single dual input thermocouple thermometers datalogger features:1:User selectable C/F2:Type K/j thermocouple3:Single/Dual thermocouple input4:wide variety of interchangeable thermocouple probes5:Max/Min/AVG record6:differential temperature7:Scan function8:LCD display with backlight9:dataloggersingle dual input thermocouple thermometers datalogger specifications:RangeType K-200℃ ～1370℃(-328℉～2498℉)Type J-200℃ ～ 1100℃(-328℉～2012℉)AccuracyType K-200℃～0℃(-328℉～32℉);±(0.5%rdg+2℃/3.6℉)0℃～1000℃(32℉～1832℉);±(0.15%rdg+1℃/1.8℉)1000℃～1370℃(1832℉～2498℉);±(0.5%rdg+1℃/1.8℉)Type J200℃～0℃(-328℉～32℉);±(0.5%rdg+2℃/3.6℉)0℃～1000℃(32℉～1832℉);±(0.15%rdg+1℃/1.8℉)1000℃～1100℃(1832℉～2012℉);±(0.5%rdg+1℃/1.8℉)Resolution0.1℃/ ℉  <1000 ,  1℃ / ℉ / > 1000AVGThe average value for latest 10 readingsPower Supply9V batteryPower LifeAt least 30 hoursOperating conditions-20℃～60℃,10％RH～90％RHStorage conditions-20℃～60℃,10％RH～75％RHDimensions(L*W*H)185*66 *33 mmWeight245gsingle dual input thermocouple thermometers datalogger pictures:Recommendations:Oil Water Digital ManometerPocket IR ThermometersLaser Gun Type High Temperature Pyrometer Usb