Is the Smart Thermometer microwave, pressure cooker, steam oven, slow cooker, or Instant Pot safe? October 23, 2020 03:14 Updated No. Never submerge or expose the thermometer to excessive liquid, humidity, pressure, or use in the microwave. Related articles My turkey has pink juices. Is it safe to eat? Can I use the Smart Thermometer on my BBQ grill? What are the temperature limits? Where should I place the dock when cooking? How to Cook the Perfect Roast (Prime Rib)