It's particularly hard to use the thermometer correctly if your baby is under three months. Her ear canals are likely to be too small. But if your baby is older, here's how to use an ear thermometer: Don't use a strip-type thermometer, which you hold on your baby's forehead, to check your baby's temperature.
For medium rare on a 1 inch top sirloin boneless steak, total cooking time should be about 8 to 10 minutes. For a 2 inch boneless top sirloin total cooking time of about 18 minutes will give medium rare results. Ideally, you should be using a great instant-read meat thermometer.
How to Grill Perfect Sirloin Steaks. The high heat of grilling sears the surface of beef, creating tender meat with a flavorful crust. The required cooking temperature and the method of grilling (direct, indirect, or a combination of the two) depends on the cut of beef and the quality of the meat.