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NEUBRESCOPE™ (Patent pending)
NBX-6026 Specifications ・ / Catalog
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laser wavelength |
1550 ± 2nm |
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measuring object |
strain distribution,temperature distribution,center frequency distribution,loss distribution,BGS width distribution,SBS distribution,BGS |
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distance range |
50m, 100m, 250m, 500m, 1km, 2.5km, 5km, 10km, 25km |
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measurement frequency range |
9 to 13 GHz |
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range of strain measurement |
-30,000 to +40,000με (-3% to 4%) |
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measurement frequency scan step |
1,2,5,10,20,50 MHz |
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readout resolution |
5cm (default), 1cm(minimum) |
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average count settings |
2^5 to 2^23 (inc. Hardware Average Count 2^16) |
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pulse width |
0.2 ns |
0.5 ns |
1 ns |
2 ns |
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spatial resolution |
2 cm |
5 cm |
10 cm |
20 cm |
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dynamic range *1 |
0.5 dB |
1 dB |
1.5 dB |
3 dB |
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max. measurement distance *2 |
0.5 km |
1 km |
2 km |
5 km |
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optical budget *1*6 |
2 dB |
3 dB |
5 dB |
7 dB |
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Measurement accuracy *3*4 |
15 με / 0.75 °C |
7.5 με / 0.75 °C |
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Repeatability *3*4*5 |
10 με / 0.5 °C |
7.5 με / 0.35 °C |
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measurement Time*7 |
10 seconds (minimum,
Readout Resolution: 5cm) |
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siginal terminal ・ |
signal fiber |
SM fiber・ |
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fiber connector |
FC-APC / SC-APC (factory option) |
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suitable fiber |
SM fiber |
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Input/Output/Control Interface |
USB 2.0 x4, LAN x2, RGB x1 |
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power supply |
AC100 to 240V, 50/60Hz, 250VA |
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laser class |
CLASS 1 (IEC60825-1: 2001) |
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dimensions / weight |
approx. 456(w) x 485(D) x 286 (H)mm / 30kg |
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operating temperature |
10°C to 35°C / humidity below 85% (no dew condensation) |
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storage temperature |
0 to 50°C |
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place of production |
Japan |
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(2018/06/18) |
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*1 Based on 2^15 average cycles by progressive measurement mode. |
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*2 Based on average fiber loss of 0.3 dB/km using SM fiber |
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*3 Based on the measurement of strain-free UV-coated fiber |
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*4 Based on the measurement of strain-free UV-coated fiber and in constant temperature environment |
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*5 The maximum standard deviation of measurement value in 5 consecutive measurements for 100 consecutive points |
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*6 Within the allowable range adjusted by the optical power excluding the case of nonlinear phenomena |
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*7 The setting of 50m range, 2^14 count settings, 41scan steps excluding the time for Pulse Adjustment |
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*1-*6 are all based on a frequency scan step of 5 MHz and with Pulse Adjustment and Auto Frequency Adjustment on. |
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