The OFT-820N series optical Loss Test Set combines two optical test equipments – Light Source and Power Meter in the same box. The optical Light Source fulfills all the necessary technical requirements for field equipment. Available in various working wavelengths combinations: 850, 1300, 1310, 1490, 1550 and 1625 nm. The optical Power Meter is designed to measure absolute or relative optical power in optical networks. The changeable adaptor design allows the simple exchange of optical connectors according actual need.
The memory capacity allows storage and uploading of up to 3000 measurements including memory position or fiber number, wavelength, absolute value or relative value and insertion loss. The rechargeable battery ensures long term working with a minimum life time of 5 years.
OFT-820N Loss Test Set
- Portable power meter
- USB probe – accesssory of Testing Workplace
• High capacity two level memory
• Detection of modulation 270 Hz, 1 kHz, 2 kHz
• AWD (Auto Wavelength Detection) function
• Various working wavelengths
• USB-C port - battery charging, data download, FW upgrade
• USB probe mode - full control via simple commands
• Comes with its own PM application for setting, data transfer
• Absolute and Relative optical power measurement
• Displayed units: dBm, dB, W
• Powered by built-in rechargeable battery
• Battery status indicator , Auto Off function
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Light Source |
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Output power |
Note: |
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850 nm, 1300 nm |
0 dBm |
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1310, 1490, 1550, 1625 nm |
0 dBm |
typ. value |
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Stability (1 hour, delta/2): |
tested after 20 min warm up temperature 23 ± 1° |
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850, 1300 nm |
± 0.03 dB |
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1310, 1490, 1550, 1625 nm |
± 0.05 dB |
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Power meter |
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Photodetector |
1 mm InGaAs |
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Working wavelengths |
850, 1300, 1310, 1490, 1550, 1625 nm |
can be customized |
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Dynamic range: Standard |
-65 dBm to +10 dBm -57 dBm to +17 dBm |
1300, 1310, 1490, 1550, 1625 nm 850 nm |
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Uncertainty |
± 5% |
1310, 1550 nm @ -20 dBm |
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Resolution |
0.01 |
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AWD/Modulation Detection |
-50 dBm -45 dBm |
1300 – 1625 nm 850 nm |
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General |
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Dimensions |
165 x 80 x 50 mm |
with 2.5 mm universal adapter |
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Weight |
400 g |
with battery |
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Temperature operating storage Humidity (non condensing) |
-10 to +50 °C -40 to +70 °C 0 to 95% |
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Operating temperature |
-10 to +50 °C |
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Battery working time |
> 50 hrs |
between battery charging |
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Battery life time |
> 2 years |
Li-Pol battery |
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Compliant with RoHS-requirements (2002/95/EG, 27.01.2003)
- Measure absolute or relative optical power in optical networks
TEQ_10-24_EN-OFT-820N
