Unverified50% confidenceDecision RuleTime unknown

光电式传感器对阴燃火（棉被、沙发、电线老化冒烟）响应快，是家用首选；离子式对明火响应快但含微量放射性元素，多国已限制家用

0

Sources

50%

Confidence

Long-term

Relevance

-

First Seen

Sources

Related Entities

独立式烟感报警器category

Related Claims

Unverified人体感应夜灯选PIR红外传感器（感应移动的热源）而非微波雷达传感器：PIR功耗低、待机久，适合电池款；微波会穿墙误触发但能感应静止微动，适合需要持续照明的场景72% similar Unverified微波感应器有微量持续电磁辐射且始终工作(检测多普勒频移)，长时间近距离停留处(如床头、婴儿房)介意的人选红外PIR，红外为被动接收无辐射发射71% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/355238

API

curl https://kongchang.com/api/v1/knowledge/claims/355238

MCP

get_claim(id=355238)