详细说明
Holtest(368系列-三点式内径千分尺）
通用型自调的Holtest可进行精确,高效的内径测量.3个测贴以120度间隔均匀分布,紧贴孔内壁以确定内孔轴线的确切位置,实现精确的内径测量.
特点:
测量面带有硬质合金头的测针（测砧）十分耐用
可贴近盲孔底端进行测量
延长杆（选件）可用于测量深孔，此功能适于6mm以上型
棘轮锁定装置可保持恒定测力
校正环规（选件）可用于原点设置
性能参数
英制型 单体
| 测量范围 | 货号 | 分辩率 | 精度 | 尺寸h | 尺寸L | 延长杆(选件) |
| .08"-.1" | 368-021 | .0001" | .0001" | —— | .47" | —— |
| .1"-.12" | 368-022 | .0001" | .0001" | —— | .47" | —— |
| .12"-.16" | 368-023 | .0001" | .0001" | —— | .87" | —— |
| .16"-.2" | 368-024 | .0001" | .0001" | —— | .87" | —— |
| .2"-.24" | 368-025 | .0001" | .0001" | —— | .87" | —— |
| .24"-.28" | 368-026 | .0001" | .0001" | —— | .87" | —— |
| .275"-.35" | 368-201 | .0001" | .0001" | .079" | 2.32" | 4"(952322) |
| .35"-.425" | 368-202 | .0001" | .0001" | .079" | 2.32" | 4"(952322) |
| .425"-.5" | 368-203 | .0001" | .0001" | .079" | 2.32" | 4"(952322) |
| .5"-.65" | 368-264 | .0002" | .0001" | .012" | 3.15" | 6"(952621) |
| .65"-.8" | 368-265 | .0002" | .0001" | .012" | 3.15" | 6"(952621) |
| .8"-1" | 368-266 | .0002" | .00015" | .012" | 3.54" | 6"(952622) |
| 1"-1.2" | 368-267 | .0002" | .00015" | .012" | 3.54" | 6"(952622) |
| 1.2"-1.6" | 368-268 | .0002" | .00015" | .012" | 3.86" | 6"(952623) |
| 1.6"-2" | 368-269 | .0002" | .00015" | .012" | 3.86" | 6"(952623) |
| 2"-2.5" | 368-270 | .0002" | .00015" | .012" | 4.13" | 6"(952623) |
| 2.5"-3" | 368-271 | .0002" | .00015" | .012" | 4.13" | 6"(952623) |
| 3"-3.5" | 368-272 | .0002" | .00015" | .012" | 4.13" | 6"(952623) |
| 3.5"-4" | 368-273 | .0002" | .00015" | .012" | 4.13" | 6"(952623) |
| 4"-5" | 368-274 | .0002" | .0002" | .51" | 6.22" | 6"(952623) |
| 5"-6" | 368-275 | .0002" | .0002" | .51" | 6.22" | 6"(952623) |
| 6"-7" | 368-276 | .0002" | .0002" | .51" | 6.22" | 6"(952623) |
| 7"-8" | 368-277 | .0002" | .0002" | .51" | 6.22" | 6"(952623) |
| 8"-9" | 368-278 | .0002" | .0002" | .51" | 6.22" | 6"(952623) |
| 9"-10" | 368-279 | .0002" | .0002" | .51" | 6.22" | 6"(952623) |
| 10"-11" | 368-280 | .0002" | .0002" | .51" | 6.22" | 6"(952623) |
| 11"-12" | 368-281 | .0002" | .0002" | .51" | 6.22" | 6"(952623) |