Agilent/Keysight 81511A – Optical Head
Agilent / Keysight Optical Power Meters. Resolution: 3 digits (Watts) with 1 pW minimum, Accuracy: ±2.5%.
- Model
- Agilent / Keysight 81511A
- Calibration
- Available on request
- Price
- $1,189
- Status
- In stock
- RFQ ref
- 81511A
This unit
The Agilent/Keysight 81511A is an optical head designed for integration with Agilent/Keysight 8151A Optical Pulse Power Meters and compatible interface modules. It performs accurate power measurements across fiber optic communication systems, supporting peak power, average power, and extinction ratio characterization for component testing, system verification, and manufacturing quality control.
Technical Specifications
- Wavelength Range: 550 nm to 950 nm; factory calibrated for 850 nm
- Maximum Core Diameter: 200 µm
- Measurement Range: +10 dBm to −60 dBm
- Resolution: 3 digits (Watts) with 1 pW minimum; 4 digits (dB) with 0.01 dB minimum
- Accuracy: ±2.5%
- Dimensions: 60 mm (H) × 96 mm (W) × 200 mm (D)
- Weight: 1.3 kg net; 2 kg shipping
- Operating Temperature: 0°C to +55°C
- Storage Temperature: −40°C to +70°C
- Humidity Rating: 95% RH from 0°C to +40°C
Key Features
- Peak and average power measurements for digital and non-repetitive signal evaluation
- Median power and amplitude measurement capability
- Extinction ratio measurement for on/off state signal analysis
- O/E transducer functionality
- HP-IB interface support (functions: SH1, AH1, T6, L4, SR1, RL1, PPO, DC1, DT1, CO)
- Calibration grid indicates correction factors for wavelengths outside 850 nm primary calibration
- Supports multiple fiber connector types and bare fiber configurations
Typical Applications
- Fiber optic component and module characterization
- Digital optical signal threshold and amplitude assessment
- Optical system verification and performance validation
- Manufacturing quality control for fiber optic assemblies
Compatibility & Integration The 81511A integrates with the 8151A Optical Pulse Power Meter mainframe and supports the Agilent 81618A (single-channel) and 81619A (dual-channel) interface modules. Legacy support extends to Keysight N7749C platforms. Connector adapters accommodate standard Diamond HMS-10 fiber optics and optional NEC/D3 (FC) configurations.
Agilent / Keysight 81511A — Repair & Calibration Service
Aumictech offers NIST-traceable calibration and repair for the Agilent / Keysight 81511A. Calibration covers detector responsivity at 850, 1310, 1490, 1550, and 1625 nm, absolute power accuracy, linearity across the full dynamic range, and reference power level. All calibrations ship with a NIST-traceable certificate. Turnaround is typically 1–3 business days after receipt.
Common Agilent / Keysight 81511A faults: detector contamination, damaged FC/PC input port, display failure. Common repairs include detector port cleaning or replacement, display repair, and battery or capacitor replacement in older HP/Agilent/Keysight units.
Agilent / Keysight 81511A price
This Agilent / Keysight 81511A is listed at $1,189. Calibration is available separately from $450. Contact us for volume pricing or if you need multiple units.
Agilent / Keysight 81511A calibration cost
NIST-traceable calibration for the Agilent / Keysight 81511A is $450 (standard — pass/fail certificate and calibration sticker) or $650 (full measured data at every test point, reference standards documented, traceability chain included). Calibration for this instrument covers detector responsivity at 850, 1310, 1490, 1550, and 1625 nm, absolute power accuracy, linearity across the full dynamic range, and reference power level. Turnaround is 1 to 3 business days after receipt. See full calibration details →
