Blue Sea Systems 1741 Mini OLED Temperature Monitor

Blue Sea Systems Mini OLED Temperature Monitor (1741-BSS / 1741)

The Blue Sea Systems 1741-BSS (Catalog SKU: 1741) is a compact, high-contrast Mini OLED Digital Temperature Monitor engineered for real-time monitoring of engine spaces, battery compartments, cabins, or refrigeration units on marine vessels, RVs, and commercial vehicles. Featuring a high-resolution, bright organic LED (OLED) screen, it delivers outstanding daytime visibility and wide viewing angles while maintaining low power consumption.

Designed for standard 1-1/8" (29 mm) round cutouts, the unit fits seamlessly into existing dashboard panel holes, 12V socket locations, or custom switch panels. The monitor reads across a wide temperature range from -40C to 125°C (selectable display in Fahrenheit or Celsius) and comes complete with a precision external temperature sensor probe on an extended wire harness.

Key Features

• High-Contrast OLED Display: High-resolution blue OLED screen is easily readable in direct sunlight and from extreme side angles.

• Wide Measurement Range: Accurately measures temperatures from -40°F to  250°F (-40°C to 125°C).

• User-Selectable Units: Easy configuration to display readings in either Fahrenheit (°F) or Celsius (°C).

• Standard 1-1/8" Cutout: Installs into standard 12V accessory socket cutouts or 360 Panel socket modules.

• Reverse Polarity Protected: Built-in electronic protection prevents damage if wired backward during installation.