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V錐流量計(jì)檢定結(jié)果表

V錐流量計(jì)計(jì)算公式						Q=A+B
D/mm	50.000		50.000		50.000		100.000		200.00
	0.452		0.650		0.854		0.850
A	0.05994628		-0.01709265		-0.01640338		0.75247742		1.05969451
B	1.71625861		4.04465749		8.60156801		15.08579841		59.88791366
流量/差壓
	2.351	1.787	0.544	0.019	3.320	0.151	6.397	0.141	19.914	0.104
	3.336	3.634	2.010	0.250	11.567	1.810	18.060	1.325	67.677	1.222
測(cè)量值	4.428	6.501	6.976	2.988	19.439	5.098	35.172	5.223	123.031	4.092
	5.471	9.942	11.122	7.603	27.437	10.177	47.587	9.553	173.453	8.325
	6.593	14.502	14.679	15.063	33.315	15.073	61.366	16.160	233.034	15.078
不確定度	0.30%		0.27%		0.32%		0.47%		0.57%
精度等級(jí)	0.5		0.5		0.5		0.5		1.0
量程比	2.8:1		28.8:1		10:1		9.6:1		11.7:1