for calibration | : Green or orange light |
▪ Transmission time | : 1 minute |
▪ Standards | : NF EN 60942 : 2003 – CEI 60942 : 2003 |
▪ Accuracy | : Class 1 |
▪ Power supply | : 2 alkaline batteries – 1,5 V |
▪ Storage | : From 0°C to +60 °C |
▪ Overall dimensions | : 185 x 35 x 31mm |
▪ Weight | : 118 g (with batteries) |
c. Complete unit : | |
▪ Main unit dB-300 and windscreen | |
▪ Acoustic Calibrator | |
▪ Certificate calibration | |
▪ Manual books | |
▪ USB Cable and data procesing Software | |
▪ Carrying case |