Koso X-2 BOOST GAUGE WITH WIDEBAND AIR/FUEL RATIO
Koso X-2 BOOST GAUGE WITH WIDEBAND AIR/FUEL RATIO by Koso.
This X‑2 multifunction unit is a great tool for all horsepower enthusiasts that are upgrading their engine with turbo or supercharger. Following many requests, we came up with a unit that combines boost pressure, air/fuel ratio and a temperature function which can be installed on the cooling system or the intercooler. This meter is made to resist cold temperature, snow, water and dust. The X‑2 meter will give you precious informations to help you pull out more horsepower out of your engine or can save it from bad damages. Specifications (R= Range U=Unit) Digital boost pressure R: 0 ~ 15/30 psi | U: 0.5 psi Peak recall positive R: 10 ~ 30 psi | U: 1 psi negative R: -1 ~ -30 psi | U: 1 psi Level boost pressure 15 psi R: 0 ~ 15 psi | U: 0.5 psi 30 psi R: 0 ~ 30 psi | U: 1 psi Boost pressure warning R: 1 ~ 30 psi Digital air/fuel ratio R: 9 ~ 24 | U: 0.1 Level air/fuel ratio R: 9 ~ 21 | U: 0.2 Over LEAN setting R: 14.8 ~ 24 Over RICH setting R: RICH 14.6 ~ 10 Warning function Screen changes blue to amber Compatibility 2 stroke or 4 stroke engines ”2 stroke adaptor” BG001855 is mandatory when used on a 2 stroke application Requires a DC 12 V battery absolutely (will not function with our AC/DC converter) ! Temperature R: 32 ~ 482 °F (0 ~ 250 °C) U: 0.1 °F or °C (alternative) Over temperature setting R: 140 ~ 482 °F (0 ~ 250 °C) | U: 1 °F (°C) Indicator lights AFR (green), High AFR (red), Low AFR (red), Pressure (red), Temperature (red) Effective temperature range 14 ~ 140 °F (‑10 ~ 60 °C) Effective voltage DC 12 V Wire length Standard : ±5'6'' Longer wire :±11' Sensor included Boost sensor: BF521000 Bosch oxygen sensor: 28-BOSCH Temp. sensor: BF030000 Waterproof JIS D 0203S2 Meter size (W x L x H) 100 x 60 x 25 mm Meter Weight ±200g Instructions Download PDF