This back mount pressure gauge prevents pointer fluttering and is for use with pumps, compressors, hydraulic machinery, and motors. This gauge has a 0-30 PSI/KPA pressure range, a 1/4-inch NPT connection, and a 2 1/2-inch dial. This stainless steel gauge features a +/-1.50% accuracy and a -20 Degrees C to 65 Degrees C temperature range.