Keep your RV or marine electrical system running smoothly with the Newmar ACE Energy Meter 2.5 Display, a reliable tool designed for monitoring 115/230 volt AC systems. Whether you're boondocking off-grid or hooked up at a campground, this compact meter provides real-time insights into voltage, current, frequency, and power draw, helping you avoid costly overloads or generator issues.

Key Features That Stand Out

• Wide Reading Range: Accurately measures 90-300 VAC, 0-150 amps, frequency from 40-70 Hz, and power up to 45 kW, covering most RV and boat setups.
• Built-in Alarms: Audible and visual alerts for high/low voltage or frequency deviations, giving you peace of mind during long trips.
• Generator Protection: Programmable for automatic shutdown via remote alarm option if parameters go out of bounds—perfect for unattended operation.
• Complete Kit: Includes current and voltage transformers, so you're ready to install without hunting for extras.
• Compact Design: 2.5-inch face fits neatly into dashboards or panels without taking up valuable space.

Why RV Owners and Boaters Love It

Imagine pulling into a remote site, firing up your generator, and knowing instantly if everything's balanced. This meter helps optimize energy use, extending generator life and reducing fuel waste. Spot imbalances early—like a spiking AC load from your air conditioner—and prevent tripped breakers or fried appliances. It's not just a gauge; it's your system's watchdog, especially useful in variable shore power scenarios where voltage dips are common.

For marine applications, it excels at tracking inverter performance or alternator output under heavy loads like winches or refrigeration. Users report fewer surprise failures, making it a smart upgrade for full-timers or weekend warriors who demand dependable power monitoring.

Easy Integration into Your Setup

Powered by a simple 12 or 24-volt DC source—straight from your house battery bank—this meter installs quickly with included transformers. Mount it where you can glance at it while driving or lounging. Customize alarm thresholds to match your gear, and pair it with auto-start generators for hands-free reliability. It's rugged for vibrations and humidity, built to last through seasons of adventure.

Real-World Performance Tips

Pro tip: Use it to baseline your system's draw during peak times, like running microwave and coffee maker together. Adjust habits or add capacity based on data. In hot climates, monitor frequency drops from generator strain under cooling loads. Pairing with solar monitoring tools gives a full energy picture, maximizing off-grid stays.