GOST R 8 870-2014 State system for ensuring the uniformity of measurements State verification schedule for instruments measuring of sound velocity in liquids within the velocity ra.pdf

1、 8.870 2014 800 2000 / 8.8702014 II 1 - - ( ) 2 , 206 206.14 , 3 11 2014 . 538- 4 1.02012 ( 8). ( 1 ) , . () . , (gost.ru) , 2015 , 8.8702014 1 800 2000 / State system for ensuring the uniformity of measurements. State verification schedule for instruments measuring of sound velocity in liquids with

2、in the velocity range 800 to 2000 m/s 20160101 1 (. .1 ) 800 2000 / , 1- 2- . 2 2.1 ( ) : - -1 ; - -2 ( ); - -3 . 2.2 800 2000 /, 4 50, 0 60 . 2.3 (S) 0,005 / 15 (), 0,04 / P = 0,99. : - 0,005 /; - 0,02 /; - 0,02 /. k = 2 U = 0,04 /. 2.4 , ( ) . 3 3.1 1403 1600 / 0 60 , 0 + 40 , 0 % 40 %. 3.2 (S) 0,

3、05 / 15 (), 0,08 / = 0,99. 3.3 . 8.8702014 2 4 1- 1- 800 2000 / 0 60 , 4 50 . 4.1 = (0,250,5) /. 4.2 1- 2- . 5 2- 5.1 2- , 800 2000 / 0 60 , 4 50 . 5.2 = (0,40,8) /. 5.3 2- . 6 6.1 800 2000 /, : , , , . 6.2 = (0,1.3,0) /. 8.8702014 3 () 800 2000 / 1-2- = (8002000) / = (0,250,5) / = (8002000) / = (0,

4、40,8) / = (8002000) / = (0,63,0) / (14031600) / = (060) , 40)t = (0+ = 0,08 / S = 0,05 / (8002000) / = (060) t = ( 4.+ 50) = 0,04 / S = 0,005 / = (8002000) / = (0,10,6) / 8.8702014 551.463.22:006.354 17. 020 : , , , 01.12.2014. 60x841/8. . . . 0,93. 40 . . 5215. , 123995 , ., 4. www.gostinfo.ru infogostinfo.ru