QuantuMike Series 293-Coolant Proof Micrometer
Series 293
FEATURES
▶ Faster measurement with 2mm per rev. instead of the standard 0.5
▶ A patented ratchet thimble mechanism helps ensure repeatability
▶ A function lock helps prevent error IP-65 protection level
▶ Certificate of inspection is provided.
▶ With a standard bar except for 0-25mm/0-1″ model
▶ Supplied in fitted plastic case.
| Order No | Image | Range | Resolution | Accuracy |
| 293-180-30 |  | 0-1in | .00005in 0.001mm | .00005in |
| 293-181-30 |  | 1-2in | .00005in 0.001mm | .00005in |
| 293-182-30 |  | 2-3in | .00005in 0.001mm | .0001in |
| 293-183-30 |  | 3-4in | .00005in 0.001mm | .0001in |
| 293-185-30* |  | 0-1in | .00005in 0.001mm | .00005in |
| 293-186-30* |  | 1-2in | .00005in 0.001mm | .00005in |
| 293-187-30* |  | 2-3in | .00005in 0.001mm | .0001in |
| 293-188-30* |  | 3-4in | .00005in 0.001mm | .0001in |
| Order No | Image | Range | Resolution | Accuracy |
| 293-140-30 |  | 0-25mm | 0.001mm | 1µm |
| 293-141-30 |  | 25-50mm | 0.001mm | 1µm |
| 293-142-30 |  | 50-75mm | 0.001mm | 2µm |
| 293-143-30 | – | 75-100mm | 0.001mm | 2µm |
| 293-145-30* |  | 0-25mm | 0.001mm | 1µm |
| 293-146-30* |  | 25-50mm | 0.001mm | 1µm |
| 293-147-30 | – | 50-75mm | 0.001mm | 2µm |
| 293-148-30* | – | 75-100mm | 0.001mm | 2µm |
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