Intelligent Digital-Multimeter SRT-290

Basic functionbasic dataSRT-290DCVrange1-500Vaccuracy(%)±(1.5%+3)input impendance350KΩACVrange1-500Vaccuracy(%)±(1.8%+3)input impendance350KΩResistancerange10MΩaccuracy(%)≤200Ω±(2.5%+4), >200Ω±(2%+3)Continuity<30ΩSpecial functionSRT-290Low battery indicator√Max indicator1999overload indicatorALL or OLAuto/manualManualLCD size46.5*24.2mmLCD font height13.04mmsampling rate3 /sFrequency response(Hz)40 70Hzbattery typeAAA 1.5v*2battery use life200hProtectiontransistor and PTCworking temperature0°C 40°C RH≤75%storage temperature'-10°C 50°C RH≤75%safetyCATII 500V.CAT III 300V