Handheld control instrument

The utility model relates to the technical field of magnetic field measurement, in particular to a handheld control instrument, which comprises a three-proofing shell, a display screen and a control panel, the display screen is embedded on the upper surface of the three-proofing shell, the control panel is mounted inside the three-proofing shell, and the control panel comprises a panel body, an energy storage power supply, a processor and a data communication module. The energy storage power supply, the processor and the data communication module are all mounted on the plate body, the energy storage power supply is electrically connected with the processor and the data communication module, and the data communication module can perform information interaction with the data communication module of the magnetic field recorder, so that the magnetic field recorder can be remotely controlled to measure and record a magnetic field without debugging on site; the operation is simple, and the practicability is very go