Mitutoyo-SERIES 468 – Three-point Internal Micrometers-Digimatic Holtest

Mitutoyo Measuring Instruments

7 years ago

v Digimatic Holtest

Three-point internal micrometer with large LCD readout. (Character height 7.4mm)
Titanium-coated measuring pins provide excellent durability and impact resistance and allow the instrument to measure right to the bottom of a blind
One SR44 battery is required and battery life is 1.2 years under normal use.
ABSolute and INCremental measurement modes allow highly efficient
The IP65 protection rating allows the instrument to be used in the presence of splashing coolant.
Measurements can be made close to the bottom of a blind hole.
Deep holes can be measured by attaching an extension rod (optional).
A function lock prevents accidental change of reference point.
Measurement data output enables operation with Statistical Process Control (SPC) and measurement control Refer to page A-3.
An interface input tool is available for transferring measurement data, under keyboard control, directly to commercial spreadsheet Refer to page A-5.
Interchangeable-Head Sets (interchangeable measuring heads type) covering an extended measuring range using multiple heads and Non-interchangeable-Head Sets are
For Setting Rings, refer to page C-47.

Range (mm)	L₃ (mm)	L₄ (mm)	L₅ (mm)
6 – 12	2 or below	—	2.5
12 – 20	0.3 or below	5.6	3.5
20 – 30		8.3	5.2
30 – 50		13.0	10.0
50 – 100		17.0	14.0
100 – 300	12.4 or below	21.0	13.8

DIMENSIONS

Range	L₂	L₁
6-8, 8-10, 10-12mm	59	175 – 177
12-16, 16-20mm	84	197.5 – 201.5
20-25, 25-30mm	93	206.9 – 211.9
30-40, 40-50mm	103.8	214.7 – 224.7
50-63, 62-75, 75-88, 87-100mm	105.4	219.6 – 232.6
100-125, 125-150, 150-175, 175-200, 200-225, 225-250, 250-275, 275-300mm	151.4	286.3 – 311.3

L₂ is maximum depth of measurement
External view differs depending on measurement range.

inch/mm readout (inch/mm models) Automatic power ON/OFF Error alarm Data output

IP Codes
Level 6: Dust-proof.
Degree of protection against solid foreign objects. No ingress of dust allowed.
Level 5: Protected against water jets.
Degree of protection against water.
Water projected in jets against the enclosure from any direction shall have no harmful effects.

Technical Data
Display: LCD
Battery: SR44 (1 pc), 938882,
for initial operational checks (standard accessory) Battery life: Approx. 1.2 years under normal use
Scale type: Electromagnetic induction-type rotary encoder

Functions
Zero-setting
Origin restoration
Data hold
2- point Preset
Function lock (see illustration of lock symbol below)

Optional accessories
Refer to page A-21 for details.

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

SPECIFICATIONS

Metric

Order No.	Range	Resolution	Accuracy*1	Optional Accessories*2
Order No.	Range	Resolution	Accuracy*1	Extension rod	SPC cable
468-161	6 – 8mm	0.001mm	±2µm (within 2µm)	952322 (100mm)	05CZA662 (1m) 05CZA663 (2m)
468-162	8 – 10mm
468-163	10 – 12mm
468-164	12 – 16mm			952621 (150mm)
468-165	16 – 20mm			952621 (150mm)
468-166	20 – 25mm		±3µm (within 3µm)	952622 (150mm)
468-167	25 – 30mm
468-168	30 – 40mm
468-169	40 – 50mm
468-170	50 – 63mm			952623 (150mm)
468-171	62 – 75mm
468-172	75 – 88mm
468-173	87 – 100mm
468-174	100 – 125mm		±5µm (within 5µm)
468-175	125 – 150mm
468-176	150 – 175mm
468-177	175 – 200mm
468-178	200 – 225mm
468-179	225 – 250mm
468-180	250 – 275mm
468-181	275 – 300mm

*1 Excluding quantizing error.

Accuracy: values measured with the entire measuring face.

Maximum difference: differences between the maximum and minimum values.

*2 Setting ring and extension rod: optional.

* It is not advisable to use measuring heads other than as supplied as a standard accessory, or widen a measuring range by using any other multiple sub-measuring heads. (The measuring accuracy in such cases is not guaranteed.)

Inch/Metric

Order No.	Range	Resolution	Accuracy*1	Optional Accessories*2
Order No.	Range	Resolution	Accuracy*1	Extension rod	SPC cable
468-261	.275″ – .35″	.00005″/ 0.001mm	±.0001″ (within .0001″)	952322 (100mm)	05CZA662 (1m) 05CZA663 (2m)
468-262	.35″ – .425″
468-263	.425″ – .5″
468-264	.5″ – .65″			952621 (150mm)
468-265	.65″ – .8″			952621 (150mm)
468-266	.8″ – 1″		±.00015″ (within .00015″)	952622 (150mm)
468-267	1″ – 1.2″
468-268	1.2″ – 1.6″
468-269	1.6″ – 2″
468-270	2″ – 2.5″			952623 (150mm)
468-271	2.5″ – 3″
468-272	3″ – 3.5″
468-273	3.5″ – 4″
468-274	4″ – 5″	.0001″/ 0.001mm	±.00025″ (within .00025″)
468-275	5″ – 6″
468-276	6″ – 7″
468-277	7″ – 8″
468-278	8″ – 9″
468-279	9″ – 10″
468-280	10″ – 11″
468-281	11″ – 12″

*1 Excluding quantizing error.

Accuracy: values measured across the entire measuring face.

Maximum difference: differences between the maximum and minimum values.

*2 Setting ring and extension rod: optional.

Optional accessories

For details of Special-order Products, refer to page C-49.

Interchangeable-Head Sets

Metric

Set Order No.	Range*	Content of set	Accessories (optional)
468-971	6 – 12mm	Display unit 6 – 12mm 1 pc Measuring head 6 – 8mm 1 pc 8 – 10mm 1 pc 10 – 12mm 1 pc Setting ring (ø8, ø10) 1 pc each Extension rod (100mm) 1 pc Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc
468-972	12 – 20mm	Display unit 12 – 20mm 1 pc Measuring head 12 – 16mm 1 pc 16 – 20mm 1 pc Setting ring (ø16) 1 pc Extension rod (150mm) 1 pc Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc
468-973	20 – 50mm	Display unit 20 – 50mm 1 pc Measuring head 20 – 25mm 1 pc 25 – 30mm 1 pc 30 – 40mm 1 pc 40 – 50mm 1 pc Setting ring (ø25, ø40) 1 pc each Extension rod (150mm) 1 pc Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc	SPC cable with data switch 05CZA662 (1m)
		05CZA663 (2m)
468-974	50 – 100mm	Display unit 50 – 100mm 1 pc Measuring head 50 – 63mm 1 pc 62 – 75mm 1 pc 75 – 88mm 1 pc 87 – 100mm 1 pc Setting ring (ø62, ø87) 1 pc each Extension rod (150mm) 1 pc Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc
468-975	100 – 200mm	Display unit 100 – 200mm 1 pc Measuring head 100 – 125mm 1 pc 125 – 150mm 1 pc 150 – 175mm 1 pc 175 – 200mm 1 pc Setting ring (ø125, ø175) 1 pc each Extension rod (150mm) 1 pc Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc

Set Order No.

Range*

Content of set

Accessories (optional)

468-971

6 – 12mm

Display unit

6 – 12mm 1 pc

Measuring head

6 – 8mm 1 pc

8 – 10mm 1 pc

10 – 12mm 1 pc

Setting ring (ø8, ø10) 1 pc each Extension rod (100mm) 1 pc Spanner 2 pcs

Hex wrench 1 pc

Phillips screw driver 1 pc

468-972

12 – 20mm

Display unit

12 – 20mm 1 pc

Measuring head

12 – 16mm 1 pc

16 – 20mm 1 pc

Setting ring (ø16) 1 pc Extension rod (150mm) 1 pc Spanner 2 pcs

Hex wrench 1 pc

Phillips screw driver 1 pc

468-973

20 – 50mm

Display unit

20 – 50mm 1 pc

Measuring head

20 – 25mm 1 pc

25 – 30mm 1 pc

30 – 40mm 1 pc

40 – 50mm 1 pc

Setting ring (ø25, ø40) 1 pc each Extension rod (150mm) 1 pc Spanner 2 pcs

Hex wrench 1 pc

Phillips screw driver 1 pc

SPC cable with data switch

05CZA662

(1m)

05CZA663

(2m)

468-974

50 – 100mm

Display unit

50 – 100mm 1 pc Measuring head

50 – 63mm 1 pc

62 – 75mm 1 pc

75 – 88mm 1 pc

87 – 100mm 1 pc Setting ring (ø62, ø87) 1 pc each Extension rod (150mm) 1 pc Spanner 2 pcs

Hex wrench 1 pc

Phillips screw driver 1 pc

468-975

100 – 200mm

Display unit

100 – 200mm 1 pc Measuring head

100 – 125mm 1 pc

125 – 150mm 1 pc

150 – 175mm 1 pc

175 – 200mm 1 pc Setting ring (ø125, ø175) 1 pc each Extension rod (150mm) 1 pc Spanner 2 pcs

Hex wrench 1 pc

Phillips screw driver 1 pc

Inch/Metric

Set Order No.	Range*	Content of set	Accessories (optional)
468-976	.275-.5″	Display unit .275-.5″ Measuring head .275-.35″ .35-.425″ .425-.5″ Setting ring (.35″DIA., .425″DIA.) Extension rod (100mm) Spanner Hex wrench Phillips screw driver	1 pc 1 pc 1 pc 1 pc 1 pc each 1 pc 2 pcs 1 pc 1 pc
468-977	.5-.8″	Display unit .5-.8″ Measuring head .5-.65″ .65-.8″ Setting ring (.65″DIA.) Extension rod (150mm) Spanner Hex wrench Phillips screw driver	1 pc 1 pc 1 pc 1 pc 1 pc 2 pcs 1 pc 1 pc
468-978	.8-2″	Display unit .8-2″ Measuring head .8-1″ 1-1.2″ 1.2-1.6″ 1.6-2″ Setting ring (1″DIA., 1.6″DIA.) Extension rod (150mm) Spanner Hex wrench Phillips screw driver	1 pc 1 pc 1 pc 1 pc 1 pc 1 pc each 1 pc 2 pcs 1 pc 1 pc	SPC cable with data switch 05CZA662 (1m)
		05CZA663 (2m)
468-979	2-4″	Display unit 2-4″ Measuring head 2-2.5″ 2.5-3″ 3-3.5″ 3.5-4″ Setting ring (2.5″DIA., 3.5″DIA.) Extension rod (150mm) Spanner Hex wrench Phillips screw driver	1 pc 1 pc 1 pc 1 pc 1 pc 1 pc each 1 pc 2 pcs 1 pc 1 pc
468-980	4-8″	Display unit 4-8″ 1 pc Measuring head 4-5″ 1 pc 5-6″ 1 pc 6-7″ 1 pc 7-8″ 1 pc Setting ring (5″DIA., 7″DIA.) 1 pc each Extension rod (150mm) 1 pc Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc

Set Order No.

Range*

Content of set

Accessories (optional)

468-976

.275-.5″

Display unit

.275-.5″

Measuring head

.275-.35″

.35-.425″

.425-.5″

Setting ring (.35″DIA., .425″DIA.)

Extension rod (100mm) Spanner

Hex wrench

Phillips screw driver

1 pc

1 pc each

1 pc

2 pcs

1 pc

468-977

.5-.8″

Display unit

.5-.8″

Measuring head

.5-.65″

.65-.8″

Setting ring (.65″DIA.) Extension rod (150mm) Spanner

Hex wrench

Phillips screw driver

1 pc

2 pcs

1 pc

468-978

.8-2″

Display unit

.8-2″

Measuring head

.8-1″

1-1.2″

1.2-1.6″

1.6-2″

Setting ring (1″DIA., 1.6″DIA.)

Extension rod (150mm) Spanner

Hex wrench

Phillips screw driver

1 pc

1 pc each

1 pc

2 pcs

1 pc

SPC cable with data switch

05CZA662

(1m)

05CZA663

(2m)

468-979

2-4″

Display unit 2-4″

Measuring head 2-2.5″

2.5-3″

3-3.5″

3.5-4″

Setting ring (2.5″DIA., 3.5″DIA.)

Extension rod (150mm) Spanner

Hex wrench

Phillips screw driver

1 pc

1 pc each

1 pc

2 pcs

1 pc

468-980

4-8″

Display unit

4-8″ 1 pc

Measuring head

4-5″ 1 pc

5-6″ 1 pc

6-7″ 1 pc

7-8″ 1 pc

Setting ring (5″DIA., 7″DIA.) 1 pc each Extension rod (150mm) 1 pc Spanner 2 pcs

Hex wrench 1 pc

Phillips screw driver 1 pc

Optional accessories
Refer to page A-21 for details.
USB Input Tool Direct (2m): 06ADV380B Connecting cables for U-WAVE-T For standard (160mm): 02AZD790B For foot switch: 02AZE140B

Non-Interchangeable-Head Sets

Metric

Set Order No.	Range*2	Content of set	Accessories (optional)
Extension rod	SPC cable
468-981	6 – 12mm	Display unit 6 – 8mm 1 pc 8 – 10mm 1 pc 10 – 12mm 1 pc Setting ring (ø8, ø10) 1 pc each Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc	100mm 1 pc
468-982	12 – 25mm	Display unit 12 – 16mm 1 pc 16 – 20mm 1 pc 20 – 25mm 1 pc Setting ring (ø16, ø20) 1 pc each Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc	150mm 2 pcs*1
			SPC cable with data switch
		Display unit 25 – 30mm 1 pc 30 – 40mm 1 pc 40 – 50mm 1 pc Setting ring (ø30, ø40) 1 pc each Spanner 1 pc Hex wrench 1 pc Phillips screw driver 1 pc
468-983	25 – 50mm	150mm 1 pc	05CZA662 (1m)
			05CZA663 (2m)
468-984	50 – 75mm	Display unit 50 – 63mm 62 – 75mm Setting ring (ø62) Spanner Hex wrench Phillips screw driver	1 pc 1 pc 1 pc 1 pc 1 pc 1 pc	150mm 1 pc
468-985	75 – 100mm	Display unit 75 – 88mm 87 – 100mm Setting ring (ø87) Spanner Hex wrench Phillips screw driver	1 pc 1 pc 1 pc 1 pc 1 pc 1 pc	150mm 1 pc

Set Order No.

Range*2

Content of set

Accessories (optional)

Extension rod

SPC cable

468-981

6 – 12mm

Display unit

6 – 8mm 1 pc

8 – 10mm 1 pc

10 – 12mm 1 pc Setting ring (ø8, ø10) 1 pc each Spanner 2 pcs

Hex wrench 1 pc

Phillips screw driver 1 pc

100mm 1 pc

468-982

12 – 25mm

Display unit

12 – 16mm 1 pc

16 – 20mm 1 pc

20 – 25mm 1 pc Setting ring (ø16, ø20) 1 pc each Spanner 2 pcs

Hex wrench 1 pc

Phillips screw driver 1 pc

150mm 2 pcs*1

SPC cable with data switch

Display unit

25 – 30mm 1 pc

30 – 40mm 1 pc

40 – 50mm 1 pc Setting ring (ø30, ø40) 1 pc each Spanner 1 pc

Hex wrench 1 pc

Phillips screw driver 1 pc

468-983

25 – 50mm

150mm 1 pc

05CZA662

(1m)

05CZA663

(2m)

468-984

50 – 75mm

Display unit 50 – 63mm

62 – 75mm

Setting ring (ø62) Spanner

Hex wrench

Phillips screw driver

1 pc

150mm 1 pc

468-985

75 – 100mm

Display unit 75 – 88mm

87 – 100mm

Setting ring (ø87) Spanner

Hex wrench

Phillips screw driver

1 pc

150mm 1 pc

Inch/Metric

Set Order No.	Range*2	Content of set	Accessories (optional)
Set Order No.	Range*2	Content of set	Extension rod	SPC cable
468-986	.275″-.5″	Display unit .275-.35″ 1 pc .35-.425″ 1 pc .425-.5″ 1 pc Setting ring 1 pc each (.35″DIA., .425″DIA) Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc	100mm 1 pc
468-987	.5″-1″	Display unit .5-.65″ 1 pc .65-.8″ 1 pc .8-1″ 1 pc Setting ring 1 pc each (.65″DIA., .8″DIA) Spanner 2 pcs Hex wrench 1 pc Phillips screw driver 1 pc	150mm 2 pcs*1
				SPC cable with
				data switch
		Display unit 1-1.2″ 1 pc 1.2-1.6″ 1 pc 1.6-2″ 1 pc Setting ring 1 pc each (1.2″DIA., 1.6″DIA) Spanner 1 pc Hex wrench 1 pc Phillips screw driver 1 pc		data switch
				05CZA662
468-988	1″-2″		150mm 1 pc	(1m)
				05CZA663
				(2m)
468-989	2″-3″	Display unit 2-2.5″ 1 pc 2.5-3″ 1 pc Setting ring (2.5″ DIA) 1 pc Spanner 1 pc Hex wrench 1 pc Phillips screw driver 1 pc	150mm 1 pc
468-990	3″-4″	Display unit 3-3.5″ 1 pc 3.5-4″ 1 pc Setting ring (3.5″ DIA) 1 pc Spanner 1 pc Hex wrench 1 pc Phillips screw driver 1 pc	150mm 1 pc

*1 Total 2 pcs of extension rods: 1 pcs of Part No. 952621 (for measuring range 12 to 16mm, 16 to 20mm) and Part No. 952622 (for measuring range 20 to 25mm).

Two extension rods cannot be connected due to the different mounting positions.

*2 It is not advisable to use measuring heads other than as supplied as a standard accessory, or widen a measuring range by using any other multiple sub-measuring heads. (The measurement accuracy in such cases is not guaranteed.)