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