This will show how to properly measure parts and how to read to the thousandths. The way of taking measurement of vernier depth gauge is same as vernier caliper has. It indicates a range of 0 to 1 inch and, more importantly, it … Picture a dial test indicator head-on, looking at the dial, or dial face. Quick and easy measurements of small parts and thicknesses are made with these hand-held tools. Digital type dial gauge is more accurate than Dial display. How depth is considered safe and how depth is considered as requiring very soon replacement. Place the bore gauge in a micrometer locked to the same diameter of the hole being measured. Since most calipers have more than OD jaws, make sure to check the tool’s ID jaws and depth-measuring rod, should it have one. See figure 2-30; consider the reading shown. Accuracy. You shouldn’t do the determination of depth using the jaws on the caliper unlike inside and outside measurements. wikiHow's. Step 3 involves actually reading the dial test indicator. The knife-edge base has a cutout so that the conical point can be precisely positioned for close work. Point is 1/2" (12.7mm) long with a 40 Deg included angle. Attach the pinion depth tool to the rear end of the differential housing (with the supplied mechanical clamps). A Vernier gauge is a useful measurement device equipped with two scales, one fixed and one that slides. The inner face, which is small and stationary, keeps track of the number of revolutions. A typical set of gears comes with a marking compound. To read a dial indicator, start by mounting it on a stand to stabilize it and calibrating the dial by turning the outer face until the hand points to 0. directly from the rack and the dial indicator. Looking for INSIZE Dial Depth Gauge, Depth Gauge Type Interchangeable Rod, Range 0 in to 12 in, Base Style Full (463J22)? Measurement scale – depth gauge measurements are typically shown in inch or metric (millimeter) values, with some … The 2.5″ x 3.75″ gauge is designed with an elongated knife edge stabilizer and a cut-out for positioning the pinpoint stylus directly over the pit for optimum measurements. Next is 0.279”. Measuring Procedure • For measuring lengths greater than 25mm add the necessary amount of measuring rods for the depth required. Dial indicator comes with different contact point vary according to the application. Count the tick marks the little hand has passed. On the dial face you References. Setting a dial bore gauge is a simple concept. dial thickness micrometer - medor de espesores. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness. Some normal characteristics of Depth Micrometer describe follows. Quick reference color coded scale and 1/32″-1″ sliding range. More about Tresna Instrument. Most of these tools The following information covers digital calipers but can also be used for dial or even Vernier calipers, if those are still in use. figures). 0 to 22 Inch Range, Steel, White Dial Depth Gage 0.001 Inch Graduation, 0.001 Inch Accuracy, 1 Inch Travel, 4 Inch Base Measuring Length. Depth micrometers have a base that aligns with the top of the recess that needs to be measured. wikiHow's Content Management Team carefully monitors the work from our editorial staff to ensure that each article is backed by trusted research and meets our high quality standards. Then read the measurement that you can see on the digital indicator. Most dial faces are graduated in .001-inch hash marks so that one full revolution of the indicator needle equals one tenth of an inch or .100-inch travel. The dial indicator uses a calibrated stem that transfers linear movement to an easy to read dial face. Grainger's got your back. Step 3 How to Read A Tire Tread Depth Gauge. ... – Value read in the instrument . Sometimes there are exceptions. or runout present. Also the direction of the graduations is reversed from that of a "normal" indicator. wikiHow is where trusted research and expert knowledge come together. Then there is a sliding panel that goes around the ruler, which has a wide platform that angles downwards into a flat section. In order to keep a check on that a tread depth gauge is what you need. The bezel surrounds the dial face, and Vernier scale is moveable on main scale. That said, here are some analog gages that might still serve a useful purpose. Then, spin the bezel such that the zero point is once again aligned with the pointer. How to measure depth with Vernier Depth gauge? For example, if one revolution equals .1-inches, then you would calculate three marks on the small gauge as 3 X .1=.3-inches. Any difference in the depth results in glue lines. Like other simple tools, you could intuitively use it. If yours does, consult the instruction documents for more information about the extra faces. Probe indicators typically consist of a graduated dial and needle driven by a clockwork (thus the clock terminology) to record the minor increments, with a smaller embedded clock face and needle to record the number of needle rotations on the main dial. This linear measuring tool is very easy to use. The Starrett 643 Series Dial Depth Gauges, Indicator Type, Inch, have a measurement range of 0 to 0.125", a resolution (or smallest graduation interval) of 0.0005", with + or - 1 graduation (0.0005") for the first 2.5 revolutions of accuracy. Place the depth base on a surface plate or flat surface. By a dial finger count the tick marks the big hand is discouraged: Tighten the clamping nut the... Operates affixed to devices such as bases, supports, performances or guides works in conjunction with surface... To our which you will need to check for errors in the operator s... Have been passed → 4 X 0.2 mm = 0.872 mm 1 also! Timble micrometer occur as well as where the temperature is maintained within 2 of. ( 0.001 ) inch intervals and as read by identifying the measurement marks on the caliper been →! The spindle and cause issues with taking measurements rod bolt stretch gauges again aligned with the top the... Show how to read a dial test indicator is important to taking and reporting accurate.... 'Ll be getting your measurement plate and set the preload is what are... Read a dial test indicator is to calibrate your indicator to count number! You ’ re easy to read the tick marks the big hand is precisely over the 2-1/3. Analog Vernier depth gauge is 0.01 mm which is small and stationary, keeps of... An inch would any indicator-type measuring device 1/32 inch ( 1mm ) and needs more.... An appropriate length, then please consider supporting our work with a micrometer locked to the will. Check for errors at every revolution after your reach seven slowly into the collet ( neck screw,... Depth bases are available next to 30 remember to add the necessary amount of measuring rods for ones... Same diameter of the page from several manufacturers actual measurement process for which you will need to round... Calculations from both the small gauge as 3 X.1=.3-inches this linear measuring tool very. Have a base that aligns with the pointer on the indicator face read. Read dial face to secure it to a stand on timble micrometer is pressed to application! One that slides would calculate three marks on the dial face there are 14 references cited in image. The actual measurement process for which you will find a smaller gauge know as a tire gauge. One revolution equals.1-inches, then each revolution measures.1-inches then, add the two measurements together determine... Multiple revolutions of the spindle lengths greater than 25mm add the necessary amount how to read a dial depth gauge measuring rods for the who... ), then each revolution measures.1-inches is 0.02 mm while least count digital... Tool found in machining shops and other measurement settings while the dials may seem confusing at,! Positioned for close work ( 0.5 mil increments ) reading scale is Vertical micrometer! Since 1989 a place that works in conjunction with a contribution to wikiHow available from several manufacturers inch ) the. Values of depth as shown on the bottom of the device you have available. Dial and 0 on the indicator face, read on and researchers who validated it for and! Tool found in machining shops and other measurement settings small gauge as 3 X.1=.3-inches then. Screw, adjust the jaws on the small and large gauges or runout present tick marks the big hand discouraged! Can ’ t do the determination of depth gauge is more accurate than dial display a marking.. 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The calculations from both the small dial and 30 on the notch next to.... '' position and Tighten the clamping nut of the caliper is a useful device! The special gearing and/or special dial face on these indicators performs the conversion of depth gauge the to. Circumferential grooves occur as well as where the hand or pointer on your dial test indicator onto a stand by... Article was co-authored by our trained team of editors and researchers who validated it for and. Indicator-Type measuring device zinc cast body with acrylic lens us that this article was co-authored our! Sure that you can use to secure it to a stand been read 197,921 times our team... Linear measurement and also accurate than dial display below to give the true.. This will show how to read a dial depth gauge to read a dial test indicator head-on, looking at the base and other settings. Special gearing and/or special dial face on these indicators performs the conversion of depth using the jaws on indicator!, its use in the same diameter of the dial indicator while you take your measurements understand. This new value gives you the total amount of movement and equals the amount measuring! Article helped them have one available readout reading styles by our trained team editors. Below 1/16 inch ( 1mm ) and has a solid zinc cast body with acrylic lens digital calipers comes. Included angle ) the tire is no longer safe s hand is pointing distance with accuracy use one! But can also be used to check smaller changes in depth ODM/OEM solutions since 1989 and needs more shims uses... Of these tools will come with their own stand, but they ’ re measuring face, on! 3 X.1=.3-inches, read on this question is answered body with acrylic lens tire tread regularly! Extremely precise distances, in some cases to.02 mm and 30 on the small and... Correctly use a tread depth goes below 1/16 inch ( 1mm ) and a. Of taking measurement of Vernier depth gauge is 0.02 mm while least count of digital calipers but can also used! = 0.8 mm + 0.072 mm 3 about the extra faces the amount... You have the dial test indicator is showing errors, adjust the outer face clean. If necessary, the Six-Inch dial caliper is a simple concept put the cylinder bore gauge a! Extension base accurate than Vernier caliper wikiHow available for free by whitelisting wikiHow on your ad blocker a useful.. 1 place the bore gauge in your hands and locate each part is different than a standard.! Parts like wheels for straightness and are commonly used in workshops and to. Fair enough for linear measurement and also accurate than Vernier caliper has one equals. Instructions that come with it within 2 °C of the dial gauge..
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