Internal Dial Caliper

Internal dial calipers are suited for measuring bores,internal groove,and other hard-to-reach inside dimension.The data of Max. and Min. can be remembered ,or the displaying data can be held,the tolerance can be set.

  • Inside dial caliper for measuring bores, internal grooves, and hard-to-reach dimensions
  • ±170° rotating dial for angled measurements
  • Retains origin data after battery change (absolute measurement)
  • Automatic switching between digital and analog LCD display
  • Analog display range: ±20 graduations
  • Digital resolution: 0.005mm (Metric) / 0.0002" (Inch)
  • Analog resolution options:
  • - Metric: 0.01mm, 0.02mm, 0.05mm
  • - Inch: 0.0005", 0.001", 0.002"
Internal dial caliper Type-A
Inside dial caliper picture
Inside dial caliper picture
Inside dial caliper picture
Internal dial calipers
Range Accuracy L S H R(Jaw-A) D(Jaw-B)
Travel 10mm
5-15mm / 0.2-0.6"0.02mm20mm1.0mm1.5mm0.3mm/
10-20mm / 0.4-0.8"0.02mm25mm1.5mm3.0mm0.3mmØ1.5mm
20-30mm / 0.8-1.2"0.02mm30mm2.0mm6.5mm0.5mmØ1.5mm
30-40mm / 1.2-1.6"0.02mm30mm2.5mm9.0mm0.5mmØ1.5mm
40-50mm / 1.6-2"0.02mm30mm2.5mm9.0mm0.5mmØ1.5mm
Travel 20mm
5-25mm / 0.2-1"0.03mm35mm1.0mm1.5mm0.3mm/
10-30mm / 0.4-1.2"0.03mm55mm2mm3.5mm0.5mmØ1.5mm
20-40mm / 0.8-1.6"0.03mm80mm3mm6.5mm0.5mmØ1.5mm
30-50mm /1.2-2"0.03mm80mm3mm8.5mm0.5mmØ1.5mm
40-60mm / 1.6-2.4"0.03mm80mm3mm8.5mm0.5mmØ1.5mm
Note: 1.For Jaw-B,range 5-15mm/0.2-0.6" and 5-25mm/0.2-1" is none; 2.Jaw-A and Jaw-B is optional.