Portable industrial signal acquiring apparatus

The utility model relates to a portable industrial signal acquiring apparatus. The portable industrial signal acquiring apparatus comprises an input terminal, the input terminal is connected with an analog signal conditioning module, the analog signal conditioning module is connected with a signal converting module, the signal converting module is connected with a storage module through a digital isolator, the storage module is connected with a microprocessor, the microprocessor is connected with a wireless module, and the wireless module is connected with an output port through an isolation power supply module. The portable industrial signal acquiring apparatus can support a plurality of single terminal analog signal acquisition such as currents, voltages and the like, support difference analog signal acquisition and support 485 bus data acquisition; the portable industrial signal acquiring apparatus is portable in product design, batteries are used for supplying power for the apparatus, the size is small, power dissipation is low, and the apparatus is portable and easy to use; and the portable industrial signal acquiring apparatus is applied to on-site industrial signal detection, on-site sensor signal extraction and various places needing on-site signal monitoring.