The dial caliper is used for measuring size differential between two objects, as well. As with the vernier, this second measurement is added to the reading from the main scale to obtain the result. The dial caliper has a circular dial with a pointer on a toothed gear rack replacing the second vernier scale. The vernier caliper has a scale sliding parallel to the main scale for an additional, fractional reading to improve measurement precision. Vernier, dial, and digital calipers all 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. More complex calipers use two sets of jaws instead of legs and have up to two graduated scales. The simplest calipers have two legs to mark the two points and require a ruler to take the measurement. Calipers are commonly used in architecture, metalworking, mechanical engineering, machining, manufacturing, carpentry, and medicine. They make inside, outside, depth, and/or step measurements, according to their type. The SR44 silver oxide cell battery (938882) lasts approximately two years with normal use and is recommended to maintain constant voltage levels.Ĭalipers measure the distance between two opposing sides of an object. A rolling thumbwheel makes fine adjustments and a thumbscrew locks the scale’s position. An alarm alerts the user to low voltage and counting value composition errors. Also included are zero-setting and power on/off function buttons. The caliper’s length is 235 mm, jaw depth is 40 mm, sliding LCD is 60 by 34 mm, and beam width is 16 mm. Its inch/metric system uses a 0.001”/0.1 mm gradient. It measures inner (ID) and outer diameter (OD). The 700-126 has the electrostatic capacitance type linear encoder. This caliper has accessible zero-setting and on/off function control buttons and uses both inch and metric measuring systems. Easily-read digital LCD characters and durable plastic construction make this caliper useful in a wide range of settings, including nurseries, medical offices, laboratories, and trade workshops. The Mitutoyo 700-126 plastic caliper is a digital caliper with upper and lower jaws for inside and outside measurements from 0 to 150 mm/0 to 6”.
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