一、美国PI TAPE(圆周尺)是依据圆周算法,进而发展为一轻便,易于携带之大型圆外径,量测器具二、最小读值可达到0.01MM,精度±0.03MM(直径3600MM以内) 三、读音值方式,由如一般游标卡尺四、本体材质,301HY(不锈钢弹簧钢) 五、原厂校正仪器,可追塑M.I.S标准，（附原厂校正报告书）读值方式：技术参数：腾信精密仪器有限公司 的详细介绍
是依据圆周算法,进而发展为一轻便,易于携带之大型圆外径,量测器具.最小读数值可达到0.01mm,精度+/0.03mm(直径3600mm以内).读值方式,犹如一般游标卡尺!型号：PM2SS 测定范围：300600mm
美国PITAPE圆周尺（π尺、派尺、PI尺、PITAPE、圆周尺）
一、美国PITAPE圆周尺(圆周尺)是依据圆周算法,进而发展为一轻便,易于携带之大型圆外径,量测器具二、最小读值可达到0.01MM,精度±0.03MM(直径3600MM以内)
三、读音值方式,由如一般游标卡尺
四、本体材质,301HY(不锈钢弹簧钢)
五、原厂校正仪器,可追塑M.I.S标准，（附原厂校正报告书）读值方式： 技术参数：
美国PITAPE圆周尺 METRIC LIST
Vernier Width: 6.35mm Gage Member Width: 6.35mm Tape Thickness:0.25mm 15-50mm O.D. PM000 PM000SS ------ PM000WEZ
25 -100mm O.D. PM00 PM00SS ------ PM00WEZ
28 -200mm O.D. PM0 PM0SS PM0EZ PM0WEZ
28 -300mm O.D. PM02 PM02SS PM02EZ PM02WEZ
50 -300mm O.D. PM03 PM03SS PM03EZ PM03WEZ
100-300mm O.D. PM1 PM1SS PM1EZ PM1WEZ
50 -600mm O.D. PM1SP PM1SPSS PM1SPEZ PM1SPWEZ
300 -600mm O.D. PM2 PM2SS PM2EZ PM2WEZ
300 -900mm O.D. PM2SP PM2SPSS PM2SPEZ PM2SPWEZ
600 -900mm O.D. PM3 PM3SS PM3EZ PM3WEZ
600 -1200mm O.D. PM3SP PM3SPSS PM3SPEZ PM3SPWEZ
900 -1200mm O.D. PM4 PM4SS PM4EZ PM4WEZ
1200-1500mm O.D. PM5 PM5SS PM5EZ PM5WEZ
1500-1800mm O.D. PM6 PM6SS PM6EZ PM6WEZ
1800-2100mm O.D. PM7 PM7SS PM7EZ PM7WEZ
2100 -2400mm O.D. PM8 PM8SS PM8EZ PM8WEZ
2400 -2700mm O.D. PM9 PM9SS PM9EZ PM9WEZ
2700 -3000mm O.D. PM10 PM10SS PM10EZ PM10WEZ
3000 -3300mm O.D. PM11 PM11SS PM11EZ PM11WEZ
3300 -3600mm O.D. PM12 PM12SS PM12EZ PM12WEZ
检测认证人脉交流通讯录
