sulation Resistance Tester with Test Range 100kΩ to 5TΩ Current Limit 10mA Model TH2683A TH2683B Resistance Test Test Range 100kΩ -10TΩ 100kΩ -5TΩ Test Accuracy I& 65310;10nA:±2%, I≤10nA:±5% Current Test Test Range Range1: 100uA - 1mA, input internal resistance: 10kΩ, Range2: 10uA - 100uA, input internal resistance: 10kΩ, Range3: 1uA - 10uA, input internal resistance: 10kΩ, Range4: 100nA - 1uA, input internal resistance: 10kΩ, Range5:10nA - 100nA, input internal resistance: 1MΩ, Range6:1nA - 10nA, input internal resistance: 1MΩ. Test Accuracy ±2%+3pA Voltage Test Range 1V - 1000V 1V - 500V Accuracy Voltage≥10V:±1%+1V, Voltage& 65308;10V:±10%+0.1V. Current Limit 10mA Switch Turn it on or off manually on the front panel, or through the built-in timer control or remote control. Charging Time 0& 65374;999s, programmable. Test Delay 0& 65374;999s, programmable. Test Speed Fast:≤30ms, Slow:≤60ms. Comparator Function 4 bins: 3-bin pass, 1 bin fail. Range Mode Auto, Hold. Storage Internal storage, USB. Standard Interface RS232C,USB HOST, USB DEVICE, HANDLER. General Technical Parameter Working Humidity 10& 8451;& 65374;40& 8451;& 65292;≤90%RH Power Requirement 90& 65374;121V AC (60Hz) or 198& 65374;242V AC (50Hz) Power & 65308;50VA Volume 235mmX104mmX360mm Weight 3.6kg