KOSO EFI Multimeter Multifunction Digital Instrumentation

The KOSO EFI Multimeter is a must-have tool for advanced EFI engine monitoring. Featuring a digital tachometer, dual thermometers, optional air/fuel ratio measurement, and voltmeter, it ensures precise control over engine performance, even at high speeds.

Key Features:

• Digital tachometer with adjustable scale: 10,000, 15,000, or 20,000 RPM.
• Dual thermometers with temperature alarm.
• Optional air/fuel ratio (A/F) measurement.
• Voltmeter to monitor vehicle voltage.
• Programmable shift light and alarms for RPM and temperature.
• Easy-to-read large numbers with intuitive design.

Technical Specifications:

• Digital Tachometer:

  • Range: 0 ~ 20,000 RPM.
  • Display unit: 100 RPM.
  • Graphical segments (60 levels):
    • 10,000 RPM: 166 RPM/segment.
    • 15,000 RPM: 250 RPM/segment.
    • 20,000 RPM: 333 RPM/segment.

• Thermometers A/B:

  • Range: 0 ~ 250°C (32 ~ 482°F).
  • Accuracy: 0.1°C (°F).

• Temperature Alarms:

  • Range: 60 ~ 250°C (140 ~ 482°F).
  • Accuracy: 1°C (°F).

• Air/Fuel Ratio (A/F):

  • Range: 12.1 ~ 16.8.
  • Accuracy: 0.1.

• Voltmeter:

  • Range: DC 8 ~ 18.0 V.
  • Accuracy: 0.1 V.

• Power Supply:

  • Battery: CR 2032.
  • Voltage: DC 12V.

• Dimensions and Weight:

  • Size: 87.5 x 42 x 20.8 mm.
  • Weight: ±72 g.

• Operating Temperature: -10 ~ 60°C (14 ~ 140°F).