The current signal generator is praised for its accuracy, versatility, and compact size, making it ideal for various uses. However, the operating manual is considered vague and the device requires some effort to figure out. The device is a good value for the money.

This generator is praised for its affordability, ease of use, and versatility in measuring based on 0-10V and 4-20mA signals. However, some users experienced issues with the on/off switch, accuracy, and battery life. The device is suitable for occasional use, but may not be ideal for heavy use or industrial applications.

This tool is praised for its portability, built-in battery, and ease of use. It is useful for various applications such as testing and debuging electronics. However, some users experienced issues with the metric readings.