The Anritsu MU931421A is an optical sensor module engineered for plug-in integration with Anritsu MT9810A, MT9810B, and MT9812B optical test mainframes. It delivers precise power measurements across the 750 to 1700 nm wavelength range with ±2% measurement accuracy and ±0.01 dB linearity. The module accepts bare fiber and free-space optical inputs via all standard optical connectors, making it suitable for component characterization, system performance evaluation, and manufacturing test environments.
## Technical Specifications
• **Wavelength Range:** 750 to 1700 nm
• **Measurement Range:** +10 dBm to –80 dBm
• **Measurement Accuracy:** ±2%
• **Linearity:** ±0.01 dB
• **Noise Floor:** ≤–73 dBm
• **Polarization Dependency:** ≤0.02 dB
• **Return Loss:** ≥40 dB
• **Measurement Bandwidth:** 10 kHz
• **Calibration Factor Range:** –99.999 to +99.999 dB
• **Analog Output:** Approximately +2 V
• **Operating Temperature:** 0° to +50°C
• **Operating Humidity:** ≤90% (non-condensing)
• **Dimensions:** 41 mm (W) × 78 mm (H) × 335 mm (D)
• **Mass:** ≤550 g
## Key Features
• Automatic zero calibration with manual range override capability
• Supports all standard optical connectors for flexible deployment
• Low polarization dependency enables reliable measurements across diverse fiber types
• High return loss (≥40 dB) minimizes reflective errors
• Calibration factor input accommodates system offset compensation
## Typical Applications
• Optical device performance evaluation and characterization
• Component manufacturing and incoming inspection
• Communications system development and validation
• Maintenance and field diagnostics
## Compatibility & Integration
The MU931421A integrates with Anritsu MT9810A, MT9810B, and MT9812B mainframes via plug-in slot architecture. Compatible mainframes provide GPIB and RS-232C interfaces for PC-based remote control and data acquisition. System configurations support pairing with Anritsu light sources (DFB-LD, FP-LD, SLD) and ancillary optical components including directional couplers and channel selectors.
