At DMG Motorsports, we present the KOSO DL-03A Air/Fuel Ratio & RPM Data Logger, a compact tuning gauge designed to help monitor engine performance with clear air/fuel ratio, RPM, voltage, and playback information. The large backlit display is easy to read, while the universal design and available 6-foot or 12-foot cable options support a wide range of installations.

Features:

• Displays air/fuel ratio, RPM, volts, and recorded data playback
• Air/fuel ratio display range of 9.0–24.0
• Tachometer range of 0–14,000 RPM
• Records up to 50 sessions with approximately 3.15 hours of total recording time
• Playback modes include real-time, 1/3-speed, 3x-speed, and rewind
• Large digits with adjustable white backlight brightness
• Compact, lightweight meter measuring approximately 72 x 32.3 mm and weighing about 100 g
• Operates on DC 12V power
• Includes an LSU 4.9 oxygen sensor
• Universal application with black bezel
• Available with a 6-foot or 12-foot extension cable