Keysight 81401A Optical Loss Test Set
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Keysight 81401A is a handheld optical loss test set for measuring insertion loss in optical components and links, covering 700–1700 nm wavelengths.
Product details
| Model | 81401A |
| Manufacturer | Keysight |
| Category | RF Power Meters |
| Availability | Made to order |
Description
Overview
The Keysight 81401A is a handheld optical loss test set designed for installation, maintenance, and characterization of optical links and components. It operates as a power meter, standalone source, or loss test set configuration, making it versatile for datacom and telecommunications applications.
Key Features
- Wavelength range: 700–1700 nm
- Calibration wavelengths: 850, 1300, 1500 nm
- InGaAs photodiode (PD) sensor module
- 1300 nm LED laser source included
- Compact, lightweight handheld design
- Multiple operational modes: power meter, source, or loss test set
Applications
- Measurement of transmitter output power
- Power level measurement at fiber ends
- Dark fiber detection
- Insertion loss measurement of optical passive components
- Total link loss verification for power budget checks
Specifications
| Wavelength Range | 700–1700 nm |
| Calibration Wavelengths | 850, 1300, 1500 nm |
| Sensor Type | InGaAs Photodiode |
| Laser Source | 1300 nm LED |
| Form Factor | Handheld |
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Keysight 81401A Optical Loss Test Set
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