Sea-Dog OLED Round Voltmeter 421600-1, 8–60VDC Marine Voltage Monitor

OLED Voltmeter - Round

The OLED (Organic LED) Voltmeter is designed to withstand constant vibration and the rigors of a marine environment. Monitors voltage on a bright, waterproof, daylight readable OLED screen. High contrast and resolution make this screen visible from a wide viewing angle, even with polarized sunglasses. Reverse polarity protected. Constructed of injection molded nylon with terminal spade contacts. Installation is as easy as drilling a 1-1/8" hole, inserting the socket body, tightening the locking nut, and connecting the wires. Also fits Sea-Dog Power Socket Shell (426100) and Mounting Bracket (426105). Input 8-60VDC. IP66 rating.

WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Sea-Dog OLED Voltmeter - Round

Monitor your boat’s electrical system with the Sea-Dog OLED Round Voltmeter 421600-1. Designed for marine environments, this digital voltage monitor provides a bright, waterproof, daylight-readable OLED screen that helps boat owners quickly check system voltage while underway or at the dock. Its high-contrast, high-resolution display remains visible across a wide viewing angle, including when viewed through polarized sunglasses.

Built to withstand constant vibration and demanding marine conditions, the Sea-Dog OLED Voltmeter features reverse polarity protection and an IP66 rating. The injection-molded nylon housing and terminal spade contacts support a clean, durable installation. Mounting is straightforward: drill the required opening, insert the socket body, secure it with the locking nut, and connect the wires. This round voltmeter also fits the Sea-Dog Power Socket Shell 426100 and Mounting Bracket 426105, making it a practical choice for compatible marine electrical installations.

Key Features:

• OLED display: Bright, high-contrast, high-resolution screen supports clear voltage monitoring in daylight.
• Wide viewing angle: Remains visible from multiple viewing positions, including through polarized sunglasses.
• Marine-ready construction: Designed to withstand constant vibration and the rigors of a marine environment.
• Waterproof design: IP66-rated construction helps protect the voltmeter in marine applications.
• Reverse polarity protection: Helps protect the unit during wiring installation.
• Broad voltage input: Monitors 8–60VDC electrical systems.

Product Details:

• Brand: Sea-Dog
• Part number: 421600-1
• Product type: Round OLED voltmeter
• Input: 8–60VDC
• Rating: IP66
• Housing material: Injection-molded nylon
• Contacts: Terminal spade contacts
• Compatible accessories: Sea-Dog Power Socket Shell 426100 and Mounting Bracket 426105
• Installation: Requires a 1-1/8-inch mounting hole; locking nut included as part of the installation design

California Proposition 65 Warning: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.

Add dependable, easy-to-read voltage monitoring to your compatible marine electrical system with the Sea-Dog OLED Round Voltmeter 421600-1.

SEO Meta Description: Monitor marine electrical systems with the Sea-Dog OLED Round Voltmeter 421600-1, featuring an IP66 OLED display and 8–60VDC input.