What is the OMICRON HGT1?
The OMICRON HGT1 is a precision instrument designed to measure step and touch voltages along with ground impedance in substations and electrical power systems. It functions alongside the CPC 100 and CP CU1 devices to inject controlled test currents, simulating fault conditions and enabling detailed assessment of grounding safety.
Features & Benefits
Measures step and touch voltages with high accuracy, ensuring personnel safety
Determines ground impedance essential for substation reliability
Variable frequency injection from 15 to 400 Hz for flexible testing via CPC systems
High-sensitivity voltage detection using FFT-based measurement techniques
Supports fall-of-potential method for thorough grounding system analysis
Integration with PTM software for automated data acquisition and testing
Designed as an add-on to CPC 100 / CP CU1, enhancing system capabilities.
Use Cases / Applications
This device is ideal for substation grounding system verification, safety studies for electrical personnel, and ensuring compliance with IEEE 81 and EN 50522 grounding standards. It aids in verifying safe operating conditions and fault simulations for preventive maintenance and system design validation.