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MAHR Micromar 844 A Self-centering inside measuring pistol

Threaded connection for changing the measuring head
Self-centering measuring head consists of 3 laterally positioned anvils, each are offset at intervals of 120°
Anvils from 12 mm are carbide tipped
From 12 mm the anvils can be used to measure the bottom of a bore
From 40 mm all measuring heads are made from aluminium to reduce weight
Measuring value indication is always easy to read when using an electronic dial indicator with a rotatable display
excludes indicator
basic units 844 Ag
measuring head 44 Ak
instruction manual
case

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Description Iespējas Specifikācija Video

Micromar 844 A Self-centering inside measuring pistol

Technical data

Order no.	Measuring range mm	Measuring range inch	Error limit µm	Notes error limit
4487700	6 – 8	.25 – .3125″	3 µm	Over the full length of the anvils Indicator is not taken into consideration
4487701	8 – 10	.3125 – .4″	3 µm	Over the full length of the anvils Indicator is not taken into consideration
4487702	10 – 12	.4 – .4725″	3 µm	Over the full length of the anvils Indicator is not taken into consideration
4487703	12 – 16	.4725 – .625″	3 µm	Over the full length of the anvils Indicator is not taken into consideration
4487704	16 – 20	.625 – .775″	3 µm	Over the full length of the anvils Indicator is not taken into consideration
4487705	20 – 25	.775 – 1″	3 µm	Over the full length of the anvils Indicator is not taken into consideration
4487706	25 – 30	1 – 1.2″	3 µm	Over the full length of the anvils Indicator is not taken into consideration
4487707	30 – 40	1.2 – 1.6″	3 µm	Over the full length of the anvils Indicator is not taken into consideration
4487709	40 – 50	1.6 – 2″	3 µm	Over the full length of the anvils Indicator is not taken into consideration
4487710	50 – 60	2 – 2.35″	4 µm	Over the full length of the anvils Indicator is not taken into consideration
4487711	60 – 70	2.35 – 2.75″	4 µm	Over the full length of the anvils Indicator is not taken into consideration
4487612	70 – 85	2.75 – 3.35″	4 µm	Over the full length of the anvils Indicator is not taken into consideration
4487613	85 – 100	3.35 – 4″	4 µm	Over the full length of the anvils Indicator is not taken into consideration
4487614	100 – 125	4 – 4.9″	5 µm	Over the full length of the anvils Indicator is not taken into consideration
4487615	125 – 150	4.9 – 5.9″	5 µm	Over the full length of the anvils Indicator is not taken into consideration
4487616	150 – 175	5.9 – 6.9″	6 µm	Over the full length of the anvils Indicator is not taken into consideration
4487617	175 – 200	6.9 – 7.9″	6 µm	Over the full length of the anvils Indicator is not taken into consideration

Applications

For measuring:

through holes
blind holes
centering shoulders