... in cylinder. Through a gas pressure sensor inside, the gauge sends pressure signal to fuel changeover switch, so that the driver get ... 2''. Or, your customized size4. Measurement range: 0~400bar, 0~6,000psi (dual scale)5. Coupling: Bottom or back connection6. Thread Coupling ... : M20x1,5, BSP, NPT, BS, UN...7. Ambient ...