For example: Agilent E4440A or Anritsu 68369

Yokogawa

Yokogawa is a renowned manufacturer known for its comprehensive range of test and measurement instruments and solutions. With a rich history spanning over a century, Yokogawa has built a strong reputation for delivering high-quality products for industries such as industrial automation, process control, and electrical measurement. Their instruments are known for their accuracy, reliability, and advanced features, making Yokogawa a trusted choice for professionals in various fields seeking precise and reliable measurement solutions.