Miutoyo 505 Series Dial Caliper

  • New designed dial movement for ultra smooth sliding and high shock protection.
  • Titanium Nitride (TiN) coating is applied to the sliding surface to increase wear resistance (except for 0-300mm and 0-12" model).
  • Can measure OD, ID, depth, and steps.
  • Lock screw for dial bezel and for holding the slding jaw position .
  • Models available with carbide-tipped OD and ID jaws.
  • Supplied in fitted plastic case.

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Mitutoyo 505 Series Dial Caliper

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  • Mitutoyo 505 Series Dial Caliper

Product Description

SPECIFICATIONS:

Inch
Range Order No.
Accuracy Graduation Range Per Rev Remarks
0-6"
505-742J +/-0.001" 0.001" .1" White Dial Face
0-6" 505-742-51J +/-0.001" 0.001" .1" Blue Dial Face
0-6" 505-742-52J +/-0.001" 0.001" .1" Purple Dial Face
0-6" 505-742-53J +/-0.001" 0.001" .1" Green Dial Face
0-6" 505-742-54J +/-0.001" 0.001" .1" Red Dial Face
0-6" 505-742-55J +/-0.001" 0.001" .1" Orange Dial Face
0-6" 505-742-56J +/-0.001" 0.001" .1" Black Dial Face
0-6" 505-736 +/-0.001" 0.001" .1" Carbide-tipped jaws for OD measurement
0-6" 505-738 +/-0.001" 0.001" .1" Carbide-tipped jaws for OD & ID measurement
0-8" 505-743J +/-0.002" 0.001" .1" -
0-8" 505-737 +/-0.002" 0.001" .1" Carbide-tipped jaws for OD measurement
0-8" 505-739 +/-0.002" 0.001" .1" Carbide-tipped jaws for OD measurement
0-12" 505-746 +/-0.002" 0.001" .1" -
0-12" 505-747 +/-0.002" 0.001" .1" Carbide-tipped jaws for OD measurement
0-12" 505-748 +/-0.002" 0.001" .1" Carbide-tipped jaws for OD & ID measurement
0-6" 505-740J +/-0.001" 0.001" .2" -
0-6" 505-744 +/-0.001" 0.001" .2" Carbide-tipped jaws for OD measurement
0-8" 505-741J +/-0.002" 0.001" .2" -
0-12" 505-749 +/-0.002" 0.001" .2" -
0-12" 505-750 +/-0.002" 0.001" .2" Carbide-tipped jaws for OD measurement

 

The Mitutoyo 505 series dial caliper uses a combination of a vernier scale and a dial with a pointer that travels one rotation for each 0.2” measured to perform precise outside dimension (OD), inside dimension (ID), depth, and step measurements.

The dial caliper has a fixed (main) scale and a movable dial, unlike the vernier caliper which has a second, movable vernier scale. The dial is circular and has a pointer; it is mounted on a toothed gear track which drives the pointer. As the dial moves over the main scale rule, the pointer rotates once to give the additional fractional reading. The second measurement is added to the main scale reading to obtain a final result accurate to the smallest graduation marked on the dial. The main scale and dial are marked in inches. The dial can be rotated beneath the pointer to measure size differential between two objects. The dial caliper is easier to read than the vernier caliper, thus safeguarding against user reading errors. Its standard of precise measurement complements the use of the vernier caliper; the dial provides an ease in reading and interpolating measurements which most vernier calipers, due to their need for direct observation of both scales, may not provide.

The dial uses a rack-and-pinion mechanism and is mounted on a gear track where each tooth equals one quarter of the dial revolution, and four teeth equal 0.2”. The smooth-moving dial is graduated to 0.001” and offers gear train shock protection. A thumbwheel permits fast operation with one hand. A clamping screw controls scale movement and a dial calibration lock holds the sliding jaw’s position. The caliper is made of hardened stainless steel construction with titanium nitride (TiN) coating on the beam wear surface helps extend caliper life. Two sets of jaws provide four-way measurement capability: outside dimension (OD), inside dimension (ID), depth, and step, where the butt end of the fixed jaw measures one end of a work piece before its upper/lower or inner/outer steps are measured.

Calipers measure the distance between two opposing sides of an object. They make inside, outside, depth, or step measurements, according to their type. Calipers are commonly used in architecture, metalworking, mechanical engineering, and machining. The simplest calipers have two legs to mark the two points and require a ruler to take the measurement. More complex calipers use two sets of jaws instead of legs and have up to two graduated scales. Vernier, dial, and digital calipers give direct and accurate readings and are functionally identical, having a calibrated scale with a fixed jaw, and another jaw with a movable pointer that slides along the scale. The vernier caliper has a scale sliding parallel to the main scale for an additional, fractional reading to improve measurement precision. The dial caliper has a circular dial with a pointer on a toothed gear rack replacing the second vernier scale. As with the vernier, this second measurement is added to the reading from the main scale to obtain the result. The digital caliper takes a differential by zeroing the display at any point along the slide, with an LCD that displays a single value in English and/or metric units.

Additional Information

SKU 505-Series
Manufacturer Mitutoyo
Gage Type Caliper