Noise / Harmonics Sensor
Detects electrical distortion that silently damages equipment and degrades efficiency.
What Does a Noise / Harmonics Sensor Measure?
A noise and harmonics sensor measures distortion in electrical waveforms caused by non-linear loads such as VFDs, SMPS, UPS systems, inverters, and high-speed switching devices. These distortions appear as harmonics, electrical noise, and waveform deformation.
Signal Output
- Digital: RS485 / Modbus
- Derived parameters: THD (Total Harmonic Distortion)
- Harmonic spectrum (3rd, 5th, 7th, etc.)
- Voltage and current distortion indices
What Does the Signal Mean?
| Noise / Harmonics Behaviour | Industrial Meaning |
|---|---|
| Low THD (< 5%) | Healthy power quality |
| High voltage harmonics | Equipment stress, insulation heating |
| High current harmonics | Transformer and cable overheating |
| Excessive electrical noise | Control malfunctions and sensor errors |
Sensor Cluster
This sensor belongs to the Electrical Health Cluster and represents the Advanced Power Quality layer.
Industrial Applications
- Power quality audits
- VFD and inverter impact analysis
- Transformer and cable protection
- Sensitive equipment protection
- Compliance with IEEE 519 and utility norms
Industries Using Noise / Harmonics Sensors
Operating Conditions
- High switching frequency environments
- Non-linear and dynamic loads
- Electrically noisy industrial panels
- Continuous power quality monitoring