What kind of handheld terminal is used in the meter reading machine in smart grid?

As a miniaturized mobile data acquisition device, handheld terminal is especially suitable for data acquisition in outdoor or other mobile areas, and has been widely used in public utilities, geological mapping, transportation and logistics, oil and water conservancy, commercial services, military factories and mines and other fields. In the field of power supply, it is mainly used for parameter setting and query, data exchange and program upgrade of field equipment (concentrator, collector and watt-hour meter).

As an important part of intelligent meter reading system, smart grid meter reading machine or intelligent meter reading terminal not only saves a lot of time, manpower and material resources, improves meter reading efficiency, reduces property cost, but also makes meter reading more accurate.

There are many manufacturers of hand-held terminals, which mainly follow the enterprise standard Q/GDW 374.2-2009 "Technical Specification for Power Users' Electricity Information Collection System: Technical Specification for Centralized Meter Reading Terminals".