Hefei digital vernier caliper

Anhui Hefei digital vernier caliper vernier caliper vernier caliper Hefei, Anhui Hefei vernier caliper metal housing Digital Caliper, double security, quality assurance! Large clear LCD readout with power switch resetting at any position measurement unit conversion (mm / inch) Digital Caliper Specifications: 0-150mm 0-200mm 0-300mm 0-1000mm: 1. any position measurement units conversion; 2. arbitrary zero position. Usage: 1. Prepare: Use a dry, soft cloth to clean the card table for each surface. 2. Action: Turn the power on by pressing key; press to select the desired unit of measure conversion units; press pressure cap, the upper and lower gauge blocks contact press ZERO key to zero, measurements can be carried out properly. Battery replacement method: pressed with the thumb and rotate the card table on the back cover of the small circle of about 90 °, remove the small round cover to put a new battery (Note: battery positive outward). Such as the purchase of the battery from the market is not good (probably due to the factory a long time, due to natural discharge the battery and other reasons, the energy loss), please contact with my factory supply. Note: 1. Card table is a precision measuring tools should be used to prevent shock, drop, in order to avoid the loss of precision. 2. The card table should be kept clean to avoid water and other liquid substances into the inner table affect normal use. 3. The card table surface can be ethanol wipe, do not use other organic solvents. 4. any part of the card table can not be applied voltage, not electric pen lettering, so as not to damage electronic circuits. 5. When replacing the battery if the numbers do not move the situation appears, indicating that at this circuit occasional memory, remove the battery, over 1 minute and then re-load caliper readings readings zero vernier scale line first to prevail in the ruler who read mm integer, i.e. in millimeters of the integer part. Then look at the first few vernier scale line and ruler scale line alignment, such as Article 6 is aligned with the ruler tick tick, the fractional part is 0.6 mm (if not exactly aligned line, then rounded to the nearest alignment The line readings). If zero error, the error will be minus zero (zero error is negative, the equivalent of adding the same size zero error) with the above results, the reading result is: L = integer part + decimal part - zero error to judge which of the cursor tick tick aligned with the ruler, by the following method: The selected adjacent three lines, such as the line on the left side of the ruler line around the corresponding line to the right of the corresponding line in ruler Zhizuo, middle piece line can be considered to be aligned. If you need to take the average of several measurements without error every time minus zero, minus zero error as long as the final result. [Note] 1. Vernier caliper measurement tools are more sophisticated, to gently, may not knock or drop the ground. Should not be used when using measuring rough objects to avoid damaging the jaws, do not be in a dry place to prevent corrosion. 2. When measuring, you should loosen the fastening screws, not too much force to move the cursor. Contact between the jaws and the analyte should not be too tight. You can not move an object clamped in the jaws. 3. When reading, sight should be perpendicular to the surface and feet. For fixed readings, available fastening screws fixed cursor foot body to prevent sliding. 4. Actual measurements of the same length should be more measured several times, the average value to eliminate accidental errors. Vernier caliper vernier caliper Hefei, Wuhu, Bengbu, Fuyang vernier caliper vernier caliper vernier caliper Huainan, Huaibei, Suzhou vernier caliper vernier caliper vernier caliper Huangshan Luan Chaohu vernier caliper vernier caliper vernier caliper Ma'anshan, Tongling, Anqing vernier caliper vernier caliper Bozhou Chizhou vernier caliper vernier caliper