Optical Head 900nm-1700nm, Ge, 5mm diameter

The Agilent (now Keysight) 81521B is a Ge Optical Head for 8166A/B Lightwave Multichannel System, or 8164A/B, 8163A/B and 8153A Lightwave Multimeter.

Sensor element: Germanium, 5 mm diameter

Power range: +3 to -80 dBm

Wavelength range: 900 to 1700 nm

Uncertainty: +/- 2.2 %

Fiber type: 9/125 μm - 100/140 μm

Requires 81533B optical interface

€ 1.500 (net) $1.800 (US)