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NEUBRESCOPE™ (Patent pending)
NBX-6020 Specifications ・ Photo
| 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 (min） | ||||
| average count settings | 2^5 ∼ 2^23 | ||||
| pulse width | 0.2 ns | 0.5 ns | 1 ns | 2 ns | |
| spatial resolution | 2 cm | 5 cm | 10 cm | 20 cm | |
| dynamic range *1 | 0.5 dB | 1 dB | 1.5 dB | 3 dB | |
| max. measurement distance *2 | 100 m | 1 km | 2 km | 5 km | |
| optical budget *6 | 1 dB | 3 dB | 5 dB | 7 dB | |
| strain measurement accuracy*3 | ±25 με | ||||
| temperature measurement accuracy *4 | ±1 ℃ | ||||
| repeatability*3*4*5 | ±10 με / ±0.5 ℃ | ||||
| measurement speed*7 | 200 seconds(min) | ||||
| 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 | rack type | ||||
| operating temperature | 10 ℃∼ 35 ℃ / humidity below 85% (no dew condensation) | ||||
| storage temperature | 0 ∼50℃ | ||||
| place of production | Japan | ||||
| (2008/04/02) | |||||
| *1 Based on 2^15 average cycles | |||||
| *2 Based on average fiber loss of 0.3 dB/km using SM fiber | |||||
| *3 Based on the measurement of strain-free SM fiber | |||||
| *4 Based on the measurement of strain-free SM fiber and in constant temperature environment | |||||
| *5 The deviation range of measurement value for 5 consecutive measurements for 100 consecutive points | |||||
| *6 Within the allowable range being adjusted by the optical power, except the case of nonlinear phenomena | |||||
| *7 Within the setting of 50m range, 2^13count settings, 41scan steps except the time of Pre-Pump Adjustment | |||||
| *1-*5 are based on a frequency san step of 5 MHz and with Pre-Pump Adjustment and Auto Frequency Adjustment on. | |||||
