Keysight (Agilent)
Keysight (Agilent) 81533B
Optical Head Interface Module
Dual-Channel Optical Head Interface Module Module Type
2 Number of Channels
Keysight 8153A, 8164A, 8164B, 8166A, 8166B Compatible Mainframe
Compatible with 81500 Series Optical Heads Optical Head Compatibility
800 nm to 1700 nm (dependent on connected optical head) Wavelength Range

| Attribute | Value |
|---|---|
| Module Type | Dual-Channel Optical Head Interface Module |
| Number of Channels | 2 |
| Compatible Mainframe | Keysight 8153A, 8164A, 8164B, 8166A, 8166B |
| Optical Head Compatibility | Compatible with 81500 Series Optical Heads |
| Wavelength Range | 800 nm to 1700 nm (dependent on connected optical head) |
| Power Measurement Range | +10 dBm to -110 dBm (dependent on connected optical head) |
| Interface | Dual optical head interface with individual channel control |
| Measurement Functions | Optical power, insertion loss, return loss |
| Form Factor | Single-slot plug-in module |
| Application | Fiber optic component testing, optical power measurement, loss measurement |
| Model | 81533B |
|---|
The Keysight (Agilent) 81533B Optical Head Interface Module enables single optical head connectivity to compatible mainframes for high-precision fiber optic power measurements.
Supporting analog signal output via BNC and compatibility with optical heads like 81520A, 81521B, 81524A, and 81525A, it’s ideal for telecom and photonics applications.
Testwall can supply the used Keysight (Agilent) 81533B, 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) 81533B.





