SPI 43109958 0.5-0.65in 0.00005in Electronic 3-Point Internal Micrometer
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This SPI 43109958 is an electronic three-point internal micrometer module (labeled "Module End, for Electronic 3-Point Mic, 0.5-0.65 in") with a measuring range of 0.5 to 0.65 in and a resolution of 0.00005 in. Three-point contact self-centers the head in a bore for bore diameter measurement. The digital LCD head has buttons marked SET, ABS/INC and UNIT for zeroing, switching between absolute and incremental readings, and changing units. The housing is marked IP54 and CE, and the unit is powered by LR44 1.5V button cells. This new unit ships in its SPI wooden storage case with two LR44 alkaline button cells and two spanner wrenches, plus a setting washer-style adjustment tool shown in the photos.
Product Specifications
| Brand | SPI |
| MPN | 43109958 |
| Measuring Range | 0.5-0.65 in |
| Resolution | 0.00005 in |
| Measuring Type | Internal, Three-Point |
| Display Type | Electronic Digital LCD |
| Unit System | Inch/Metric Switchable |
| Measurement Modes | ABS/INC |
| IP Rating | IP54 |
| Certifications | CE |
| Battery Type | LR44 1.5V Alkaline Button Cell |
| Number of Contact Points | 3 |
| Country of Origin | China |
| Includes | Wooden case, 2 LR44 batteries, 2 spanners, setting tool |
| Case Material | Wood |