... CNG pressure gauge: Compressed Natural Gauge for car and gas high accuracy: 2.5%, 1.6% ... : black steel case3. Lens material: acryl4. Tube and socket: phosphor bronze and brass5. Movement: brassConnection: bottom or back 1/4 ... NPT6. Pressure range: 0 to 400bar, 0 to 40MPa and 0 to 5,800psi7. Window: polycarbonate with output pin ... .5, 1.69. Supply voltage: 5, 10, 12 and 32V DC10. Output signal: 0.5 to 2.5, ...