Air/Fuel Marker and RPM LED Indicator DL-03A Koso

Air/Fuel marker and RPM LED indicator DL-03A Koso.

Displays the air-fuel ratio, features an RPM data logger, and can optimize driving performance.

It is multifunctional, integrating a tachometer, a digital voltmeter, and 5 different LED indicator lights. Heated display, which optimizes screen visibility in cold weather conditions.

The large digits and bright backlighting also make reading easier, and the meter is easy to use, compact, lightweight, and can be mounted on many vehicles such as snowmobiles and UTVs.

Features

Tachometer

• R: 0 ~ 14,000 RPM
• U: 1 level = 1,000 RPM

Air/fuel ratio

• R: 9.0 ~ 24.0

LEAN adjustment

• R: LEAN 14.7 ~ 24

RICH adjustment

• R: RICH 9.0 ~ 14.7

Sensor type

• Bosch oxygen sensor: LSV 4.9

Compatibility

• 2-stroke or 4-stroke engines

The "2-stroke adapter" BG001855 is optional when used on a 2-stroke engine.

Power supply

• Absolutely requires a DC 12 V battery, does not work with the AC/DC converter

Records

• Number of records: 50 sessions

Recording time

• R: 99'59'99 seconds | TR: approx 3.18 Hr

Playback speed

• 1 x play / pause
• 3 x play / pause
• 1/3 x play / pause
• 1 x rewind / pause

Digital voltmeter

• R : DC 5 ~ 24 V

Adjustable flashing number interval

• DC 8V to DC 18V

Heated display
Optimized visibility in cold weather
Backlight brightness

• R: 3 levels

Indicator lights

• 5 red LED warning lights

Effective temperature

• R:14 ~ 140 °F (-10 ~ 60 °C)

Effective voltage

• 12 V DC