General with number wheel, clear reading, easy to read, but there are also some people who believe in the near distance meter reading, or install the pointer type instead of them, because this type can be according to the geometric angle of pointer to judge reading, without the need to see the numerical scale cylindrical frame.

In recent years, liquid seal type of counter is due to overcome the general counter day long into the water rust interferes with the disadvantage of reading and popular.

Far eastone meter and prepaid water meter reading is showed by the electronic devices or use the copy machine for data collection and transmission, but the base table is still keep reading, in order to copy the reading problems of electronic devices in comparison.