Absolute CTP3B30PSIA This device is a ruggedized test gauge with ±0.1% accuracy and various user-configurable features. It includes a 4-digit LCD display with white LED backlight, offering three readings per second and min/max memory storage. The gauge is powered by 2 AA alkaline batteries and has a long battery life of 150-1500 hours. It features a passcode-protected calibration system, auto shutoff functionality, and selectable units. The construction includes epoxy powder-coated aluminum housing, ABS/polycarbonate bezel, and 316L stainless steel wetted parts. It is suitable for a wide range of pressures, from vacuum service to overpressure limits. Operating temperatures range from -4 to 185°F (-20 to 85°C), making it versatile for various environments.