Fracttal One automatically calculates the thresholds based on the technical data configured in the meter.
What are the vibration limits by equipment type in Fracttal One?
Limit table by equipment type
Green — Normal 🟢
Yellow — Caution 🟡
Orange — Alert 🟠
Red — Critical 🔴
Electric motor
| Power | ISO Group | Green (mm/s) 🟢 | Yellow (mm/s) 🟡 | Orange (mm/s) 🟠 | Red (mm/s) 🔴 |
|---|---|---|---|---|---|
| < 15 kW | I | 0.0 – 2.3 | 2.3 – 4.5 | 4.5 – 11.0 | > 11.0 |
| 15 – 300 kW | II | 0.0 – 2.8 | 2.8 – 7.1 | 7.1 – 18.0 | > 18.0 |
| > 300 kW | III | 0.0 – 3.5 | 3.5 – 8.8 | 8.8 – 22.0 | > 22.0 |
Centrifugal pump
| Power | ISO Group | Green (mm/s) 🟢 | Yellow (mm/s) 🟡 | Orange (mm/s) 🟠 | Red (mm/s) 🔴 |
|---|---|---|---|---|---|
| < 15 kW | I | 0.0 – 2.3 | 2.3 – 4.5 | 4.5 – 11.0 | > 11.0 |
| 15 – 300 kW | II | 0.0 – 2.8 | 2.8 – 7.1 | 7.1 – 18.0 | > 18.0 |
| > 300 kW | III | 0.0 – 3.5 | 3.5 – 8.8 | 8.8 – 22.0 | > 22.0 |
Fan (axial or centrifugal)
| Power | ISO Group | Green (mm/s) 🟢 | Yellow (mm/s) 🟡 | Orange (mm/s) 🟠 | Red (mm/s) 🔴 |
|---|---|---|---|---|---|
| < 15 kW | I | 0.0 – 2.3 | 2.3 – 4.5 | 4.5 – 11.0 | > 11.0 |
| 15 – 300 kW | II | 0.0 – 2.8 | 2.8 – 7.1 | 7.1 – 18.0 | > 18.0 |
| > 300 kW | III | 0.0 – 3.5 | 3.5 – 8.8 | 8.8 – 22.0 | > 22.0 |
Gear reducer / gearbox
| Power | ISO Group | Green (mm/s) 🟢 | Yellow (mm/s) 🟡 | Orange (mm/s) 🟠 | Red (mm/s) 🔴 |
|---|---|---|---|---|---|
| Standard | II | 0.0 – 2.8 | 2.8 – 7.1 | 7.1 – 18.0 | > 18.0 |
| > 500 kW | III | 0.0 – 3.5 | 3.5 – 8.8 | 8.8 – 22.0 | > 22.0 |
Motor-pump system with belt transmission
| Component | ISO Group | Green (mm/s) 🟢 | Yellow (mm/s) 🟡 | Orange (mm/s) 🟠 | Red (mm/s) 🔴 |
|---|---|---|---|---|---|
| Motor and pump | II | 0.0 – 2.8 | 2.8 – 7.1 | 7.1 – 18.0 | > 18.0 |
Centrifugal compressor
| Power | ISO Group | Green (mm/s) 🟢 | Yellow (mm/s) 🟡 | Orange (mm/s) 🟠 | Red (mm/s) 🔴 |
|---|---|---|---|---|---|
| 15 – 300 kW | II | 0.0 – 2.8 | 2.8 – 7.1 | 7.1 – 18.0 | > 18.0 |
| > 300 kW | III/IV | 0.0 – 4.5 | 4.5 – 11.0 | 11.0 – 28.0 | > 28.0 |
Turbine (steam, gas, hydraulic)
| Type | ISO Group | Green (mm/s) 🟢 | Yellow (mm/s) 🟡 | Orange (mm/s) 🟠 | Red (mm/s) 🔴 |
|---|---|---|---|---|---|
| Industrial | IV | 0.0 – 4.5 | 4.5 – 11.0 | 11.0 – 28.0 | > 28.0 |
Motor-fan system with belt transmission
| Component | ISO Group | Green (mm/s) 🟢 | Yellow (mm/s) 🟡 | Orange (mm/s) 🟠 | Red (mm/s) 🔴 |
|---|---|---|---|---|---|
| Motor and fan | II | 0.0 – 2.8 | 2.8 – 7.1 | 7.1 – 18.0 | > 18.0 |