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)