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The Keysight (Agilent) 81628B Optical Power Head features a built-in integrating sphere with wavelength-specific calibration, enabling precise high-power measurements up to +40 dBm. It includes an 8 mm wide aperture and removable heat sink for >2W input, with fiber and bare fiber clamp adapters. Logging capabilities reach up to 20,000 samples with auto-ranging and averaging from 100 µs to 10 s.
Compatible with 816x mainframes via 81618A/81619A modules, it supports input through open beams or custom holders when adapters are removed.
Testwall can supply the used Keysight (Agilent) 81628B, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Keysight (Agilent) 81628B.
Returns
If you are not completely satisfied with your purchase, simply return the item to us in its original condition within 30 days of receipt.
Returned items should be unused and must be returned in original packaging with any enclosed documentation. We will issue a full refund on receipt, excluding the original delivery charge. Alternatively, if preferred, we will exchange the item.
VAT
Prices exclude VAT. Intra-Community transactions: Under the EU VAT Directive, B2B sales of goods across EU VAT borders is VAT zero-rated.
Where VAT is charged, a rate of 23% is applied.
VAT is not charged outside of the EU.
