SPI 992-838-9 13-543-4 0.425-0.5in 0.00005in Micrometer Reading Unit
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This SPI 992-838-9 (item 38696290) is the electronic reading unit only for the SPI 13-543-4 electronic three-point internal micrometer, covering a 0.425-0.5 in measuring range with 0.00005 in resolution. The digital head has an LCD display with ON/OFF-SET and ABS/INC-UNIT buttons, an IP54 rating, a ratcheting thimble, and a threaded measuring stem. It is supplied new in a fitted wooden case with foam lining, with LR44 1.5V button cells and a small bag of accessories (appears to include a wrench), and is marked as made in China. Use it as a replacement or module for the 13-543-4 internal bore micrometer; the 13-543-4 is the compatible model printed on the label.
Product Specifications
| Brand | SPI |
| MPN | 992-838-9 |
| Item Number | 38696290 |
| Compatible Model | SPI 13-543-4 Micrometer |
| Measuring Range | 0.425-0.5 in |
| Resolution | 0.00005 in |
| Display Type | Digital LCD |
| Type | Electronic 3-Point Internal Micrometer Reading Unit |
| Number of Measuring Points | 3 |
| IP Rating | IP54 |
| Battery Type | LR44 1.5V Button Cell |
| Country of Origin | China |
| Case Material | Wood |
| Includes | Wooden case, 2 LR44 batteries, accessory bag |
| Unit Conversion | Inch/Metric selectable (UNIT button) |
| Measurement Modes | ABS/INC |