The HP 81532A Power Sensor Module is compatible with the 8153A, 8163A/B,8164A/B  and 8166A/B Lightwave Multimeter Mainframes.

  ● 8153, 8163, & 8164 Mainframe Compatibility
  ● InGaAs Sensor Element
  ● Analog Output
  ● Range of 800 to 1700 nm
  ● Power Range of +3 to -110 dBm