Dijital 1000A Ac/dc Pens Ampermetre/Termometre/Ncv Manual and Auto Mode Power Overload Protection Maximum Voltage Between Circuit and Ground: 1000V AC or 1000V DC Maximum Working Height: 2000m Display: LCD Maximum Display Number: 5999(Clamp), 9999(IRT) Auto Polarity Indication: “-” Indicates Negative Overload Indication: “0L” or “-0L” Sampling Frequency: 4 times/sec(Clamp), 2 times/sec(IRT) Units Display: Display Functions and Units. Auto Power Off: 20 Minutes.(Clamp), 15 sec(IRT) Battery Type: AAA x 3 (Clamp), LR44 x 2(IRT) Low Battery Indication: LCD Display “ ” RT distance to spot ratio: 6:1 Emissivity: fixed 0.95 Temperature: Less than 0.1 x Specified Accuracy/°C Working Environment Temperature: 18℃ ~28℃ Storage Temperature:-10℃ ~50℃ Size: 238×92×50 mm Weight: ~420 g (Including battery) Safety Rating: CE ETL CAT.II 1000V/CAT.III 600V RoHS