Koso PRO 1 Mutli Functions Meter by Koso.The new Pro 1 meter has a wide and bright backlit screen for easy reading even in the darkest conditions. It also features an RPM and temperature warning to help prevent damages to your engine. The Pro 1 meter is equipped with all the basic functions to provide you with important information: RPM reading, temperature and hour meter. Specifications (R= Range U=Unit) Tachometer R: 0 ~ 20,000 RPM | U: 100 RPM Total hour meter R: 0 ~ 99,999 H | U: 1 H Hour meter A/B R: 0 ~ 99.999 H | Unit: 1 H RPM warning / shift‑light R: 5,000 ~ 20,000 RPM | U : 100 RPM Backlight brightness R: 1/5 (darkest) ~ 5/5 (brightest) | U : 20% per level Effective temperature range 14 ~ 140 °F (‑10 ~ 60 °C) Maximum RPM record R: 0 ~ 20,000 RPM RPM input pulse R: 0.5, 1 ~ 6 Volt meter R: DC 8 ~ 18 V Thermometer R: 32 ~ 482 °F (0 ~ 250 °C) U: 0.1 °F or °C (alternative) Top temperature record R: 0 ~ 482°F (0 ~ 250°C) Instructions Download PDF
