Temperature: High Thermometer reading: 450 F to 500 F Hand check: 1 to 2 seconds Temperature: Medium-high Thermometer reading: 400 F to 450 F Hand check: 2 to 4 seconds Temperature: Medium Thermometer reading: 350 F to 400 F Hand check: 4 to 5 seconds Temperature: Medium-low Thermometer reading: 300 F to 350 F Hand check: 6 to 7 seconds Temperature: Low Thermometer reading: 250 F to 300 F Hand check: 7 to 9 seconds If you’re just learning how to barbecue, this primer will help you get your grill started. Then, learn how to grill just about anything with this printer-friendly PDF.