UNI-T UT309A Infrared Thermometer -35C to 450C IP65 10:1 Ratio

Features1. 3m drop proof, IP652. Large LED display with backlight3. MAX/MIN/AVG/DIF modes4. High/Low temperature alarm with LED indication5. Locking measurement: no need to keep pressing trigger forcontinuous testing6. Datahold, auto power off functionSpecificationsRangeModelUT309ATemperature-35 ~ 450C-31~ 842FTemperature testing precision0C: 1.8C or 1.8%0C: +/-(1.8C + 0.1C/C)32F: 3.6F or 1.8%32F: +/-( 3.6F + 0.2F/F)Repeated accuracy1.0C or 0.8%Display resolution0.1C/0.1FD:S (Distance and Spot Diameter Ratio)10:10Response time250mS (95% readable)Emissivity (adjustable, step length: 0.01)0.95Laser countsingle laserLaser typetype 2 ()Laser power1mWLaser wavelength630nm ~ 670nmSpectral response8m ~ 14mFeaturesC/ F selectionLaser switchDisplay hold(s)8Data holdAuto power offLow battery indicationLocking measurementMAXMINDifferenceMeanHigh temperature alarm (red LED)Low temperature alarm (blue LED)LCD backlightPower-off memoryProtection gradeIP65Drop test3mTripod mounting holesGeneral CharacteristicsPower supply9V battery (6F22)LCD size32mm 29mmDevice colorred and greyDevice weight292gDevice size189mm 118mm 55mmStandard accessoriesbatteryStandard individual packingblister, user manual, warranty cardStandard quantity per cartonStandard carton sizeStandard carton gross weight