Fluke FLU77-4 1000V Digital Multimeter has the features needed to repair most electrical and electronic problems. This meter is simple to use and has significant improvements over Fluke's original 70 Series with more measurement functions, conformance to the latest safety standards and a much larger display that's easier to view. Large white LED backlight to work in poorly lit areas. Specifications: Range: 6.000V - 1000V, Best Accuracy: +/- (0.3% + 1), Best Resolution: 0.1 mV, Voltage AC Range: 600.0 mV-1000V, Best Accuracy: +/- (2.0% + 2), Best Resolution: 1.0 mV, Amps AC Range: 60.00 mA - 10A, Safety: ANSI/ISA S82.02.01, CSA C22.2-1010.1, IEC 61010 to 1000 V Measurement Category III, 600 V Measurement Category IV.