The R9200 is a handheld meter used to check microwave ovens for door-seal leakage, measuring emitted microwave radiation over a 0 to 9.99 mW/cm2 range with roughly +/-1 mW/cm2 accuracy. It has a backlit 4-digit LCD with max-hold function, low-battery indicator, and built-in audible/visual alarms that trigger at the 5 mW/cm2 safety threshold defined by EN-61000 standards. Runs on a single 9V battery and ships with a soft carrying case, making it a quick safety-compliance tool for appliance repair techs and food-service inspectors.