In order to understand the noise of its universal material testing machine products, some professional production companies are equipped with noise detection equipment - sound level meter, and equipped with specialized inspection personnel. However, there are also some private and individual enterprises that do not have sound level meters, or if they do, they do not meet the measurement requirements of the standard, ie, they cannot measure the equivalent continuous sound level, which exposes this blank market. What are the product requirements for this market?
Sound level meters can be classified into general sound level meters, vehicle noise sound meters, pulse sound level integrated sound level meters, noise exposure meters (dosimeters) and statistical sound level meters according to their use. According to its accuracy can be divided into 0 type, type 1, type 2 and type 3 four types. Among them, type 0 sound level meter is mainly used as a laboratory reference standard; type 1 sound level meter is used in places where the laboratory and acoustic environment can be strictly controlled; type 2 sound level meter is suitable for general measurement use; type 3 sound level meter is mainly used. Used for on-site noise surveys. China's currently used standards for test testing are GB16710.1 and GB/T16710.2-5, which stipulate that the test instrument used is a type 1 instrument with integral function.
Silicone Leak Proof Shampoo Travel Bottle
Made of food grade silicone material, with FDA BPA Free LFGB certificates. There are different Volume 37ml 60ml and 89ml, the silicone travel liquid bottles are easy to squeeze, Leak-proof and air valve control the flow. This travel jar with Wide-mouth, easy to refill more convinient, and three layers for sealing up make safe handing. TSA approve, that is a perfect choice for travel. pls contact us for more information.
For more: Silicone travel bottles, Silicone travel tubes, Silicone travel bottle set, Silicone trave jars
Silicone Travel Bottles,Custom Travel Bottle Set,Silicone Travel Tubes,Tsa Travel Bottles
Shenzhen Kean Silicone Product Co., Ltd. , https://www.keansilicon.com