numerical reader造句

At what temperature do fahrenheit and celsius thermometers give the same numerical reading ?
在什么温度时华氏温度计和摄氏温度计指示的读数相同？
This product is a type of professional handset infrared rays used thermometer , not need to touch with testing object , with facility - using , stability - design , exactitude - measurement , wide - measuring range . it has laser ranging , apheliotropic display , automatic numerical reading lock - in and automatic tailoff
手持式红外线本产品是一种专业型的手持式非接触红外线测温仪，使用简易，设计坚实，测量准确度高，测温量程范围宽等特点。
It's difficult to find numerical reader in a sentence. 用numerical reader造句挺难的