1, pure pointer water meter reading. At this time, it is an old water meter. Don't look at the red pointer, just look at the black pointer. When reading the black pointer, you need to read it counterclockwise, in which the first black pointer represents single digits, the second black pointer represents ten digits, and the following pointers represent hundred digits, thousand digits and ten digits respectively. Just read it separately, which is the reading of the water meter.
2, intelligent prepaid water meter reading. This water meter includes a digital reading area and a pointer reading area, wherein the pointer reading area is red, and the pointer reading area is marked with x0. 1, x0.0 1, x0.00 1, x0.000 1. These readings are all decimal places and do not need to be calculated. The digital reading area is black, so just read its value directly. For example, the black digital reading area shows 1 m3, which means 1 ton of water.