Specification of Kennedy.125-150mm EXTERNAL MICROMETER
Enamelled frame and tungsten carbide tipped anvils. Manufactured to BS 870. Supplied in a durable plastic case. Accuracy: Flatness: 0.6mm. Parallelism: (2 + L/100) µm (fraction rounded down). Instrumental error: ±(1 + L/75) µm (fraction rounded up). L = maximum measuring length Metric
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