Keysight XP2-class wavelength meters include the 86120 Series.
86122C Multi-Wavelength Meter is best suited to efficiently develop, manufacture and verify tunable transmitter lasers and optical subsystems for high-speed applications.
| Wavelength range | 1270 nm to 1650 nm |
|---|---|
| Best power accuracy | ± 0.5 dB |
| Measurement cycle time | 0.3 s |
| Minimum resolvable line separation | 5 GHz |
| Absolute wavelength accuracy | ± 0.2 ppm |
Achieve ultra-fine wavelength resolution with absolute accuracy down to ±0.2 ppm, ideal for tightly spaced ITU channel validation and fine spectral tuning.
Real-time wavelength display and fast measurement speeds enable closed-loop laser tuning and high-throughput manufacturing workflows.
Covers multiple optical wavelength ranges across C, L, and O bands to support diverse applications from optical communications to photonics.
Factory-calibrated to international standards with long-term stability and low drift to provide you confidence in every wavelength measurement.
| Wavelength range | 1270 nm to 1650 nm, 700 nm to 1650 nm |
| Absolute wavelength accuracy | ± 0.2 ppm to ± 1 ppm |
| Measurement cycle time | 0.3 s to 0.6 s |
| Minimum resolvable line separation | 5 GHz to 15 GHz |
| Best power accuracy | ± 0.5 dB to ± 0.6 dB |
86122C Multi-Wavelength Meter is best suited to efficiently develop, manufacture and verify tunable transmitter lasers and optical subsystems for high-speed applications.
Enhanced, stabilized HeNe reference laser with double lifetime
The 86122C has been optimized for lower cost of ownership and less downtime through the combination of product enhancements, 2-year recommended re-calibration period and 5-year standard warranty, all at no extra cost.
Innovate at speed with curated support plans and prioritized response and turn-around times.
Get predictable, lease-based subscriptions and full lifecycle management solutions—so you reach your business goals faster.
Experience elevated service as a KeysightCare subscriber to get committed technical response and more.
Ensure your test system performs to specification and meets local and global standards.
Make measurements quickly with in-house, instructor-led training, and eLearning.
Download Keysight software or update your software to the newest version.

The EDU34450A is a bench DMM with dual-display 5.5-digit-resolution digital multimeter with up to 110 readings/s measuring rate for speed-critical tests.

The EDU190A is an anodized metal frame that enables one EDU series instrument to stack on each other. It can be securely attached to the wall or lab bench.

The Keysight DM34460A series 6.5-digit dual-display digital multimeter uses Truevolt technology to perform accurate hardware design validation and debugging.

The Keysight DM34461A 6.5-digit dual-display digital multimeter uses Truevolt technology to perform accurate hardware design validation and debugging.