| Specification : |
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| a. Sound Level Meter |
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| ▪ |
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 |
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|
| |
- Short Leq from |
: |
1 s to 60 s |
| |
- Sampling for Lp |
: |
from 1 s to 60 s |
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- Measured values |
: |
LXY -LXYmax - LXYmin -LXeq,T-LXeq, |
| |
|
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DI-LXE-LXeq,DImax – LXeq,DImin |
| ▪ |
Simultaneously Storage |
: |
All according LXY or LXeq choice |
| ▪ |
Detection percentage overload |
: |
Alarm graphics and calculation |
| |
|
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of percentage during the storage |
| ▪ |
Screen |
: |
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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|
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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) |
| |
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| b. Automatic Check |
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| ▪ |
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) |
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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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|
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