Keysight (Agilent)
Keysight (Agilent) 81525A
800 nm to 1700 nm Wavelength Range
Germanium (Ge) Detector Type
-80 dBm to +10 dBm Power Range
FC/PC Connector Type
±0.1 dB Calibration Uncertainty

| Attribute | Value |
|---|---|
| Wavelength Range | 800 nm to 1700 nm |
| Detector Type | Germanium (Ge) |
| Power Range | -80 dBm to +10 dBm |
| Connector Type | FC/PC |
| Calibration Uncertainty | ±0.1 dB |
| Linearity | ±0.01 dB |
| Compatible Mainframe | Keysight 8153A, 8163A, 8164A, 8166A |
| Measurement Speed | Up to 1000 readings per second |
| Operating Temperature | 0 °C to 55 °C |
| Module Form Factor | Single-slot plug-in module |
| Model | 81525A |
|---|
The Keysight (Agilent) 81525A Optical Head features a 5mm InGaAs sensor element, supporting a broad wavelength range from 800nm to 1650nm. It is designed for use with the 81533A or 81533B plug-in modules, compatible with 8153A, 8163, and 8166 mainframes.
This device ensures precise power measurements using the CAL parameter with the attenuation value printed at 850nm (AL-type) on each lens.
Testwall can supply the used Keysight (Agilent) 81525A, fully tested.
With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality.Please contact us directly if you need calibration or repair of the Keysight (Agilent) 81525A.





