M720: Digital AC Ammeter

🇺🇸 MADE IN THE USA 🇺🇸

Harrison Labs M720 AC Amps Meter – Precision Current Monitoring

Keep your power in check with the Harrison Labs M720 AC Amps Meter. Made in the USA, this high-performance backboard transforms the VM-1 basic meter into a precision ammeter, perfect for marine, yacht, and professional audio systems.

Why the M720?

• True RMS Accuracy: Features an AC rms converter for precise current readings in complex circuits.

• Built-In Safety: Uses a current transformer to naturally isolate the VM-1 meter, removing the need for extra power supplies.

• Marine-Grade Durability: Heavy-duty screw terminals ensure a secure connection in high-vibration environments like engine rooms.

• Optimized Performance: Includes a 10-ohm load designed specifically for 1000:1 current transformers.

• Custom Look: Available in high-visibility Red or a sleek White LED upgrade to match your custom dash or rack.

Engineered for reliability, the M720 is the professional choice for monitoring shore power, onboard generators, and high-draw amplifiers.