description true rms 1000 v, 600 a electrical tester the greenlee? true rms 1000 v, 600 a electrical tester easily and automatically delivers readings of voltage, amperage and resistance. the greenlee 600 a electrical tester can also perform an audible continuity test, making it a full-featured electrical measurement device. it has true rms technology for optimal precision when harmonics are present. its low impedance minimizes the readings of stray or "ghost" voltage to ensure greater accuracy. the greenlee true rms 1000-volt electrical tester can store important readings with its data hold feature for easy access to high priority measurements. its high-resolution lcd display automatically illuminates for easy reading in dark places. the greenlee 600 a electrical tester helps preserve its battery life by automatically turning off when not in use. california proposition 65 warning. features comes with 9v battery, test leads and handy carrying case delivers automatic measurements of voltage, amperage and resistance can administer audible continuity tests true rms ensures high accuracy when harmonics are present low impedance helps prevent stray or "ghost" voltage measurements data hold feature stores important measurements greenlee true rms 1000-volt electrical tester features high-res lcd display automatic off feature helps conserve battery life lifetime limited warranty specifications ac current accuracy 0.6 to 170.0 a (accuracy a ± (1.9% + 1 a)), 170.1 to 600.0 a (accuracy ± (1.9% + 2 a)) ac voltage accuracy ± (1.5% + 0.3 v) ac voltage range & resolution ac v: 1.3 to 999.9 vac acme tools brand name greenlee acme tools part number cmt-90 additional contents (1) 9 v battery, test leads, carrying case assembled weight (lbs) 1.64 battery type 9-volt california proposition 65 warning required no case included yes country of origin taiwan data hold yes dc voltage accuracy 1.8 to 999.9 v (accuracy ± (1.0% + 0.2 v)), ??.6 to ??99.9 v (accuracy ± (1.0% + 0.4 v)) globaltradeitemnumber (gtin) 00783310121237 housing color / finish green/yellow housing material plastic internal supplier part # 50121235 internet product code (ipc) 806db0b4a25 lead length (in) 39 manufacturer warranty lifetime limited warranty operating temperature range 0 °c to 30 °c (32 °f to 86 °f), 0% to 80% relative humidity, 30 °c to 40 °c (86 °f to 104 °f), 0% to 75% relative humidity, 40 °c to 50 °c (104 °f to 122 °f), 0% to 45% relative humidity package depth 1.5 package height 8 package weight 2 package weight (lbs) 1.72 temperature range 0 °c to 30 °c (32 °f to 86 °f), 0% to 80% relative humidity, 30 °c to 40 °c (86 °f to 104 °f), 0% to 75% relative humidity, 40 °c to 50 °c (104 °f to 122 °f), 0% to 45% relative humidity upc 783310121237