... Diameter: 60mm=2.5'',100mm=4'',150mm=6''. 4. Measurement range: From -0.1 to 70Mpa 5. Dial plate: ... Single or dual scale (psi, kpa, mpa, bar, kg/cm2) available 6. Coupling ... connection with border. 7. Thread coupling: M20*1.5, M14*1.5, BSP, NPT, BS and UN available 8 ... of liquid, gas or vapor not corrosive to copper, steel and alloy, and sends signal ...