MITUTOYO SERIES 143 CALIPER TYPE MICROMETER

Code:

▪Effective for measuring workpiece features where access is difficult.
▪Measuring faces: Carbide tipped
▪Equipped with Ratchet Stop for constant measuring force.

Click to Expand

MITUTOYO SERIES 143 CALIPER TYPE MICROMETER

Product Overview

The Mitutoyo Series 143 Caliper Type Micrometer is an analog measuring instrument designed specifically for measuring workpiece features where access is difficult. Equipped with a ratchet stop for constant measuring force and carbide-tipped measuring faces, this tool is available in both metric and inch models covering measuring ranges up to 300 mm / 3 in.

Key Features & Capabilities

Effective for measuring workpiece features where access is difficult
Carbide-tipped measuring faces
Equipped with a Ratchet Stop for constant measuring force
Standard accessories include a setting standard (1 pc., except for 0-25 mm / 0-1 in models) and a spanner (Code No. 301336, 1 pc.)

Technical Specifications

Metric Models

Code No.	Range (mm)	Graduation (mm)	Maximum Permissible Error $JMPE$ ($\mu m$)	Flatness ($\mu m$)	Parallelism ($\mu m$)
143-101	0 – 25	0.01	±5	0.03	3
143-102	25 – 50	0.01	±6	0.03	3
143-103	50 – 75	0.01	±7	0.03	3
143-104	75 – 100	0.01	±8	0.03	4
143-105	100 – 125	0.01	±9	0.03	4
143-106	125 – 150	0.01	±9	0.03	4
143-107	150 – 175	0.01	±10	0.03	5
143-108	175 – 200	0.01	±10	0.03	5
143-109	200 – 225	0.01	±11	0.03	6
143-110	225 – 250	0.01	±11	0.03	6
143-111	250 – 275	0.01	±12	0.03	7
143-112	275 – 300	0.01	±12	0.03	7

Inch / Metric Models

Code No.	Range (in)	Graduation (in)	Maximum Permissible Error $JMPE$ (in)	Flatness (in)	Parallelism (in)
143-121	0 – 1	0.001	±0.00025	0.000012	0.000012
143-122	1 – 2	0.001	±0.0003	0.000012	0.000012
143-123	2 – 3	0.001	±0.00035	0.000012	0.000012

Dimensions Table (Analog, Unit: mm)

Range (mm)	L	a	b	C
0 – 25	0	20.8	10.6	28.6
25 – 50	25	20.8	10.6	28.6
50 – 75	50	20.8	10.6	28.6
75 – 100	75	20.8	10.6	28.6
100 – 125	100	20.8	10.6	28.6
125 – 150	125	20.8	10.6	28.6
150 – 175	150	20.8	10.6	28.6
175 – 200	175	20.8	10.6	28.6
200 – 225	200	16.3	15	32.5
225 – 250	225	16.3	15	32.5
250 – 275	250	16.3	15	32.5
275 – 300	275	16.3	15	32.5