Keysight N7744C Integrated Optical Power Meter - Product Overview
The Keysight N7744C is a professional-grade integrated optical power meter specifically designed for optical communication system testing, device verification, and production environments. With its dual-channel architecture and excellent measurement performance, it serves as an ideal tool for DWDM system maintenance and high-speed optical module testing. Below is a detailed introduction covering four key aspects: core specifications, technical features, application scenarios, and system compatibility.
1. Key Specifications Table
| Parameter Category | Technical Specifications | Notes |
|---|
| Wavelength Range | 1250-1650 nm | Covers O/E/S/C/L bands |
| Power Measurement Range | -70 dBm to +23 dBm | Auto-range switching |
| Measurement Accuracy | ±0.03 dB (typical) | Calibrated (at 23°C±5°C) |
| Resolution | 0.01 dB | High-precision mode |
| Detector Type | InGaAs (Thermally Stabilized) | Low-noise design |
| Channel Count | 2 independent measurement channels | Simultaneous sampling |
| Connector Interface | FC/APC (standard) | Optional FC/PC or SC/APC |
| Calibration Wavelengths | 1310/1490/1550 nm | NIST-traceable |
| Maximum Input Power | 500 mW | Supports high-power applications |
| Response Time | <20 ms | Fast measurement mode |
| Communication Interface | USB/RS-232/GPIB | Supports SCPI/Python control |
2. Technical Features
Dual-Channel Synchronous Measurement
Integrated 2 independent measurement channels support synchronous power monitoring, improving testing efficiency by 100%.
Active Temperature Control
Thermally stabilized design with <±0.1°C temperature fluctuation ensures ±0.03 dB long-term stability.
Smart Data Management
Built-in 5,000-point data storage with CSV export capability for post-analysis.
User-Friendly Interface
5-inch color touchscreen with graphical data display and touch operation.
Automated Testing Support
Enables remote control via SCPI commands for integration into automated test systems.
3. Application Scenarios & Testing Solutions
| Application Field | Testing Requirements | Recommended Equipment |
|---|
| DWDM System Maintenance | Channel power monitoring & equalization | Keysight N7711A Tunable Laser |
| Optical Module Testing | Receiver sensitivity testing | Keysight N1092D BER Analyzer |
| Fiber Optic Sensing | Distributed sensor network calibration | Keysight 81599A Optical Attenuator |
| R&D Laboratories | Optical device performance verification | Keysight N4952A BERT |
4. System Compatibility
Hardware Compatibility: Compatible with Keysight N77xx series test platforms
Software Compatibility: Supports Keysight PathWave test automation software
Protocol Compatibility: Compatible with third-party platforms like LabVIEW and Python
5. Product Advantages Summary
Efficient Dual-Channel: Synchronous measurement significantly improves work efficiency
Precision & Reliability: ±0.03 dB accuracy meets stringent testing requirements
Rugged Construction: Suitable for both laboratory and field environments
Smart & Convenient: Dual operation modes with touchscreen and remote control
Package includes:
NIST-traceable calibration certificate
Calibration fiber jumpers (3 pieces)
Professional transport case
