리퍼비시 계측기

리퍼비시 계측기


  • Model81626B
  • MakerAgilent
  • DescriptionHigh Power Optical Head
  • Rental문의요망
  • Stock문의요망

A built-in calibrated filter allows this head with InGaAs detector to measure power up to +27 dBm.


  • Power Range: -70 to +27 dBm
  • Low PDL uncertainty ±0.002 dB typical
  • Low spectral ripple uncertainty: ±0.002 dB typical
  • Optional ±2.5% uncertainty with special calibration 

The 8162xB family of optical power heads provide accurate power measurements with a large area detector in a remote head for flexible positioning. Functionality includes averaging time settings from 100 µs to 10 s, automatic power ranging, monitoring of minimum and maximum values and logging up to 20k samples. Fiber adapters are available for common connector types including MT ribbon fiber connectors and bare fiber clamps. (see www.keysight.com/find/octaccessories)

The D-shaped adapter type are held magnetically for quick adapter change. The heads also include a removable 81624DD adapter ring for use with the threaded type adapters. The heads are connected to the 816x mainframes using the 81618A single channel or 81619A dual-channel interface module.


  • Low relative uncertainty reduces the impact of connectorizing and fiber handling and leads to a robust test setup
  • The 5 mm large-area detector is less susceptible for connector misalignment and guarantees highly repeatable measurement results. Lower power per mm² makes the optical head more suitable for high power measurements and guarantees better linearity
8162xB Product Comparison
  81620B 81623B 81624B 81626B 81628B
Sensor element Si, Ø 5 mm Ge, Ø 5 mm InGaAs, Ø 5 mm InGaAs, Ø 5 mm InGaAs
Wavelength range 450 nm to 1020 nm 750 nm to 1800 nm 800 nm to 1700 nm 850 nm to 1650 nm 800 nm to 1700 nm
Power range +10 dBm to –90 dBm +10 dBm to –80 dBm +10 dBm to –90 dBm +27 dBm to –70 dBm (1250nm – 1650nm)
+23 dBm to –70 dBm (850nm – 1650nm)
+40 dBm to –60 dBm (800nm – 1700nm)
Relative uncertainty
-due to polarization
-spectral ripple
(due to interference)
  < ± 0.01 dB
(typ. < ± 0.005 dB)
< ± 0.006 dB
(typ. < ± 0.003 dB)
≤ ± 0.005 dB
(typ. ± 0.002 dB)
≤ ± 0.005 dB
(typ < ± 0.002 dB)
≤ ± 0.005 dB
(typ. ± 0.002 dB)
≤ ± 0.005 dB
(typ. < ± 0.002 dB)
typ. ≤ ± 0.006 dB






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