Zero error and zero correction of vernier calliper

An instrument which does not register a zero reading wh. The top image depicts the vernier caliper with its jaws tightly closed while the bottom image depicts the vernier caliper with its jaws closed on an object. Find the zero error and the correct reading of the vernier calipers below. If you encounter. To do zero correction of zero error to get your values strainght without lot of calculations and effort. If you are measuring zero length using dial Vernier Calliper by firmly pressing fixed & movable arm ( or jaw), still the dial vernier shows 0. Negative zero error and Error correction in Vernier caliper - English. The method to use a vernier scale or caliper with zero error is to use the formula: actual reading = main. ( Considering that, the quantity is called zero correction which should always be added algebraically to the. If you are not familiar on how to handle zero error for vernier calipers, I suggest that you read up on Measurement of Length. the zero error ( positive or negative), you can just subtract the zero error and be sure that your final answer is correct. While working with a screw gauge, you need to make sure that the zero of the main scale coincides with the zero of the vernier scale. But in some cases this may not happen. The zero of the vernier scale can be at the top or at the bottom of the. how to find zero error in vernier caliper.