PRE OWNED SIMRAD IS12 E03897W SIMRAD IS12 DIS E03897W ANEMOMETER DISPLAY

The Simrad IS12 Wind display is one of the most recognizable "hybrid" instruments in the marine world, featuring a unique combination of a traditional analog pointer for direction and a digital LCD for precise speed and angle data.

As a "Used" item, it is incredibly popular because it is entirely self-contained—meaning the processing happens right in the display head.

PRODUCT DATA SHEET: SIMRAD IS12 WIND DISPLAY (USED/REFURBISHED)

PRODUCT OVERVIEW

The Simrad IS12 Wind (Part No. E03897) is a dedicated marine instrument providing clear, real-time wind data. It is designed with a high-contrast analog scale to show Apparent Wind Angle (AWA) at a glance, while the integrated 13-segment digital LCD provides high-resolution data for wind speed and specific angles. Built on the high-speed SimNet bus, it can act as a standalone system or integrate with a full suite of IS12 instruments to calculate True Wind data.

TECHNICAL SPECIFICATIONS

Model: Simrad IS12 Wind

Display Style: Analog Needle (360°) + Digital LCD

Speed Units: Selectable (Knots, m/s, mph, or Beaufort)

Input/Network: SimNet (High-speed bus)

Power Supply: 12V DC (9V to 16V)

Power Consumption: 40mA (Lights Off) / 60mA (Lights On)

Environmental: IP66 (Front face)

Dimensions: 110mm x 110mm (Square bezel)

Backlighting: Adjustable (Green) for night navigation

KEY FEATURES & APPLICATIONS

Hybrid Visualization: The analog needle provides a "radar-style" reference for the wind’s direction relative to the boat, while the digital screen gives precise readouts—ideal for both casual cruising and competitive racing.

Close-Hauled Mode: By pressing the INFO key, the digital display can switch to a "Magnified" close-hauled view, helping sailors maintain the tightest possible upwind angle.

True Wind Calculation: When networked with an IS12 Speed or Combi unit, the display automatically calculates and displays True Wind Speed (TWS) and True Wind Angle (TWA) by factoring in the boat's speed through the water.

High Wind Alarm: A user-definable threshold that triggers an audible and visual alarm if wind speeds exceed safe limits—perfect for coastal cruising or overnight anchoring.

Daisy-Chain SimNet: Features two SimNet ports on the rear, allowing for simple "plug-and-play" connection to other repeaters without complex wiring.

Retrofit Friendly: The 110mm square format is a standard size, making it a perfect "drop-in" replacement for many older VDO or Raymarine instruments.

TYPICAL CONDITION (USED/REFURBISHED)

Needle Calibration: In used units, we check that the analog pointer moves smoothly and returns to "0" (Head to Wind) accurately during the startup self-test.

LCD Health: The digital display is inspected for "ghosting" or faded segments, which can happen with prolonged UV exposure.

SimNet Ports: We verify that the blue and yellow rear ports are free of salt-corrosion (verdigris) to ensure stable data transfer.

Pairing Note: If a replacement Masthead Unit (MHU) is connected, you may need to hold the LIGHT button for 3 seconds during power-up to "Force-ID" the new sensor on the network.

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