st.st case CNG pressure gauge with sensor

st.st CNG pressure gauge with sensor 
pressure gauge specification
case diameter 2"

st.st case with inner sensor
range 400bar/psi

Scale face material: PC(Polycarbonate);
Spring pipe material: Bronze (Qsn6. 5-0. 1),

connection: Brass (HPb59-1),
thread: G1/4(PF1/4), M14*1. 5, ZG1/4(PT1/4), NPT1/4;
Power source: DC(12+-2v).

Accuracy grade: 1.6,