Tread Depth Gauge #20177 Monitor tire tread levels regularly with our handy tire tread depth gauge. Avoid blowouts and punctured tires by being aware of the tread on your tires. High-tech depth sounder LCD displays can generate monochrome or multicolor 3D maps with a variety of sonar data. The digital viewing window makes reading the tire tread depth gauge in both inch and metric scales quick and easy. Also, the watch presumably is calibrated to read depth in saltwater, which has slightly greater density than freshwater, so lake diving will require even more math. The measurements are the pitch, gauge … To use a tread depth gauge, follow the steps below. Measure the distance between the machined bearing cap surface to the bottom surface of the bore (the tool will visually display measured distances, so read the display indicator once the center probe of the tool makes contact with the bottom of the bore hole). Today, we’ll try to understand why these depth charts are needed and how to read them. Read how to use a tire tread gauge for more information. The main section is the ruler, which is how you'll be getting your measurement. The alarm on or off menu will appear. The best way to measure your tread depth is to stick the probe into the shallowest groove on the tire, press the shoulders of the probe flat against the tread and then read the result. Depth Micrometers: While inside and outside micrometers are both used to measure the diameter of an object or hole, a depth micrometer is for measuring the depth of a hole, recess or slot. Use this tread depth gauge to ensure your tire safety. Be sure Depth is turned on in CAL 2. The main section is the ruler, which is how you'll be getting your measurement. 4. 2. Anyone doing construction or remodeling work and in need of accurate measurements of the depth of a slot, hole or recess will find a Vernier depth gauge extremely handy. Depth micrometer (micrometer depth gauge) is used to measure the depth of holes, slots and recessed areas. It consists of a base (measuring face) which is fixed on the barrel and measuring spindle which is attached with thimble as shown in Fig. It took me a minute to realize how to read it, because it skips like 2 numbers in between each number, but then I realized that you just spin until the very bottom perfectly matches with a number. This gauge measures in increments of 1/32 inch (1mm) and has a solid zinc cast body with acrylic lens. Then read the measurement that you can see on the digital indicator. The zero setting, or tare, works in any position for convenience. ˝ ˛˘ 5. Depth charts is one of those which can let you know about Demand and Supply. This linear measuring tool is very easy to use. The second measurement is the same. Taytools 465494 Wheel Marking Gauge Depth Gauge with Solid Brass Machined Head Hardened .310 inch Diameter Beam Hardened High Speed Steel Cutting Wheel Overall Length 8 Inches Easy Read SAE and Metric. Step 2 Rotate the indicator's dial until the pointer aligns with the "0" marking on the dial face. Before getting into details, note that if you want to be more accurate in measuring your tire tread depth we highly recommend a tire tread gauge, which is also very straightforward and economical. Instructions on how to read your micrometer will come from the manufacturer with your tool. 3. It can measure extremely precise distances, in some cases to .02 mm. See figure 2-30; consider the reading shown. A person only employs a depth micrometer when an accurate measurement from one plane to another is needed, and having a misaligned zero point means … Read a dial bore gauge in the same way you would any indicator-type measuring device. While you increase the jaws with thumb screw, the depth gauge will touch the deep surface . All gauges should measure in both 32nds of an inch and in millimeters. A Vernier gauge is a useful measurement device equipped with two scales, one fixed and one that slides. Then there is a sliding panel that goes around the ruler, which has a wide platform that angles downwards into a flat… Step 1: Confirm which measuring scale you are using. This unique digital tire gauge is ideal for travel due to its compact size. Proper calibration of a depth micrometer's starting zero or reference point is vital to the use of the tool. 99. The scales are read in exactly the same way as the scales of a normal micrometer (see previous information sheets). First we have to find out what is least count of vernier depth gauge, in this case we have least count of 0.10 mm. Discover Digital depth gauge reading to 0.01 … Reading a depth micrometer.When reading a depth micrometer, you will notice that the graduations on the sleeve are numbered in the opposite direction of those on an outside or inside micrometer.When you are reading a depth micrometer, the distance to be measured is the value that is covered by the thimble. The axial movement of the spindle takes place by rotation of thimble. The first measurement is 9/32 or 7mm. Tire tread depth gauges can be found online or at your local auto parts store, and they are easy to use. However, you need a little guide to read the scale. Stick the probe into the valley of the tread, press the shoulders of the probe flat against the tread bloke, and read off the result. Tire tread depth gauges normally have both imperial and metric values. Take multiple tread depth readings across each tire’s tread by inserting the gauge into all of the circumferential grooves. 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