Perbesar Gambar| Fungsi : Alat ukur kebisingan suara di area. |
| Specification : | |||
| a. Sound Level Meter | |||
| ▪ | Accuracy | : | Class 2 |
| ▪ | Microphone type | : | Electret ICP – ½' - |
| ▪ | Sensibility | : | 15 mV/Pa |
| ▪ | Measuring type | : | Free-field |
| ▪ | Dynamic | : | Lp/Leq : 100 dB - |
| : | Lpk : 50 dB | ||
| ▪ | A-weighted | : | 30-130 dB |
| ▪ | C-weighted | : | 35-130 dB |
| ▪ | Z-weighted | : | 35-130 dB |
| ▪ | Peak channel | : | 83-133 dB |
| ▪ | X frequency | : | A – C – Z |
| ▪ | Y frequency | : | F (fast) – S (slow) |
| : | I (impulse) - Peak (pk) | ||
| ▪ | Logging time for | ||
| - Short Leq from | : | 1 s to 60 s | |
| - Sampling for Lp | : | from 1 s to 60 s | |
| - Measured values | : | LXY -LXYmax - LXYmin -LXeq,T-LXeq, | |
| DI-LXE-LXeq,DImax – LXeq,DImin | |||
| ▪ | Simultaneously Storage | : | All according LXY or LXeq choice |
| ▪ | Detection percentage overload | : | Alarm graphics and calculation |
| of percentage during the storage | |||
| ▪ | Screen | : | Graphic display 240 x 160 pixel - |
| LCD monochrome 16 levels – | |||
| digital and analogue display -- | |||
| 3D effect on display | |||
| ▪ | Keypad | : | 8 sensitive keys |
| ▪ | Internal clock | : | Saved by internal battery |
| ▪ | Memory module | : | integrated Micro SD card type data |
| transfer by USB cable | |||
| ▪ | Environment | : | from -10 °C to +50 °C |
| ▪ | Humidity | : | from 0 to 90% HR |
| ▪ | Dimensions | : | 270 (L)x 70(i) x 40(e) mm |
| ▪ | Weight | : | 280 gr (including batteries) |
| b. Automatic Check | |||
| ▪ | Acoustic pressure | : | 94 dB ± 0,4 dB |
| ▪ | Main frequency | : | 1000 Hz ± 5 Hz |
| ▪ | Distortion | : | DHT < 3% |
| ▪ | Authorization for calibration | : | Green light |
| ▪ | Transmission time | : | 1 minute |
| ▪ | Standards | : | NF EN 60942 : 2003 – CEI 60942 : 2003 |
| ▪ | Accuracy | : | Class 2 |
| ▪ | Power supply | : | 2 alkaline batteries – 1,5 V |
| ▪ | Storage | : | From 0°C to +60 °C |
| ▪ | Dmensions | : | L: 185mm-W : 35mm-T : 31mm |
| ▪ | Weight | : | 118 g (with batteries) |
| c. complete unit : | |||
| ▪ Main unit DB-200 | |||
| ▪ Windshield | |||
| ▪ Transport bag | |||
| ▪ USB Cable | |||
| ▪ LDB 200 data processing software | |||
| ▪ Ceritificate of calibration | |||
| ▪ Automatic check / calibrator | |||
| ▪ Manual books | |||