Item Type: Pressure Gauge_x000D_ Material: Stainless Steel + Brass_x000D_ Product Size: Approx. 7x5x2.8cm / 2.8x2.0x1.1in_x000D_ Thread Specification: NPT_x000D_ Installation Caliber: 1/4_x000D_ Product Range: 0-600psi_x000D_ Normal Working Environment Temperature: -40-70 1[Round Dial] The measuring range is 0?600psi, the dial scale is clear, with pointer indication, and the value can be displayed intuitively. 2[1/4 NPT Connector] With 1/4 inch NPT thread, easy to connect and disassemble, and has good sealing performance to prevent leakage. 3[Stable And Reliable] It is widely used in water pressure testing of well pumps, swimming pools, aquariums, spas and other occasion. 4[Multi Purpose] Support 1/4in NPT installed at the bottom, suitable for air pressure, oil pressure, water pressure, hydraulic pressure, etc. 5[Brass Joint Parts] Good corrosion resistance, suitable for measuring the pressure rate of non corrosive gases and liquids.1. Please allow 0?1 inch error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.1 x Pressure Gauge