• Carbide measuring faces.
  • Equipped with a constant measuring-force device.
  • Setting ring (nominal size below 300mm), CERA Inside Micro Checker (more than 50mm), and Gauge Block accessory set are provided as a reference gage for datum adjustment (refer to page C-47, C-26, and E-17 – E20 for details).

Caliper Type Inside Micrometers

SPECIFICATIONS

Metric

Order No. Range Resolution Accuracy* Mass
Digimatic (LCD)
345-250-30 5 – 30mm 0.001mm ±5µm 320g
345-251-30 25 – 50mm ±6µm 325g

* Excluding quantizing error

Inch/Metric

Order No. Range Resolution Accuracy* Mass
Digimatic (LCD)
345-350-30 .2″ – 1.2″ .00005″/ 0.001mm ±.00025″ 320g
345-351-30 1″ – 2″ ±.0003″ 325g

* Excluding quantizing error

Metric

Order No. Range Graduaton Accuracy Mass
Analog
145-185 5 – 30mm

 

 

 

 

 

0.01mm

±5µm 130g
145-186 25 – 50mm ±6µm 140g
145-187 50 – 75mm ±7µm 160g
145-188 75 – 100mm ±8µm 180g
145-189 100 – 125mm ±9µm 210g
145-190 125 – 150mm 230g
145-191 150 – 175mm ±10µm 250g
145-192 175 – 200mm 270g
145-217 200 – 225mm ±11µm 310g
145-218 225 – 250mm 330g
145-219 250 – 275mm ±12µm 350g
145-220 275 – 300mm 370g

Inch

Order No. Range Graduaton Accuracy Mass
Analog
145-193 .2″ – 1.2″

 

.001″

±.00025″ 130g
145-194 1″ – 2″ ±.0003″ 140g
145-195 2″ – 3″ ±.00035″ 160g
145-196 3″ – 4″ ±.0004″ 180g

DIMENSIONS

Caliper Type Inside Micrometers

Caliper Type Inside Micrometers

Battery and scale type

(for 345-250-30/251-30/350-30/351-30)
SR44 (1 pc), 938882, for initial operational checks (standard accessory)
Battery life: Approx. 2.4 years under normal use
Scale type: Electromagnetic induction-type rotary encoder

Optional accessories

Refer to page A-21 for details Connecting cables for Input Tool/ Digimatic Mini-Processor, etc.
1m: 05CZA662
2m: 05CZA663

USB Input Tool Direct (2m): 06ADV380B
Connecting cables  for U-WAVE-T For standard (160mm): 02AZD790B
For foot switch: 02AZE140B