"Compact black anodized aluminum block with matte chrome fittings offer an extremely portable solution to fit the needs of every busy technician","Easily perform pressure/temperature calculations for up to 91 different refrigerants including R134a, R410a and R22 refrigerants","Unit conversion between MPa, kPa, bar, psi, kg/cm2, inHg","Large 4-digit “blue” backlit LCD display provides vibrant readings in even the darkest of environments","Displays alarm indication when over range, celcius or fahrenheit designation and low battery warning directly on the LCD screen","Large sight glass for quick visual refrigerant checks","Easy to grip knobs DIGITAL MINIFOLD FOR 1234YF AC82172 | Matco Tools