Water Meter Flow Standard Device
This device can be used for type verification, mandatory initial inspection, and production inspection of water meters. Basic Information
1.1 Flow range of the device: (0.002-8) m³/h;
1.2 Uncertainty of the device: ≤0.2% (k=2);
1.3 Ambient temperature: 15-30℃;
1.4 Relative humidity: (45%-75%);
1.5 Atmospheric pressure: (86-106) kPa;
1.6 Power supply voltage: 400V±5%, 50Hz;
1.7 Air source pressure: (3.5-6) bar;
1.8 Acquisition methods: MBUS/RS485/infrared; with pulse meter inspection function;
1.9 Equipment power: Water pump: 4KW; Heating: 4KW×2; Refrigerator: 4KW;
1.10 Quantity of meters inspected: Ultrasonic water meters (DN15: 12 pcs; DN20: 10 pcs; DN25: 8 pcs);
1.11The device is controlled automatically by a computer. A verification report is generated after inspection. The data in the inspection
report supports functions,such as printing, saving, statistics, and query.
