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NEUBRESCOPE™ (Patent pending)
NBX-6050/A Specifications ・
| laser wavelength | 1550±2 nm | |||||
| measuring object | strain distribution,temperature distribution,center frequency distribution,loss distribution,BGS width distribution,SBS distribution,BGS | |||||
| distance range | 50m, 100m, 250m, 500m, 1km, 2.5km, 5km, 10km, 25km | |||||
| measurement frequency range | 9 ∼ 13 GHz | |||||
| range of strain measurement | -30,000 to +40,000με (-3% to 4%) | |||||
| measurement frequency scan step | 1,2,5,10,20,50 MHz | |||||
| readout resolution | 5cm (default), 1cm(minimum) | |||||
| average count settings | 2^5 ∼ 2^23 (inc. Hardware Average Count 2^16) | |||||
| pulse width | 0.5 ns | 1 ns | 2 ns | 5 ns | 10 ns | |
| spatial resolution | 5 cm | 10 cm | 20 cm | 50 cm | 100 cm | |
| dynamic range *1 | 1 dB | 1.5 dB | 3 dB | 3 dB | 6 dB | |
| max. measurement distance *2 | 1 km | 2 km | 5 km | 10 km | 20 km | |
| optical budget *1*6 | 2 dB | 5 dB | 7 dB | 8 dB | 10 dB | |
| Measurement accuracy *3*4 | 15 με / 0.75 ℃ | 7.5 με / 0.75 ℃ | ||||
| Repeatability *3*4*5 | 10 με / 0.5 ℃ | 7.5 με / 0.35 ℃ | ||||
| measurement Time*7 | 5 seconds (minimum, NBX-6050) 0.1 seconds (minimum, NBX-6050A) |
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| siginal terminal ・ | signal fiber | SM fiber・ | ||||
| fiber connector | FC-APC / SC-APC (factory option) | |||||
| suitable fiber | SM fiber | |||||
| power supply | AC100 ∼240V 50/60Hz 250VA | |||||
| laser class | CLASS 1 (IEC60825-1: 2001) | |||||
| dimensions / weight | approx. 456(w) x 485(D) x 286 (H)mm / 30kg | |||||
| operating temperature | 10 ℃∼ 35 ℃ / humidity below 85% (no dew condensation) | |||||
| storage temperature | 0 ∼50℃ | |||||
| place of production | Japan | |||||
| (2011/06/03) | ||||||
| *1 Based on 2^15 average cycles by progressive measurement mode. | ||||||
| *2 Based on average fiber loss of 0.3 dB/km using SM fiber | ||||||
| *3 Based on the measurement of strain-free UV-coated fiber | ||||||
| *4 Based on the measurement of strain-free UV-coated fiber and in constant temperature environment | ||||||
| *5 The maximum standard deviation of measurement value in 5 consecutive measurements for 100 consecutive points | ||||||
| *6 Within the allowable range adjusted by the optical power excluding the case of nonlinear phenomena | ||||||
| *7 The setting of 50m range, 2^14 count settings, 41scan steps excluding the time for Pulse Adjustment | ||||||
| *1-*6 are all based on a frequency scan step of 5 MHz and with Pulse Adjustment and Auto Frequency Adjustment on. | ||||||
