Case size: 2 inches (50mm) Case material: Black steel case Tube and socket: Phosphor bronze and brass Movement: Brass Connection: Bottom 1/4-inch BSP, BSPT, NPT Pressure range: 0 to 400 bar, 0 to 40Mpa, 0 to 5, 800psi Window: Polycarbonate with output pin Accuracy: 3-2-3% or 2. 5%