0-3.32' WaterMark Style C Stream Gauge - 精准水位测量，适用于河流、湖泊及水利工程监测

Graduated to hundredths and marked at every foot and every tenth. 2-1/2" Wide. Numbered 3-1/3' sections are available to 19.98'. Finished with a special porcelain enamel to ensure easy reading and resist rust or discoloration. Can even be used in salt water! Each gauge or gauge section is accurately graduated. Provided with grommeted holes for fastening with No. 8 round head screws.