GOST R 8 784-2012 State system for ensuring the uniformity of measurements Measuring installations - standards of 2-nd class of moisture content of firm and loose materials Verific.pdf

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2、 1 2- State system for ensuring the uniformity of measurements. Measuring installations standards of 2-nd class of moisture content of firm and loose materials. Verification procedure 20140301 1 1.1 - ( 2- ), - , 8.681. 2- , , - () 2- , - . . 1.2 2- - 1, 2 , . 1.3 7 - 2- - 3. 2 : 8.56897 . - . 8.681

3、2009 . - 8.31597 . - . 12.2.007.075 . . - 11278 . 2370693 ( 51-6-81) - . 6. ( ) - 8.7842012 2 , 1 , , , . -, , - (). -, , , , , . , , , , - . 3 3.1 , 1. 1 , - 1 - 7.1 2 7.2 3 7.3 3.2 . 4 4.1 1- - ( 1- ) -: - , - - , - 8.315. 4.2 500 2 23706 1102/1. 4.3 - : - 1 50 1 112; - 10 % 100 % - 5 % -4; - - 80

4、 106 0,2 -1. 4.4 , -, : - , - : 5 70 10 % 90 % 3 3 % , - (100 ). 8.7842012 3 4.5 4.2 4.3 4 . 4.4 8.568. 4.6 , 4.1, - . 5 5.1 . 5.2 12.2.007.0 5, 6. 6 6.1 : - (20 2) - (60 20) % - (96 6) 6.2 : - 1- 2- , ; - , - 1- . 7 7.1 7.1.1 , - , 2- , . , . 7.1.2 500 . 2- . , 2- . 7.2 2- . 7.3 7.3.1 : - 1- ; - 1-

5、 . 7.3.1.1 1- - . , 1- ( ) , - . - (), 1- . - 8.7842012 4 , 1- , - 2- . . 2- 1- - () . - 2- 1- . (W ) 1njjWnW=, (1) jW j - , %; n ( 5n ) . () (S ) ( )( )211njjWWnnS=, (2) W , %. (1W ) - 1- (1S ) - (1) (2). 2- = 0,95 ( )22112221331, 9 6WWkSS= + + + , (3) 1 - 1- , 1- , %; k , 1,1 P = 0,95. 2- - , 100W= (4) ( ). 7.3.1.2 1- . . 2- ( ). - 2- . (W ) () 2- (S ) (1) (2).