日本奥普士OPTEX固定式在线测温仪SA-80T-4A产品说明：型号SA-80T-4ASA-80T-2A温度范围0to400℃0to200℃检出素子Thermopile光学系SilconLens精确度+/-2℃or+/-1%(whicheverisgreater)响应时间100msec输出4to20mA周围温度0to70℃波长8to14S：D06:01特点WaterproofCategory(IP67))