1、5.2 Engineering Unit Codes 工程单位代码This table is included to maintain backward compatibility with HART Revision 5 and earlier. For HART 6, please refer to the expansion tables below. Actual text display of these codes is host dependent. 此表属于HART6版本单位代码内容，向下兼容HART5修订
2、版和更早版本，这些代码的实际文本显示取决于主机显示器。The enumerations range from 1- 169 and 220 – 239 计数范围从1-169和220–239Temperature Unit （温度单位）CodeDescription（描述）Note32Degrees Celsius（摄氏度）33Degrees Fahrenheit（华氏度）34Degrees Rankine（朗肯度）35Kelvin （开尔文）Pressure Unit（压力单位） CodeDescription（描述）中文1
3、inches of water at 68 degrees F英寸的水在华氏68度2inches of mercury at 0 degrees C英寸汞柱在0摄氏度3feet of water at 68 degrees F英尺汞柱在0摄氏度4millimeters of water at 68 degrees F毫米的水在华氏68度5millimeters of mercury at 0 degrees C毫米汞柱在0摄氏度6pounds per square inch磅每平方英寸7bars巴bar8millibars千巴
4、Kba9grams per square centimeterg/cm310kilograms per square centimeterKg/cm311pascals帕斯卡Pa12kilopascals千帕斯卡KPa13torr托=133.322帕斯卡14atmospheres大气压atm.145inches of water at 60 degrees F英寸的水在华氏60度237 megapascals兆帕Mpa238inches of water at 4 degrees C英寸的水在4摄氏度239millimeter
5、s of water at 4 degrees C4摄氏度的毫米水Volumetric Flow Unit （体积流量） CodeDescription（描述）中文15cubic feet per minute立方英尺/每分钟16gallons per minute加仑/每分钟17liters per minute升/分钟L/min18imperial gallons per minute英制加仑/分钟19cubic meter per hour立方米/每小时22gallons per second加仑/每秒23millio
6、n gallons per day百万加仑/每一天24liters per second升/每秒25million liters per day百万公升/每天ML/Day26cubic feet per second立方英尺/秒27cubicfeetperday立方英尺/天28cubic meters per second立方米/秒29cubic meters per day立方米/每天30imperial gallons per hour加仑/ 小时英制31imperial gallons per day加仑/ 每天(gpd
7、)英制121normal cubic meter per hour MKS System122normal cubic meter per hour MKS System123standard cubic feet per minute U.S. System130cubic feet per hour立方英尺/小时131cubic meters per minutem3/min立方米/每分钟132barrels per second 1 barrel equals 42 U.S. gallons133barrels
8、per minute 1 barrel equals 42 U.S. gallons134barrels per second 1 barrel equals 42 U.S. gallons135barrels per day 1 barrel equals 42 U.
