This type of devices meets the technical requirements of international specifications for Measuring. It is now the only means for unifying the size of measurement between water meters, water meter calibrating devices in the world (also in china) and by which the performance and quality of water meters may be determined. And therefore it become the necessary equipment for test and calibration of water meter in water meter factory, waterworks and water meter testing station.(For specifications of product see table 1 below)
Size
(mm)
Measures
(L)
Material
Precision
(Grade)
Flow rage
(m3/h)
Applicable
Water meter
(mm)
15-25
10,20,50,100
Stainless
steel
0.2
0.004-7
15,20,25
40-50
100,500
Stainless
steel
0.2
0.03-30
40,50
Remarks:
1. The length of straight tubes in front, mid and back of two water meters is 15 times of D.
2. It can be used as authoritative calibration
3. Glass rotor-type flow rate meter is equipped.
