Voltcraft VBM-100 Vibration meas.dev 101368 用户手册
产品代码
101368
31
Reference values
ISO 2372 and VDI 2056 distinguish between 4 classes for the evaluation of machines and equipment.
Vibration limits (in mm/s) are specified in these classes.
ISO 2372 and VDI 2056 distinguish between 4 classes for the evaluation of machines and equipment.
Vibration limits (in mm/s) are specified in these classes.
The classification is as follows:
Group K
Small machines with electric motors of up to 15 kW.
Group M
Middle-sized machines with electric motors >15 kW to 75 kW, without special base
Group G
Huge machines with heavy base
Group T
High-performance machines with special base
Group K
Group M
Group G
Group T
Good
0 - 0.71 mm/s
0 - 1.12 mm/s
0 - 1.8 mm/s
0 - 2.8 mm/s
Acceptable
0.72 - 1.8 mm/s
1.13 - 2.8 mm/s
1.81 - 4.5 mm/s
2.8 - 7.10 mm/s
Still tolerable
1.81 - 4.5 mm/s
2.81 - 7.1 mm/s
4.51 - 11.2 mm/s
7.11 - 18 mm/s
Hazardous
> 4.5 mm/s
> 7.1 mm/s
> 11.2 mm/s
> 18 mm/s
Relative deviation to reference ISO 2954 (80 Hz)
The following measuring errors deviating from the reference frequency of 80 Hz may occur.
The following measuring errors deviating from the reference frequency of 80 Hz may occur.
Frequency
Standard value
Relative deviation
Minimum value
Maximum value
10 Hz
1,0
0,8
1,1
20 Hz
1,0
0,9
1,1
40 Hz
1,0
0,9
1,1
80 Hz
1,0
1,0
1,0
160 Hz
1,0
0,9
1,1
500 Hz
1,0
0,9
1,1
1 kHz
1,0
0,8
1,1