Volume:

 1L

Air content range:

 0-100%

Accuracy:

 0-5% is 0.1%, 6-20% is 0.15%, 21-100% is 0.2%

Pressure gauge:

 dustproof, waterproof, explosion-proof

Main unit material:

 magnesium aluminum silicon alloy

Buckle:

 push type

Weight

6kg