Water meter is a measuring instrument to determinethe number of flow of water flowing in a pipe equipped with a pointing device to declare the volume of incoming water with various classes of metrology. For the general public, the application of flow meter for biased water seen at home in the form of water meters to calculate the use of PDAM water. As for fuel iswidely used at gas stations to calculate the amount of fuel sales volume. Oneof the brands of water meter that is often used and has a good quality, namelybr brand. In addition, in terms of the price of this type of water meter BR isvery affordable.water meter BR 2 inch DN50Spesification :size : 50 mm (2 inch)nominal flow rate : 40 m3/hminimum flow rate : 1,2 m3/hminimum reading : 0.01 m3maximum reading: 999999,99