The Agilent/Keysight 81530A is an optical power sensor head delivering high-precision measurements across the visible and near-infrared spectrum. It houses a Silicon photodiode sensor element and connects to compatible Agilent/Keysight mainframe units to provide traceable optical power characterization for communications and component testing.
Technical Specifications
• Sensor Type: Si (Silicon) Photodiode
• Wavelength Range: 450 nm to 1020 nm
• Power Range: +3 dBm to −100 dBm
• Measurement Accuracy: ±2.5% (600 nm to 1020 nm)
• Linearity: ±0.015 dB ±0.3 pW
• Bandwidth: DC to 300 Hz–1000 Hz (range and head dependent)
• Analog Output Voltage: 0–2 V (open circuit)
• Output Impedance: 600 Ω typical
• Maximum Input Voltage: ±10 V
• Internal Modulation Modes: 270 Hz, 1 kHz (selectable)
• Calibration: NIST and PTB traceable for insertion loss
– Key Features
• Direct integration with 8153A, 8163, and 8166 series mainframes via proprietary module interface
• PC-type optical connector (81000xI Series interface connectors sold separately)
• Wide dynamic range spanning visible to near-IR wavelengths
• Low-impedance analog output suitable for data acquisition systems
• Selectable digital modulation for dynamic measurement protocols
– Typical Applications
• Optical component characterization and quality assurance
• Fiber optic system power monitoring
• LED and laser source validation
• Insertion loss and attenuation measurement
– Compatibility & Integration
The 81530A is designed exclusively for mainframe-based systems. It requires a compatible Agilent/Keysight 8153A, 8163, or 8166 series mainframe for operation. Optical connectors are procured separately.
Product Status: This model is obsolete and no longer manufactured by Keysight. Availability through third-party channels may vary.
