Identify whether the thermometer is leave-in
Look for explicit wording such as oven-safe, in-oven, wireless cooking probe, or leave-in. If the manual calls it instant-read, use it only for sampling.
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Guide
Yes, but only with an oven-safe leave-in thermometer. Remove instant-read models after each check unless their instructions explicitly say otherwise.

Look for explicit wording such as oven-safe, in-oven, wireless cooking probe, or leave-in. If the manual calls it instant-read, use it only for sampling.
Center the internal sensing area in the thickest meat, away from bone, fat, and the cooking surface. Keep any marked safety line inserted as directed.
Keep the base outside the oven when required. Do not expose a cable, handle, or probe to direct flame or temperatures beyond its separate limits.
A leave-in probe monitors one location. Check other thick or irregular areas with a suitable thermometer before deciding the entire food is ready.
Use heat-resistant gloves, because metal probes and wires can remain hot. Clean the food-contact surface according to the manufacturer instructions.
Common questions
Metal construction alone does not make it oven-safe. Leave it in only if the exact model is designed and rated for continuous cooking.
MEATER is designed as a leave-in wireless cooking probe, but follow the insertion line, cooking-method guidance, and heat limits for your exact model.
No. USDA describes instant-read thermometers as sampling tools used near the end of cooking, not devices to remain in the oven.
Yes when it is an in-oven design. Route the lead as instructed, keep the base outside the oven, and avoid flame or pinching.