Faria Chesapeake Black 4-Inch Tachometer - 4000 RPM for Diesel Engines

Chesapeake Black 4" Tachometer - 4000 RPM (Diesel) (Mechanical Takeoff Var Ratio Alt)

Perimeter-lighted Black dial with stylish Blue and White graphics, polished stainless steel bezel, contoured white pointer and domed glass lens.

Electronic tachometers work by counting pulses generated by the ignition system, alternator, tach signal generator or magnetic pickup sender. The tach is hooked up to +12VDC, Ground and one of the signal sources listed above.

By selecting the right tach and setting the switch on the back to the correct position you let the tachometer know how many pulses are sent per each engine revolution.

4" - Hole size: 3.375" (85mm)

Specifications:

• Anti-scratch glass lens
• Perimeter lighted back light
• 12 VDC negative ground
• Can be adapted for 24 VDC systems

Factory P/N TD9127

*Sold as an Individual

**Gauge Cover not Included

The Faria Chesapeake Black 4-Inch Tachometer is an essential instrument for monitoring engine performance on diesel-powered vessels and equipment. Featuring a sleek black perimeter-lighted dial with stylish blue and white graphics, this tachometer combines functionality with a modern aesthetic. The polished stainless steel bezel adds durability and a professional look, making it suitable for marine and industrial environments. The domed glass lens provides protection against scratches and glare, ensuring clear readability in various lighting conditions. This tachometer operates by counting pulses generated by the ignition system, alternator, tach signal generator, or magnetic pickup sender, providing accurate engine RPM readings. With a simple hookup to +12VDC, Ground, and a signal source, it offers flexible installation options. The back switch allows users to select the correct pulse setting, matching their engine's specifications for precise measurement. The 4-inch diameter gauge is designed to fit a 3.375-inch (85 mm) mounting hole, making it a versatile choice for most control panels. Constructed for durability, the tachometer features an anti-scratch glass lens and perimeter backlighting for visibility in low-light conditions. It is compatible with 12 VDC negative ground systems and can be adapted for 24 VDC systems, making it suitable for a wide range of marine and industrial applications. The Faria P/N TD9127 is sold individually, allowing for flexible installation. Please note that gauge covers are not included, and the product may not be returned to the original point of purchase. For any issues or concerns, contact the manufacturer directly to ensure optimal performance and support. This tachometer is an essential tool for operators seeking reliable engine monitoring, helping to optimize engine health and efficiency while preventing over-revving and potential damage.

Features:

• Perimeter-lighted black dial with blue and white graphics for clear visibility

• Polished stainless steel bezel for durability and aesthetic appeal

• Domed glass lens provides scratch resistance and glare reduction

• Electronic operation by counting pulses from ignition, alternator, or magnetic pickup sender

• Selectable pulse setting via switch on the back for accurate engine RPM measurement

• Designed for 4-inch mounting hole (3.375 inches diameter), suitable for most control panels

• Anti-scratch glass lens enhances durability and longevity

• Backlit perimeter lighting for visibility in low-light conditions

• Compatible with 12 VDC negative ground systems; adaptable for 24 VDC systems