The Compact true-rms meter for field service technicians. The Fluke 115 is the solution for a wide variety of electrical and electronic testing applications . Key Feature : Large white LED backlight to work in poorly lit areas Resistance and continuity Min/Max/Average to record signal fluctuations CAT III 600 V safety rate Special Specifications : Maximum Voltage between any terminal and Earth Ground : 600 V Surge Protections : 6 kV Bar Graph : 33 Segments , Update 4 Per Seconds Battery Life : 400 Hours Typical