Features Ranges: 40 mbar up to 600 bar Basic accuracy: ±0.25% Sensor: silicon piezoresistive Pressure port: G1/4”; 1/4” NPT; M20x1.5; G1/2” etc. Media temperatures: -40…+125 °C Ambient temperatures: 0…+50 °C Display: 4 ½ digits with backlight, min / max value, bargraph, units, 330° rotatable Battery life: 1 year to 5 years Ingress protection: IP 65 Features: configurable via buttons, including zero trim, auto-off, etc Description OCTO 3420 is a digital pressure gauge. Powered by 2xAA batteries, it provides up to a year of reliable readings of pressure updated twice every second in active mode, and up to 5 years in on-demand mode. For user convenience, the instrument has a backlight with auto-off feature. In addition to the current pressure reading, a multifunctional display shows minimum and maximum values since the last reset. User is able to trim zero and the full scale, select measurement units, decimal point position, adjust auto-off timeout.