MITUTOYO SERIES 223,123 DISC MICROMETER

Measures “root tangent length” of spur gears and helical gears.
Determination of the root tangent length: refer to “Quick Guide to Precision Measuring Instruments”.
Equipped with Ratchet Stop for constant measuring force.

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Metric

Code No.	Range (mm)	Resolution (mm)	Maximum permissible error JMPE (μm)	Flatness (μm)	Parallelism (μm)	Anvil dia. (mm)	Measurable module
Mechanical counter Model
223-101	0 – 25	0.01	±4	1	4	Ø20	0.5 – 6
223-102	25 – 50	0.01	±4	1	4	Ø20	0.5 – 6
Analog
123-101	0 – 25	0.01	±4	1	4	Ø20	0.5 – 6
123-113*	0 – 25
123-102	25 – 50
123-114*	25 – 50
123-103	50 – 75		±6		6
123-115*	50 – 75
123-104	75 – 100
123-116*	75 – 100
123-105	100 – 125		±7	6	7	Ø30	0.7 – 11
123-106	125 – 150		±7		7
123-107	150 – 175		±8		8
123-108	175 – 200
123-109	200 – 225
123-110	225 – 250		±9		9
123-111	250 – 275
123-112	275 – 300

Inch

Code No.	Range (in)	Resolution (mm)	Maximum permissible error JMPE (in)	Flatness (in)	Parallelism (in)	Anvil dia. (in)	Measurable module
Mechanical counter Model
223-125	0 – 25	0.001	±0.0002	0.00004	4	Ø0.787	0.5 – 6
Analog
12-125	0 – 1	0.001	±0.0002	0.00004	0.0002	Ø0.787	0.5 – 6
12-126	1 – 2		±0.0002		0.0002
12-127	2 – 3		±0.0003		0.0003
12-128	3 – 4		±0.0003		0.0003

Can be used for making root tangent measurements on spur gears and helical gears.
Determination of the root tangent length : refer to “Quick Guide to Precision Measuring Instruments”
Equipped with ratchet stop for consant measuring force.