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沽源Mitutoyo 293-230-30 Digimatic Micrometer

产品分类: General measuring tools
Mitutoyo 293-230-30 Digimatic Micrometer

    Coolant Proof Micrometers

    Micrometers

    SERIES 293 — IP65 Digimatic Micrometer


    •  Accurate and highly environmentally resistant, assisting with many types of measurements.

    •  Ratchet thimble provides better operability for one-handed operation.



    Code No.

    Range (mm)

    Resolution (mm)

    Measuring force*1 (N)

    Maximum permissible

    error JMPE (μm)

    Parallelism (μm)

    Flatness (μm)

    Constant measuring force

    Mass (g)

    With SPC data output

    293-230-30

    0 - 25

    0.001

    5 - 10

    ±1

    1

    0.3

    With ratchet stop

    270

    293-231-30

    25 - 50

    330

    293-232-30

    50 - 75

    ±2

    2

    470

    293-233-30

    75 - 100

    625

    293-234-30

    0 - 25

    7 - 12

    ±1

    1

    With ratchet thimble

    280

    293-235-30

    25 - 50

    340

    293-236-30

    50 - 75

    ±2

    2

    480

    293-237-30

    75 - 100

    635

    Without SPC data output

    293-240-30

    0 - 25

    0.001

    5 - 10

    ±1

    1

    0.3

    With ratchet stop

    270

    293-241-30

    25 - 50

    330

    293-242-30

    50 - 75

    ±2

    2

    470

    293-243-30

    75 - 100

    625

    293-244-30

    0 - 25

    7 - 12

    ±1

    1

    With ratchet thimble

    280

    293-245-30

    25 - 50

    340

    293-246-30

    50 - 75

    ±2

    2

    480

    293-247-30

    75 - 100

    635

    SPECIFICATIONS

    SHAPE \* MERGEFORMAT

    Metric




    SHAPE \* MERGEFORMAT


    •  Oil-resistant material used for all plastic parts.

    •  Models equipped with a Digimatic output port can form part of a statistical process control or networked measurement system.

    293-230-30

    Functions

    Origin point setting (ABS measurement system): Resets the ABS origin at the current spindle position to the minimum value of the measuring range and switches to ABS mode.

    Zero-setting:

    A brief press on the ZERO/ ABS button sets display to zero at the current spindle position and switches to the incremental (INC) measuring mode. A longer press resets to the ABS measuring mode.

    Hold:

    The function that holds the display of value is useful when it is difficult to see the measured value at the measurement point. When the function is cancelled, the previous zero-set point or a measured value with reference to the origin is displayed.

    Data output*:

    Models equipped with this function have an output port for transferring measurement data to a Statistical Process Control (SPC) system.

    * Only models with the data output function

    Auto power ON/ OFF:

    The reading on the LCD disappears after this instrument is idle for about 20 minutes, but the reading and measurement mode are retained. Turning the spindle causes the reading to reappear.

    Error alarm:

    In case of an overflow on the LCD or a computing error, an error message appears on the LCD, and the measuring function stops. This prevents an instrument from giving an erroneous reading. Also, when the battery voltage drops to a certain level, the low-battery-voltage alarm indicator appears well before the micrometer becomes unusable. Function lock:

    This function allows the ORIGIN (origin point setting) function and the ZERO (zero-setting) function to be locked to prevent these points being reset accidentally.


    Optional Accessories

    Refer to page 02-8.

    Outside Micrometers (Digimatic)


    Code No.

    Range (in)

    Resolution

    Measuring force*1 (N)

    Maximum permissible

    error JMPE (in)

    Parallelism (in)

    Flatness (in)

    Constant measuring force

    Mass (g)

    With SPC data output

    293-330-30

    0 - 1

    0.00005 in

    / 0.001 mm

    5 - 10

    ±0.00005

    0.00004

    0.000012

    With ratchet stop

    270

    293-331-30

    1 - 2

    330

    293-332-30

    2 - 3

    ±0.0001

    0.00008

    470

    293-333-30

    3 - 4

    625

    293-334-30

    0 - 1

    7 - 12

    ±0.00005

    0.00004

    With ratchet thimble

    280

    293-335-30

    5 - 10

    With friction thimble

    275

    293-336-30

    1 - 2

    335

    Without SPC data output

    293-340-30

    0 - 1

    0.00005 in

    / 0.001 mm

    5 - 10

    ±0.00005

    0.00004

    0.000012

    With ratchet stop

    270

    293-341-30

    1 - 2

    330

    293-342-30

    2 - 3

    ±0.0001

    0.00008

    470

    293-343-30

    3 - 4

    625

    293-344-30

    0 - 1

    7 - 12

    ±0.00005

    0.00004

    With ratchet thimble

    280

    293-345-30

    1 - 2

    340

    293-346-30

    2 - 3

    ±0.0001

    0.00008

    480

    293-347-30

    3 - 4

    635

    293-348-30

    0 - 1

    5 - 10

    ±0.00005

    0.00004

    With friction thimble

    275

    Dust/ water protection level: IP65 (IEC60529)*2

    •  Power source: SR44 battery (1 pc.), 938882 included as standard (for operational checks)

    •  Battery life: Approx. 2.4 years under normal use

    •  Position detection method: Electromagnetic rotary sensor

    •  Standard accessories: Setting standard, 1 pc. (except for 0 to 25 mm (0 to 1 in) models), Spanner (301336), 1 pc.

    *1 Measuring force when using the speeder ratchet (Apply a measuring force in the same condition as for measurement and then set the origin.)

    *2 Rustproofing shall be applied after use.

    Note: All digits of models over 125 mm (5 in) measuring range are presettable.

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