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Caliper type internal micrometer (343, 143 series)
Caliper type internal micrometer (343, 143 series)
Product details
Caliper type internal micrometer（343、143Series)
characteristic:
- The measuring surface has a hard alloy head
- The ratchet locking device can maintain a constant force measurement
- Equipped with a reference pole (excluding25mmtype
Measurement surface:
- Flatness:0.3um（.000012″）
- Parallelism：（3＋L/75）um[（.00012＋.00004（L/3））″]
performance parameter
Metric typeDigital display type
measuring range |
Item number |
number |
Resolution |
accuracy |
0-25mm |
343-250 |
OMP-25DM |
0.001mm |
±5um |
25-50mm |
343-251 |
0MP-50DM |
0.001mm |
±6um |
50-75mm |
343-252 |
OMP-75DM |
0.001mm |
±7um |
75-100mm |
343-253 |
OMP-100M |
0.001mm |
±8um |
Imperial system/Metric typeDigital display type
measuring range |
Item number |
number |
Resolution |
accuracy |
0-1" |
343-350 |
OMP-1"DM |
.00005"/0.001mm |
±.00025" |
1"-2" |
343-351 |
OMP-2"DM |
.00005"/0.001mm |
±.0003" |
2"-3" |
343-352 |
OMP-3"DM |
.00005"/0.001mm |
±.00035" |
3"-4" |
343-353 |
OMP-4"DM |
.00005"/0.001mm |
±.0004" |
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