Contact Element Ball Point, Carbide (21JZA242)

Basic Attributes

• Application

  • Probe

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• Product Type

  • Ballpoint Probe / For Dedicated Model (Knurled part diameter 7 mm)
  • Ballpoint Probe / For General Dial Gauge

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• Material

  • Plastic
  • Ruby

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• Accuracy(inch)

  • ±0.0005

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• Applicable Gauge

  • LGF, LGK, LGB, LG, LGM, LGH (excluding LGF-Z with reference Point,LGH with 0.01 µm resolution)
  • LGF-Z with reference Point,LG100 with connector adapter plug 21HZA196
  • Digimatic Indicator Digimatic Scale Units Linear Gauge LGS/LGD
  • LGF-Z with reference Point

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• BCD Output

  • Yes

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• Bearing Type

  • Linear ball bearing

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• Cable Length(m)

  • 2

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• Carbide Stylus Tip ø2 mm No.

  • 103010
  • 103011

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• Coaxial Revolution Counter

  • Yes

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• Colour

  • Green
  • Orange
  • Red

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• Contact Point

  • Thread M 1.7 x 0.35
  • Carbide tipped, thread: M 2.5 x 0.45 mm
  • Ø3 mm carbide ball, thread: M 2.5 x 0.45

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• Continuous Dial

  • Yes

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• Counting Direction Switchable

  • Yes

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• Dial Reading

  • ±0-100
  • 0-100-0
  • 0-70-0

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• Digimatic Data Output

  • Yes

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• Digital / Analog

  • Analog

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• Display

  • Green LED display 6 digits plus sign

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• Environmental Conditions

  • 0°C to 50°C (20% to 80% rel. humidity, no condensation) °C

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• Error of Indication First 2 ½ Revolution(inch)

  • ±0.0002

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• Error of Indication One Revolution(inch)

  • ±0.0002
  • ±0.0005

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• Extern Tolerance Set (when a PC is used)

  • Yes

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• External Hold

  • Yes

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• External Peak-hold Cancel

  • yes

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• External PRESET / ZERO

  • Yes

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• Functions

  • A: M2.5 x 0.45
  • A: 4-48UNF
  • Basic set
  • Full set
  • ISO type

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• Gauge Inputs

  • 1

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• Graduation(inch)

  • 0.0001
  • 0.0005

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• Graduation(mm)

  • 0.0005
  • 0.001
  • 0.002
  • 0.01

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• Graduation(N)

  • 0.2

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• H MPE (Hysteresis)(inch)

  • 0.0001
  • 0.0002

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• H MPE (Hysteresis)(µm)

  • 2
  • 4
  • 5
  • 9

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• Inch-Metric

  • Inch
  • Metric

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• Input Signal Type

  • Differential square-wave
  • Differential square-wave with reference Point
  • Digimatic code

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• Lower Digit Blank-out

  • Yes

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• MAX / MIN / Difference Measurement

  • Yes

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• Max. Input frequency

  • 1,25 MHz (2-phase square wave),response speed dependson gauge specification
  • 2,5 MHz (2-phase square wave),response speed dependson gauge specification

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• Max. Response Speed(mm/s)

  • 1500

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• Measuring Force

  • 1.4 N with spindle down,1.3 N with spindle horizontal,1.2 N with spindle upwards

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• Minimum Edge Distance

  • 500 ns (1 μm type), 250 ns (0.5/0.1 μm type)

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• mm / Inch Switching

  • Yes

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• MPE Any 1/10 Revolution(µm)

  • 10
  • 12

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• MPE Any 1/2 Revolution(µm)

  • 3
  • 11
  • 17

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• MPE Any 10 Scale Divisions(µm)

  • 2

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• MPE Any 1 Revolution(µm)

  • 5
  • 12
  • 20

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• MPE Measuring Range(µm)

  • 3
  • 7
  • 25
  • 50

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• ON/OFF

  • Yes

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• Output Signal

  • 90° phase difference,differential square wave(RS-422 equivalent)

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• PRESET

  • Yes

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• R MPE (Repeatability)(inch)

  • ±0.00004
  • ±0.0002

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• R MPE (Repeatability)(µm)

  • 1
  • 3

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• Range(inch)

  • 0.016
  • 0.03

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• Range(mm)

  • 0-10
  • 0.14
  • 0.2
  • 0.6
  • 30
  • 100

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• Range(N)

  • 0.6-5

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• Range Per Rev.(mm)

  • 1

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• Remarks

  • For waterproof type

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• Resolution

  • 0.0005 µm mm
  • 0.001 µm mm

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• RS Link

  • Yes

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• Scale Reference Point

  • 3 mm from the lowest rest Point(10 mm type),5mm from the lowest rest Point(25/50 mm type)

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• Signal Pitch(µm)

  • 2
  • 4

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• Stem(mm)

  • 4/9.52
  • 8

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• Tolerance Judgement Display

  • LED display (3 steps : Amber, Green, Red/5 steps : Amber, Amber flashing, Green, Red flashing, Red)
  • Yes

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• ZERO SET

  • Yes

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• Length(mm)

  • 7.3
  • 8
  • 15
  • 25

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• Length(inch)

  • 1/4

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• Type

  • 137391
  • 21AZA319
  • 21JAA225
  • 21JAA226
  • 901312

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• Effective Movement Range(mm)

  • 0-95mm

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• Additional Spec

  • Waterproof Type for Series 2 (except 2971-2978) Green
  • Waterproof Type for Series 2 (except 2971-2978) Orange
  • Waterproof Type for Series 2 (except 2971-2978) Red
  • Bracket
  • Bracket, Black Dial
  • Flat Anvil
  • Jeweled Bearing, Shockproof

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• Base Size(mm)

  • 168 x 110

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• Column Ø

  • 30

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• Effective Table Dimensions(mm)

  • Ø 58

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• Fine Adjustment(mm)

  • 1

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• Mass(kg)

  • 4

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• Max. Measurement Height(mm)

  • 95

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• Perpendicularity Table-Stem Hole(mm)

  • 0.4/100

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• Stem Hole Diameter

  • 9.53 mm, 8 mm with bush (standard accessory)

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• Table Flatness(µm)

  • 1.3

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• Diameter(mm)

  • 58

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