1, volume: 7000ml ± 25ml

7000ml ± 25ml

2, air content range: 0% -10%

0% -10%

3, aggregate particle size: ≤ 40mm

≤ 40mm

4, main unit Material:

aluminum durable alloy,valves are made of copper, aluminum

5. Test error:

1% - 4% ± 0.15%, 5% - 7% is ± 0.2%, 8% - 10% - ± 0.25%

6, pressure gauge range:

0.25Mpa, accuracy 0.00025Mpa

7. Test allowable error:

direct reading  ±0.25%, non-direct reading  ±0.5%

8, initial pressure point (direct reading method):

5 (according to environment operators can choose)

9, initial pressure point (non-direct reading method):

0.1Mpa

10, air release method:

manual