The HD Electric 9391 HALO II is a professional-grade true RMS digital ammeter designed for accurate current measurement in high-voltage environments. With a measurement range of 0-2000 amps AC and auto-ranging capability, this instrument provides reliable readings for a wide variety of applications. The fork-style sensing head allows for non-contact measurement, ensuring safety and convenience. The device is rated for use on voltages up to 69kV class (40kV line-to-ground), making it suitable for utility and industrial settings.
Key Features & Highlights
- True RMS measurement: Provides accurate readings of non-sinusoidal waveforms.
- Wide measurement range: 0-2000 amps AC with auto-ranging LCD display.
- Track and peak-hold modes: Capture fluctuating currents or hold peak values for analysis.
- Fork-style sensing head: Enables quick and safe current measurement without breaking the circuit.
- Universal spline: Compatible with standard hotsticks for extended reach in high-voltage applications.
- Field replaceable battery: Powered by a 9-volt alkaline battery with auto shut-off to conserve power.
- Includes padded nylon carrying bag: For protection and easy transport.
Applications
The HD Electric 9391 is ideal for use by electrical utility technicians, linemen, and industrial maintenance personnel. It is commonly used for verifying current levels in high-voltage transmission and distribution systems, troubleshooting electrical equipment, and performing routine maintenance checks. Its robust design and safety features make it a reliable tool for demanding field conditions.





Reviews
There are no reviews yet.