Premium Automotive DMM is equipped for advanced automotive diagnostics. It is a CAT III 1000 volt rated meter, therefore safe to use on hybrids. Includes our model EST-100 infrared thermometer adapter, for measuring surface temperatures up to 1022 degree Fahrenheit or 550 degree Celsius. The peak min/max function measures transient voltages as fast as 1 millisecond. Premium Automotive DMM also measures the On-Time (pulse width) of fuel injectors and features a desirable 20 amperes test range. This unit is even waterproof to IP67 standards.