1.Measuring bowl volume:7000ml 

2.Air content range:0%-10%(Maximum range≤10%) 

3.Aggregate size:≤40mm 

4.Test error: 0%-10% is about +0.0020% (the last two digits can be ignored). (The last two bits can be ignored) 

5.Maximum range of pressure gauge: 0.2Mpa. 

6.Initial pressure point: 0.1000±0.0020Mpa, with self-calibration initial point before delivery (can be selected according to its environment and operator) 

7.No water injection initial pressure point (dry method): "0.1000Mpa" initial point (the last two decimal points floating range ≤ 10)

8.Test exhaust method: hand slide type 

9.Test exhaust method: hand-sliding type 

10.Power supply: rechargeable lithium battery (can work continuously for ≤3 hours when fully charged, standby for ≤8 hours)