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underground cable fault locator GW1301 Fiber Cable Identifier localizador de cable de fibra optica
- Automatic parameter adjustment
- Strong environmental adaptability
- Audio visual signal output
- APP real-time display of knocking waveform
With Optical Cable Identifier function
With Distrubance Point Location Function
With Standard OTDR function( cable length, cable loss, event point testing)


Item | GW1301A | GW1301B |
Optics | ||
Detection mode | Single fiber detection | |
Detection Wavelength | 1550nm | |
Optical interface | SC/APC | |
Optical cable searching | ||
Max optical output power | -5.0dBm | 1.0dBm |
Max detection distance *1 | 40km | 80km |
Signal to Noise Ratio | 40dB | |
Link test | ||
Dynamic range | 28/26dB(1310/1550nm) | |
Pulse width | 10ns,640ns,1280ns,5120ns,AUTO | |
Dead zone | Event dead zone ≤5m, Attenuation dead zone ≤15m | |
Sampling | Sampling interval ≥0.125m, Hits ≤32K | |
Ranging accuracy | ±(1m + sampling interval + 0.003% × distance) (Refractive error are not included) | |
Measurement range | Max detection distance 100km | |
Electric | ||
Display | 10-inch industrial-grade touch LCD | |
Real-time waveform display | Support | Support |
Waveform voice prompt | Support | Support |
Battery | 7.4V, 8000mAh, srandby time*2 ≥ 24 hours, Continuous working*3 ≥ 6 hours | |
Power supply | DC 12V / 5A | |
Power | ≤ 12W | |
Machinery | ||
Volume (H×W×L) | 85×270×32mm | |
Weight | ≤2.7kg | |
Environment | ||
Operating temperature *4 | 0 - 40℃ | |
Storage temperature | -10 - 50℃ | |
Best starage condition | keep out of the sun, normal temperature, dry | |
Note:
1. With signal enhancement module, the detection range can be extended with 20km.
2. With the standby mobile power pack, the standby time can be increased to 72 hours.
3. With the standby mobile pack, the full load operating time can be increased to 15 hours.
4. To extend the life of your device, try to avoid working for over three hours at full load under extreme temperature conditions.


Ordering Information of GW1301-X-X-X-X
X: Test range option: A=40KM; B=80KM
X: APP function: AP=APP function; NO= NO APP function
X: OTDR option: CL= Optical Cable Length Test Function; OT= OTDR function
X: Tapping position function: TP= Tapping position function; NO= NO Tapping postion function
Standard Accessories:
1. Main Unit
2. Carrying Case
3. Earphone
4. AC Adapter
5. Fiber Patchcord

Our products mainly fall into six categories, namely
Optic Power Meters, Light Source,Optic Multimeter,VFL
OTDR, Fiber Optic Identifier etc
Fusion Splicers,Fiber Cleavers, Electrodes, Blades, Batteries,
Protective Sleeves etc
ODF, Terminal Box, Fiber Optic Joint Closure/Box, FTTH Box etc
Patch Cords, Pigtails,Attenuators,Couplers,Adapters,
Mechanical Splice, Splice-on Connectors etc
Our products are extensively used in CATV, telecom/data transmission and other industries.
Shanghai Govo Telecom Co.,Ltd.
Your reliable supplier and partner!
Feel free to send us inquiry , we will offer the quality products with best prices and services.
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