As low as $16.80/mo with or . (Pay in 4 interest-free payments)
KOSO Proton Temperature Meter Accurate, compact and motorsport-ready — the KOSO Proton Temperature Meter gives you reliable coolant and oil temperature readings in a lightweight, easy-to-install package designed for a wide range of performance vehicles. Wide temperature range: Displays 32° to 302°F (0° to 120°C) with selectable Fahrenheit or Celsius. Large, clear LCD: High-contrast display for quick readings under all lighting conditions. Lightweight & compact: Low-profile design with removable face plate and all necessary mounting hardware for a clean installation. Versatile sensor options: Includes a sending unit with 1/8″ pipe thread; optional sensors available for cylinder head measurement. Hose adapter sold separately. Memory peak hold: Records and retains the highest temperature until you reset it — ideal for performance monitoring and troubleshooting. Easy power: Runs on a replaceable CR2032 battery for simple maintenance and long service life. Whether you're tuning a race bike, monitoring a street performance car or tracking engine health on the track, the KOSO Proton Temperature Meter delivers precise temperature data in an installation-friendly design. Order sensors and adapters as needed to match your application.
The Proton water temperature meter will provide you with a precise reading of your engines coolant temperature
Designed to function on virtually any motorsport vehicle as it operates with a CR2032 replaceable battery
This light weight compact gauge features a large LCD display for easy reading and a removable face plate with all necessary hardware providing a simple and clean install
Displays water or oil temperature from 32° to 302°F (0°~120°C)
Reads in Fahrenheit and Celsius
Includes sending unit (1/8” pipe thread)
Can be used for cylinder head temperature (order optional sending unit)
Order water temperature sensor hose adapter separately
or 
. (Pay in 4 interest-free payments)
