Blue Sea 9353 AC Analog Voltmeter – 0–150V AC

Dependable Voltage Monitoring for Marine and RV Electrical Systems

The Blue Sea 9353 AC Analog Voltmeter provides clear and accurate voltage readings across a 0–150V AC range. Designed for marine and RV applications, this analog voltmeter helps you monitor shore power, onboard generators, or inverter output to ensure safe and reliable operation of your AC electrical system. Its traditional analog display eliminates glare issues and delivers real-time visual feedback, even in bright sunlight.

Key Features

• Voltage Range: 0–150V AC, suitable for both 120V and 240V single-phase systems.
• Easy-to-Read Dial: Marked in 5V increments with a backlit face for low-light visibility.
• Simple Installation: Two-wire connection to AC hot and neutral; meter senses and powers from the same connection.
• Durable Build: Rugged, corrosion-resistant construction designed for harsh marine and RV environments.
• Flush-Mount Design: Fits standard electrical panels with a clean, professional look.
• Fast Needle Response: Instantly detects voltage fluctuations for quick troubleshooting.

Compatibility

• Works with standard 120V and 240V AC shore power, generator, or inverter systems.
• Fits most marine and RV electrical distribution panels.
• Ideal for use in off-grid power setups where analog monitoring is preferred.

Ideal Use Cases

• Monitoring AC shore power connections on boats and RVs
• Checking generator performance and stability
• Detecting voltage drops caused by overloaded circuits
• Ensuring safe power delivery to sensitive onboard appliances

Why Voltage Monitoring Matters

Fluctuations in AC power can cause costly damage to appliances and electrical systems. The Blue Sea 9353 provides peace of mind by helping you spot low-voltage conditions, wiring issues, or overloaded circuits before they lead to equipment failure or unsafe operating conditions.

Frequently Asked Questions

Can this voltmeter be used for both 120V and 240V systems?

Yes. Its 0–150V AC scale makes it compatible with both 120V and 240V single-phase systems.

Is installation complicated?

No. The unit installs easily with just two wires (hot and neutral) and fits into standard panel cutouts with flush-mount hardware.

California Proposition 65 Warning

WARNING: This product can expose you to chemicals including di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit P65Warnings.ca.gov.