The Agilent/HP 81525A High Power Optical Head Sensor interfaces to lightwave mainframes through the 81533B module. Compatible with 8153, 8163, and 8164 mainframes. The optical head is a 5mm InGaAs sensor with a wavelength sensitivity of 800-1650nm and a measurement range of +27 to -70 dBm.

Features:
Optical Head for 8153, 8163, 8164 Mainframes
Wavelength Range: 800-1650 nm
Power Range: +27 to -70 dBm
5mm InGaAs Sensor
Interfaces to the 81533B Module