| Bit Error Rate Tester | AP9950/51 | 40Gbit/s BERT |
| AP9945/46 | Portable 10Gbit/s BERT | |
| AQ2200 | Modular 10Gbit/s BERT | |
| Optical Sources | AQ4302 | He-Ne Laser |
| AQ4303B | White Light Source | |
| AQ4315 | High-power ASE Source | |
| AQ4321AD | Tunable Laser Source | |
| Measurement Systems | AQ8423Z | Optical Amplifier Analyzer |
| AQ8200 | Test and Measurement Systems | |
| AQ8465 | Passive Component Tester | |
| AQ7750 | Optical Sampling Oscilloscope | |
| OTDRs | AQ7410B | High-resolution reflectometer |
| NEW | AQ7260 | Mini-OTDR |
| AQ8603 | Optical Strain Analyzer | |
| Optical Spectrum Analyzers and Multi-Wavelength Meters | AQ6319 | Optical Spectrum Analyzer |
| AQ6370 | Optical Spectrum Analyzer | |
| AQ6315A/B | Optical Spectrum Analyzer | |
| AQ6331 | Optical Spectrum Analyzer | |
| AQ6141 | Multi-Wavelength Meter | |
| AQ6140 | Multi-Wavelength Meter | |
| Attenuators, Meters and Switches | AQ2140 | Optical Multimeter |
| AQ2141 | Optical Multimeter Expansion Frame | |
| AQ2150B | Hand-held Optical Multimeter | |
| AQ3150 | Optical Attenuator | |
| AQ3540 | Optical Channel Selector | |
| Yokogawa are one of the largest suppliers of optical fiber test equipment. Ando has designed and developed several of the worlds leading optical spectrum analyzer and other fibre optic test equipment. | The Yokogawa optical fiber product range can found throughout the photonics industry, being used in areas of research, development and manufacture. Yokogawa prides it's self on the quality of the Yokogawa optical products. | |