Technical Data:
Series: 331
Product type: Spline Digimatic Micrometer
Application: Measurement of splined shafts, slots and keyways
Measuring faces: Carbide tipped
Constant measuring force: Ratchet Stop
Protection: IP65
Power source: 1 x SR44 battery, 938882 included as standard
Accuracy basis: EMPE, ISO 3611:2023 and ASME B89.1.13-2013
Measuring range: 75 - 100 mm
Resolution: 0.001 mm
Accuracy: +/-3 um
Flatness: 0.3 um
Parallelism: 3 um
Measuring face: Type B

Dimensions:
L=75 mm
a=16.7 mm
b=76 mm
c=20.3 mm
Spindle Dia.=6.35 mm
Body Dia.=18 mm
For ranges up to 75 mm: common longitudinal dimensions 25 mm; 12 mm; 48.5 mm; 62.9 mm
For ranges over 75 mm: common longitudinal dimensions 25 mm; 12 mm; 66.5 mm; 62.9 mm
Rear height/detail=10.8 mm
Type B: Dia.2 mm measuring faces, 5 mm length each side

Optional:
264-020 USB Input Tool IT-020U
05CZA662 Connecting Cable, 1 m
05CZA663 Connecting Cable, 2 m
06AFM380B USB Input Tool Direct, 2 m
264-622 Transmitter, IP67
264-626 Transmitter, IP67 Bluetooth
264-623 Transmitter, Buzzer
264-627 Transmitter, Buzzer Bluetooth
02AZF310 Connecting Unit / Adapter
02AZE140B Connecting Cable, foot-switch compatible

Remark:
Connector type: B