1. The body of test bench is made of industrial aluminium, the central distance and height of clipping device are changeable.
2. The test bench can sample volume of bell prover, volume of tested meter and calculate testing error automatically.
3. The test bench has operation control panel to choose the type of tested meter and set up testing data, the operation is easy and intuitionistic
4. The test bench can convert right and left input gas and check the flow rate.
5. The bell prover can move up and down automatically and the gas-output valve can switch automatically.
1. Among the pipe system of test bench, the testing range of absolute pressure sensor is 0~1bar, accuracy ≤ 0.2%; Testing range of micro pressure sensor is -500Pa~500Pa, accuracy ≤ 0.5%; Testing range of temperature sensor is 0~50 degree, accuracy ≤ 0.2%.
2. Bell prover specification:
Sealing liquid: Clean water or transformer oil;
Standard tank: 100L;
Working pressure: Over 1Kpa;
Pressure variation: Less than 50Pa;
3. Test bench accuracy: Less than 0.5%.
4. Tested meters: 4PCS
5. Suitable G1.6, G2.5, G4 gas meter.
6. Condition: Environment temperature 20degree~5degree
Relative humidity 60%_70%
Atmosphere pressure 86kPa_106kPa
7. Power supply 220V(or 3*220V)~20V ~50Hz