MAHR Micromar 44 EWR Digital self-centering inside micrometer

MAHR Micromar 44 EWR Digital self-centering inside micrometer

  • 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
  • Digimatic
  • Opto RS-232C
  • USB
  • Battery life approx. 2 years
  • IP 52
  • basic units 44 EWg
  • measuring head 44 Ak
  • instruction manual
  • batterycase

8.5 mm

Micromar 44 EWR Digital self centering inside micrometer

 

Technical data

Order no.Measuring range mmMeasuring range inchResolution mm/inchError limit µmNotes error limit
4191120

6 - 8

.25 - .3125"

0.001 / .00005"

4 µm

over the full length of the anvils
4191121

8 - 10

.3125 - .4"

0.001 / .00005"

4 µm

over the full length of the anvils
4191122

10 - 12

.4 - .4725"

0.001 / .00005"

4 µm

over the full length of the anvils
4191123

12 - 16

.4725 - .625"

0.001 / .00005"

4 µm

over the full length of the anvils
4191124

16 - 20

.625 - .775"

0.001 / .00005"

4 µm

over the full length of the anvils
4191125

20 - 25

.775 - 1"

0.001 / .00005"

4 µm

over the full length of the anvils
4191126

25 - 30

1 - 1.2"

0.001 / .00005"

4 µm

over the full length of the anvils
4191127

30 - 40

1.2 - 1.6"

0.001 / .00005"

4 µm

over the full length of the anvils
4191129

40 - 50

1.6 - 2"

0.001 / .00005"

4 µm

over the full length of the anvils
4191130

50 - 60

2 - 2.35"

0.001 / .00005"

5 µm

over the full length of the anvils
4191131

60 - 70

2.35 - 2.75"

0.001 / .00005"

5 µm

over the full length of the anvils
4191032

70 - 85

2.75 - 3.35"

0.001 / .00005"

5 µm

over the full length of the anvils
4191033

85 - 100

3.35 - 4"

0.001 / .00005"

5 µm

over the full length of the anvils
4191034

100 - 125

4 - 4.9"

0.001 / .00005"

6 µm

over the full length of the anvils
4191035

125 - 150

4.9 - 5.9"

0.001 / .00005"

6 µm

over the full length of the anvils
4191036

150 - 175

5.9 - 6.9"

0.001 / .00005"

7 µm

over the full length of the anvils
4191037

175 - 200

6.9 - 7.9"

0.001 / .00005"

7 µm

over the full length of the anvils

 

Applications 

For measuring:

  • Through holes
  • Blind holes
  • Centering shoulders

 

Functions

  • RESET (set display to zero)
  • ABS (display can be set to zero without losing reference to preset)
  • mm/inch
  • PRESET (for entering a numerical value)
  • DATA (data transmission via connection cable)
  • LOCK function (key lock)