Reporter’s Secret Visit to Non-standard Tape Measure: 5 Meters Measured into 5.5 Meters _ GB
Original Title Reporter’s Secret Visit to keychain tape measure Non-standard Tape Measure Measuring 5 Meters into 55 Meters Reporter’s Secret Visit to Non-standard Tape Measure 5 Meters into 55 Meters Non-standard steel tape refers to a steel tape with a large error such as a ruler marked with 5 meters the actual length is 45 meters or 55 meters According to the national standard the total length error of the 5-meter steel tape should not exceed 06 mm According to people familiar with the situation such tape measures with large errors are not only sold online but also sold in Nanning’s physical stores Nanguo Morning Post reporter found that the price of each “5 meters” non-standard steel tape is as high as 60 yuan and the field test error is up to 10% which is more than 800 times higher than the national standard The seller said that this kind of tape is mostly used for decoration projects and carpet sales Relevant departments said that they would investigate and deal with the physical stores selling non-standard steel tapes in Nanning There are two kinds of non-standard steel tape measures sold in a physical store in Nanning The one on the left is “actually 45 meters showing 5 meters” and the one on the right is “actually 55 meters showing 5 meters” & amp nbsp Wang Guangjia/Photo Unannounced visit Non-standard steel tape hidden under the desk Recently an owner in Nanning reported that he saw someone selling non-standard steel tape on the Internet saying that “the actual 80 cm showing 1 meter” “the actual personalized tape measure 110 cm showing 1 meter” and that “the first 3 or 5 meters are standard the back 80 cm or 110 cm show 1 m” the non-standard steel tape provided by the seller Prices range from 10 yuan to 180 yuan The reporter learned from people in the decoration industry in Nanning that non-standard steel tapes are not only sold online but also sold in physical stores in Nanning On January 6 according to the clues provided by people familiar with the situation the reporter came to a hardware store at the North China Road intersection in Nanning to learn about the situation The shopkeeper said that there were non-standard steel tapes for sale Subsequently the other party took out two bags from the desk in the shop which contained dozens of non-standard steel tape measures from which he took out a nominal 5-meter “steel tape measure” saying that “there are big and small depending on the needs of customers”
Asked whether they could supply goods according to other requirements of the non-ruler sold on the Internet the salesperson said that at present there are only two kinds of non-ruler mentioned above in the physical store If you want to buy a ruler with “nominal 10 meters” or “standard front section and non-standard rear section” you need to “customize” it The cost is higher and the template fee alone is more than 8000 yuan Expand the full text In a physical store in Nanning the non-standard steel tape is wrapped in plastic bags and hidden under the table in the store & amp nbsp Wang Guangjia/Photo Contrast Field detection error exceeds the standard by 800 times The physical store in Nanning provided reporters with a non-standard steel tape measure of “actual 45 meters showing 5 meters” The reporter took this non-scale to the decoration site of a roughcast house in a residential area of Xiuxiang Avenue in Nanning checked with the standard decoration workers and found that the error was large and the on-site decoration owners called out that “this non-scale is too deceptive” The worker used the standard steel tape and the standard measuring ruler provided by him to check the non-scale and found one thing in common when the reading of the standard ruler was 1 meter the reading of the non-scale had reached 111 meters; when the reading of standard ruler was 2 meters the readings of the non-scale had reached 220 meters After many tests the actual length of the non-standard steel tape with a nominal length of 5 meters is 45 meters with an error of 50 centimeters and an error rate of up to 10% mini tape measure According to a staff member of the length room of Guangxi Institute of Metrology and Inspection according to the national standard requirements of steel tape in China the error standard of steel tape is divided into two grades one and two Taking the nominal 5-meter steel tape as an example the positive and negative errors of the primary standard should not be greater than 0105 mm and the positive and negative errors of the secondary standard should not be greater than 06 mm Therefore the error of non-standard steel tape with an error value of 50 cm is 833 times the allowable value of the national secondary standard error which exceeds the standard seriously By comparison at the construction site it is found that the error of non-scale is large In the figure the left is the standard ruler and the right is the non-ruler & amp nbsp Wang Guangjia/Photo Inside story Some people use two kinds of ruler to fool the owners Steel tape is one of the main tools when the owner and the decoration party check and accept the decoration project
