If our products have any problems, we can provide replacement / Return Service, welcome to contact us anytime!Please contact us if you have any questions about the product.Feature● TFT-LCD True-color LCD display● touch screen● Fast,Medium,Low scanning speed● Cold Junction Compensation● Mini-USB interface● The function of broken thermocouple checking● ATS42 data acquisition software● 8.4V, Li battery poweredApplication● Apply to home appliance,motors,heating appliance,temperature controller,transformer,oven,thermal protector,power supply,lighting,electric power,LED and so on.SpecificationGraduation Thermocouple:J/K/T/E/S/N/BAccuracy 0.2%+1℃Range -200C~1300C(variation depend on graduation)Resolution 0.1CChannels 8 channelsSpeed Fast:100ms/channel Medium:500ms/channel Low:1s/channelCorrection Error correction for each channelComparator High & low beep functionInterface Mini-USBHigh & low beep functionCold Junction Accuracy:0.5℃2.8 inches True-color 16M TFT-LCD LCD display, touch screen, USB communication, compatible SCPI instruction set, switch in both English and Chinese;adjustable back light; automatic power offInput:100-240V~50/60Hz 0.35A Output:9V 1A DC8.4V, Li, 1400mA rechargeable batteryT thermocouple 8 teams(2m/team) ATL909: DC power adaptor ATL805: Lithium battery ATL105Mini-USB communication cable ATS42 data acquisition software