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Measurement applications
Depth measurements aided by easy to read mechanical counter
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Series 229 Imperial models
| Range | No. | Base Size | Graduation | Price | | | 0-4" | 229-127 | 2.5 x 0.63" | 0.001" | £190.00 | | | 0-6" | 229-132 | 4 x 0.63" | 0.001" | £212.00 | |
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Features
• Mechanical Digital counter
• 2 base sizes available
• Ratchet performs uniform and consistent readings
• Clear graduations on satin chrome finish
• Spindle lock |
Accuracy
Micrometer Head ± 0.00015
Measuring Faces
Flatness - (reference face/bottom face of base) 2.5" base (0.00005"), 4" base (0.00008")
Flatness (measuring face of rod) 0.000012"
Parallelism between reference face and measuring face (0.00016 + .00004" (L/2))" (fraction rounded up)
Zero point error of rod ± (.0001 + .00005(L/3))" (fraction rounded up)
L=maximum measuring length |
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