The HP 81536A optical power sensor module is designed for use in the HP lightwave multimeter mainframes.

• Sensor Element: InGaAs
• Wavelength Range: 800 - 1700nm
• Power Range: +3 to -70dBm
• Uncertainty at Reference Conditions: ±2.5% (1000 - 1650nm)
• Total Uncertainty: ±5% ±50pW (1000 - 1650nm)