ATO-A1S Series Superior Compact OTDR
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Features:
- 4.3-inch HD touch screen
- Measure distance as short as 2 meters
- Event Dead Zone: 1.2m; Attenuation Dead Zone: 5m
- 1 m resolution for accurate mapping of event
- Support multi-result analysis
- multi-trace comparing
- fiber attenuation by least square method
- fiber attenuation by two point method
- results corresponding to segments
- interface screen shot for any display
- Cover full range of user interface

General Specification
| Display | 4.3 inch HD (touch screen) |
| Battery | 3.7 V/4000mAh X 1 lithium battery
Continuously test: > 8 hours (back light off) Charging time: 3 hours with adapter; 10 hours with USB |
| Data Storage | 20,000 groups of curves |
| Interface | USB Type C×1, 8GB SanDisk |
| Working Temp | -10℃~+50℃ |
| Storage Temp | -20℃~+70℃ |
| Humidity | ≤95% (non-condensation) |
| Accessories | Main unit, 12V power adapter, Lithium battery, FC adapter, USB cord, User guide, RJ45 Cable Tracker, carrying case, wrist belt |
| Dimension | 6.85× 3.62×1.77 inches/ 0.88 pounds (battery included)
174×92×45 mm/ 0.4kg (battery included) |
Test parameter
List of Function
| 1, AUTO OTDR | 2 VFL | ![]() |
| 3, Expert OTDR | Event Map | |
| 5, OPM | 6, OLS | |
| 7, RJ45 Track | 8, RJ45 Sequence | |
| 9, RJ45 Length | 10, Laser Range
(Distance Measurement) |
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| 11, System | ||
Specification
Notes:
①Dynamic range is measured with maximum pulse width, averaging time is 3 minutes, SNR=1; The level difference between the RMS noise level and the level where near end back-scattering occurs.

②Event dead zone is measured with pulse width of 3ns; attenuation dead zone is measured with pulse width of 5ns.








