Spline micrometers Mitutoyo 331 series 

Type

Digital outside micrometers

Display type

Digital

Measures application

Outside measurement

Individual/set

Individual

System of measurement

Metric, Inch

Number of thimbles

1

Measuring range

0...25mm, 25...50mm, 50...75mm, 75...100mm, 0...25mm, 25...50mm, 50...75mm, 75...100mm, 0...1", 1...2", 2...3", 3...4"

Micrometer head stroke (travel of micrometer)

25mm, 25mm, 1"

Graduation/resolution

0.001mm, 0.001mm, 0.00005"

Maximum permissible error/ accuracy

±2µm, ±2µm, ±2µm, ±3µm, ±2µm, ±2µm, ±2µm, ±3µm, ±0.0001", ±0.0001", ±0.0001", ±0.00015", ±0.0001", ±0.0001", ±0.0001", ±0.00015"

Throat depth

32.5mm, 47mm, 60mm, 76mm

Anvil measuring face material

Carbide

Anvil tip shape

Flat

Anvil face dimension

D3 mm, D2 mm, D3 mm, D2 mm

Spindle measuring face material

Carbide

Spindle tip shape

Flat

Spindle face dimension

D3mm, D2mm, D3mm, D2mm

Spindle lock

Yes

Spindle diameter

6.35mm

Rotating spindle

Rotating

Thimble type

Ratchet stop

Thimble diameter

18mm

Power source

Battery

Data transmission output (SPC)

Yes

Data transmission type

Bluetooh (Wireless), Cable

Functions

Counting value composition error, Data hold, Data output, Low voltage, Preset function (ABS scale origin setting), Zero-setting function (INC measurement mode), Inch/mm conversion

Approx. weight

330g, 470g, 625g, 565g

Overall thickness

18mm

Degree of protection

IP65

Standard accessories

Battery SR44: 938882, Spanner: 301336

Separately accessories

Connecting cables: 05CZA662, Connecting cables: 05CZA663, Connecting unit: 02AZF310, USB input tool direct: 06AFM380B, Connecting cables: 02AZD790B, U-WAVE-TM: 264-622 U-WAVE-TM: 264-623 U-WAVE-TMB Transmitter: 264-626, U-WAVE-TMB Transmitter: 264-627, Battery: SR44