|
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, 25 km
|
|
Measurement Frequency Range
|
9～13 GHz
|
|
Range of Strain Measurements
|
-30,000 ～ +40,000με (-3% ～ 4%)
|
|
Measurement Frequency Scan Step
|
1, 2, 5, 10, 20, 50MHz
|
|
Readout Resolution
|
5 cm (default), 1 cm (minimum)
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|
Sampling Points
|
600,000 (default), 3,000,000 (maximum)
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Average Count Settings
|
2^5～2^23 times (inc. Hardware Average Count 2^16)
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Function
|
PPP-BOTDA
|
|
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 (approx.)*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*1*3*4
|
15με/ 0.75 ℃
|
7 με / 0.3 ℃
|
|
Repeatability(σ)*1*3*4*5
|
7.5με/ 0.35 ℃
|
3 με / 0.15 ℃
|
|
Measurement Speed
|
FS mode*7
|
< 15 Hz (maximum)
|
|
AT mode*8
|
< 550 Hz (maximum)
|
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Suitable Fiber
|
Single Mode Optical Fiber
|
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Fiber Connecter
|
FC-APC / SC-APC (factory option)
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|
Interface
|
USB 2.0 x4, LAN x2, RGB x1
|
|
Power Supply
|
AC100～240V 50/60Hz 250VA
|
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Laser Class
|
Class 1 (IEC60825-1: 2001)
|
|
Dimensions / Weights
|
456(W)×485(D)×286(H) mm / 30 kg
|
|
Operating Temperature
|
10～35℃, Humidity below 85 % (no dew condensation)
|
|
Storage Temperature
|
0～50℃
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Place of Production
|
Japan |
| *1 |
Based on 2^15 average cycles by progressive measurement mode. |
| *2 |
Based on average fiber loss of 0.3 dB/km using single mode fiber. |
| *3 |
Based on the measurement of strain-free, UV-coated fiber. |
| *4 |
Based on the measurement with strain-free, UV-coated fiber and in constant temperature environment. |
| *5 |
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 settings of 50 m distance range, 2^8 count settings, 41 scanning steps in batch processing mode. |
| *8 |
The settings of 50 m distance range, 2^8 count settings, 1 scanning steps in batch processing mode. |
| *1-*6 are all based on a frequency scan step of 5 MHz and with Pulse Adjustment and Auto Frequency Adjustment on. |
Neubrex Co., Ltd. Sakaemachidori 1-1-24, Chuo-ku, Kobe, Hyogo, 650-0023 JAPAN [map]
Copyright © 2007 Neubrex Co., Ltd. Tel:+81-78-335-3510/Fax:+81-78-335-3515 E-Mail: info@neubrex.jp |
