1.Volume:1L 

2.Pressure gauge range:0.1Mpa. 

3.Material of pressure gauge: made of pure 304 stainless steel, in line with national Standard GB/T1227-2010 "Precision Pressure Gauge". 

4.Gas content range:0-20%; 

5.Accuracy:0.1 %; 

6.Precision:0.1 %. 

7.Precision:0.1%;0-6% is 0.1%;7-20% is 0.2%. 

8.Weight about 3.2KG