Keysight (Agilent)
Keysight (Agilent) 81625A
High Power InGaAs Optical Head, 5mm
800 nm to 1700 nm Wavelength Range
-110 dBm to +10 dBm Power Range
Universal Interface (UI) compatible with FC, SC, ST, LC adapters Connector Type
±0.4 dB Measurement Accuracy
120 dB Dynamic Range
| Attribute | Value |
|---|---|
| Wavelength Range | 800 nm to 1700 nm |
| Power Range | -110 dBm to +10 dBm |
| Connector Type | Universal Interface (UI) compatible with FC, SC, ST, LC adapters |
| Measurement Accuracy | ±0.4 dB |
| Dynamic Range | 120 dB |
| Detector Type | InGaAs Photodiode |
| Module Compatibility | Keysight 8163A/B, 8164A/B, 8166A/B Mainframes |
| Averaging Time | 100 µs to 10000 s |
| Power Resolution | 0.001 dB |
| Calibration Uncertainty | ±2% (at reference wavelength 1310 nm / 1550 nm) |
| Model | 81625A |
|---|
The Keysight (Agilent) 81625A High Power Optical Head delivers high-accuracy optical power measurements across a wide wavelength range of 850 to 1650 nm. Designed for integration with the 81618A single or 81619A dual optical head interface modules, it operates seamlessly with Keysight (Agilent) 8163B, 8164B, and 8166B mainframes. Featuring a 5 mm InGaAs detector, it supports power measurements from +20 to -80 dBm with a wavelength uncertainty of ±4.0% (950–1630 nm). The magnetic D-shape adapter and safe stand enhance usability across connectorized, bare fiber, or open beam setups.
Testwall can supply the used Keysight (Agilent) 81625A, 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) 81625A.
