The measuring parameter of vibration adopted by E&B is the vibration acceleration or vibration velocity.
The measuring units and measuring method are specified by JB/T5314 and JB/T5313. In the process of measuring vibration strictly controlled noise by using acoustics.

Table 5.1 The level of vibration accelecration dB

Inner diameter dmm	diameter series 0						diameter series 2						diameter series 3
	Z1	Z2	Z3	Z4	ZP3	ZP4	Z1	Z2	Z3	Z4	ZP3	ZP4	Z1	Z2	Z3	Z4	ZP3	ZP4
3.4	32	30	28	24	44	40	33	30	28	26	46	42	34	31	29	27	47	43
5.6	34	32	30	26	46	42	35	32	30	28	48	44	35	33	31	29	49	45
7.8	36	33	31	27	47	43	36	34	32	29	50	45	39	35	34	30	51	46
9	38	34	33	28	48	44	38	35	33	30	51	46	41	37	36	32	53	48
10	40	36	33	28	49	44	40	37	33	30	51	46	42	38	35	32	53	48
12	41	37	34	29	50	45	41	37	33	30	51	46	43	38	35	32	53	48
15.17	42	38	35	30	51	46	42	39	34	31	52	47	44	40	36	33	54	49
20.22	43	39	36	31	52	47	44	40	36	33	54	49	46	41	37	34	55	50
25	44	40	38	34	54	50	45	41	38	36	56	52	47	42	39	38	57	53
28	45	41	30	35	55	51	46	42	40	37	57	53	48	43	41	38	58	54
30	45	41	39	35	55	51	46	42	39	37	57	53	48	43	40	38	58	54
32	46	42	40	36	56	52	48	43	40	38	58	54	49	44	42	39	59	55
35	47	43	41	37	57	53	48	44	41	39	59	55	50	45	42	40	60	56
40	49	44	42	38	58	54	50	45	42	40	60	56	52	47	43	41	61	57
45	51	46	44	42	61	58	52	47	44	43	62	59	54	49	45	44	63	60
50	52	48	45	44	63	60	53	49	46	43	64	61	55	51	47	44	65	62

Table 5.2 The level of vibration velocity μm/s

Inner diameter d mm	V1			V2			V3			V4
	L	M	H	L	M	H	L	M	H	L	M	H
5.6	74	48	40	58	36	30	35	21	18	32	11	11
7,8,9	92	66	54	72	48	40	44	28	24	38	12	12
10,12	120	80	70	90	60	50	55	35	30	45	14	15
15	150	100	85	110	78	60	65	46	35	52	18	18
17	150	100	85	110	78	60	65	46	35	52	25	25
20	180	125	100	130	100	75	80	60	45	60	25	25
22	180	125	100	130	100	75	80	60	45	60	30	32
25	180	125	100	130	100	75	80	60	45	60	30	32
28	180	125	100	130	100	75	80	60	45	60	35	40
30,32	200	150	130	150	120	100	90	75	60	70	35	40
35	200	150	130	150	120	100	90	75	60	70	42	45
40	240	180	160	180	150	130	110	90	80	82	50	50
45	240	180	160	180	150	130	110	90	80	82	60	60
50	280	200	200	210	160	160	125	100	100	95	70	70