UNI-T UT309D Professional Infrared Thermometer EBTN Screen, 20 Sets of Data Storage UT-309D

EBTN screen, 20 sets of data storage (UT309D)
Color EBTN screen, 20:1 D:S ratio, 99 sets of data storage, time scheduled measurement (UT309E)

Specifications UT309D
Temperature range -35℃~650℃
-31℉~ 1202℉
Accuracy ≥0℃: ±1.8℃ or ±1.8%
<0℃: ±(1.8℃+0.1℃/℃) ≥32℉: ±3.6℉ or ±1.8% <32℉: ±(3.6℉+0.1℉/℉) D:S ratio 12:01 Response time <250ms Emissivity 0.1~1.0 (adjustable) Spectral response 8um~14um Laser power < 1mW Features Auto power off √ Low battery indication √ LCD display EBTN High/low LED alarm √ Data hold √ ℃/℉ selection √ MAX/MIN/AVG/DIFF mode √ Lock measurement √ Dual lasers √ Data storage with date and time 20 Scheduled measurement - Monitoring measurement - Protective function - Operating temperature 0℃~50℃ (32℉~122℉) Storage temperature   -20℃~60℃ (-4℉~140℉) Operating humidity <90%RH (non-condensing) Drop test 3m IP rating IP65 General Characteristics Power 9V battery Display 32mm x 32mm Product color Red and grey Product net weight 292g Product size 189mm x 118mm x 55mm Standard accessories Battery, carrying bag