Order 4484075 by Mahr Marameter 844 DS Indicating Plug Gage, 20 - 30 mm Range

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Model for blind holes

Features:

Measuring probe made of hardened, stainless guide cylinder and carbide tipped probes
Carbide driving needle transfers radial measuring movement to the display unit
Constant measuring force as a result of built-in spring, eliminating user influence
Measuring head, measuring instrument holder, depth extensions, right angle attachments and depth stops form a comprehensive modular system

Applications:

For measurements close to the base of the hole
For the rapid testing of diameter, roundness and conicity of bores
Especially suitable for testing batches with tight tolerance zones 10 µm and more
Rocking in the bore is not required to determine diameter
Ideal for use in conjunction with digital display units and for subsequent processing of measured values

We aim to show you accurate product information. Here you will find what the manufacturers have provided us with. See our disclaimer.

Technical Details

Product Type	844 DS
Measuring Range (mm)	>20-30
Measuring Span (mm)	0.2
Manufacturing Tolerance (mm/mm)	-0.02 / -0.03
Linearity Deviation f_e	1.5 %, min. 1 µm
Repeatability f_w(µm)	1
Connection Thread	M10x1
a (mm)	15
b (mm)	38.2
c (mm)	20
e (mm)	1.2

Notes

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Product Type	844 DS
Measuring Range (mm)	>20-30
Measuring Span (mm)	0.2
Manufacturing Tolerance (mm/mm)	-0.02 / -0.03
Linearity Deviation f_e	1.5 %, min. 1 µm
Repeatability f_w(µm)	1
Connection Thread	M10x1
a (mm)	15
b (mm)	38.2
c (mm)	20
e (mm)	1.2

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