精密型紅外測溫儀 ST840 非接觸式精確測溫,內(nèi)置式激光瞄準器 自動數(shù)據(jù)保持及自動關(guān)機(15秒鐘后自動關(guān)機) 距離與目標尺寸比為D:S=12:1 白色背光液晶顯示屏 分辨率:0.2°C(0.4°F),可選擇°C/°F 過載顯示:--0L-- 量程:-25~840°C(-13~1,544°F) 采樣率:0.5秒 發(fā)射率:0.99/0.95/0.89/0.85/0.79/0.75 光譜反應:6~14µm 電 源:單個9V電池 測量精度:-25~840°C,±(1.5%+1°C) -13~1,544°F,±(1.5%+1°F) 操作溫度:0~40°C(32~104°F) 操作濕度:10~80%RH PRECISE INFRARED THERMOMETER MODEL: ST840 Noncontact measuring. Inside laser aimer. White backlight LCD. D:S=12:1 Auto-data hold and auto-turn off (Auto turn off after 15sec. when release the button). A great many of emissivity symbol. Use abroad: can used for food, safety-inspect, fire inspect, power vehicle and diesel engine, plastic factory etc. Can select °C/°F. TECHNOLOGY SPECIFICTIONS Resolution: 0.2°C(0.4°F) Measuring range: -25~840°C(-13~1,544°F) Response time: 0.5sec Spectral response: 6~14µm Emissivity: 0.99/0.95/0.89/0.85/0.79/0.75 Battery: one 9V battery Measuring precision: -25~840°C, ±(1.5%+1°C) -13~1,544°F, ±(1.5%+1°F) Ambient operating range: 0~40°C(32~104°F) Relative humidity: 10~80%RH |