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Depth Micrometers
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SERIES
329, 229, 129 Interchangeable Rod Type
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FEATURES
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Ø4mm (.157
DIA.) interchangeable rods, with lapped measuring end, provide
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a wide measuring range.
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The rod length can be adjusted in 25mm (1) increments.
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With Ratchet Stop for consistent force.
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Crisp clear graduations on the thimble.
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The 329 series (LCD readout type) are provided with SPC output.
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The 229 series are provided with a mechanical digit
counter for quick and
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error-free reading.
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Complete with fitted carrying case.
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SPECIFICATIONS
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Accuracy
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Accuracy of micrometer head: +/-3µm (.00015)
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Excluding quantizing error. (329 series)
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Flatness of reference face:
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1.3 µm (.00005) for base with
63.5mm (2.5)
width
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2 µm (.00008) for base with
101.6mm (4)
width
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Flatness of measuring face of rod : 0.3 µm (.000012)
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Parallelism between reference face and measuring face:
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(4+L/50)
µm [(.00016+.00004 (L/2))]*
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* L=Maximum measuring length (mm)[(inch)], Fraction rounded up
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Accuracy of interchangeable rod:
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+/-(2+L/75) µm
[+/-(.0001+.00005 (L/3))]*
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* L= Maximum
measuring length (mm) [(inch)], Fraction rounded up
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Metric
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Range
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Order No.
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Graduation
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Dimensions of reference face
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Remarks
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0-50 mm
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129-109
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0.01 mm
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63.5x16
mm
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with 2
rods
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129-113
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0.01 mm
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101.6x16
mm
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with 2
rods
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0-75 mm
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129-110
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0.01 mm
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63.5x16 mm
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with 3 rods
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129-114
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0.01 mm
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101.6x16
mm
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with 3
rods
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0-100 mm
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129-111
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0.01 mm
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63.5x16
mm
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with 4
rods
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129-115
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0.01 mm
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101.6x16
mm
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with 4
rods
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0-150 mm
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129-112
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0.01 mm
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63.5x16
mm
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with 6
rods
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129-116
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0.01 mm
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101.6x16
mm
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with 6
rods
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