True RMS Digital Insulation Multimeter
Model KM-876
General Specification
• Sensing : AC, True RMS
• Display : 3-5/6 digits 6000 Counts Backlight LCD Display.
• 61 Segments Analog Bar Graph : 60 per second max.
• Auto or Manual-ranging mode.
• Auto Power Off.
• Polarity : Automatic
• Update Rate : 5 per second nominal
• Power Supply: Four Alkaline AA batteries
• Power Consumption: 4.5mA typical except : ACV +Hz & VFD ACV +Hz : 7.0mA
• Insulation Resistance @ 1mA Test Current :
50V output Voltage : 25mA, 100V output Voltage : 45mA
250V output Voltage : 85mA, 500V output Voltage : 170mA
1000V output Voltage : 440mA
• Tester can perform at least 950 Insulation Tests with new alkaline batteries at room temperature.
• These are standard tests of 1000V into 1MW with a duty cycle of 5 seconds on and 25 seconds off.
• Operating Temperature : -10 °C ~ 40 °C
• Relative Humidity : Maximum relative humidity 90% for temperature
up to 28 °C decreasing linearly to 50% relative humidity at 40 °C.
• Pollution degree : 2
• P Rating : IP40
• Storage Temperature : -20 °C ~ 60 °C, < 80% R.H. (with battery removed)
• Altitude : Operating below 2000m
• Temperature Coefficient : Nominal 0.15 x (specified accuracy)/ °C @(-10 °C~18 °C or 28 °C~40 °C), or otherwise specified.
• Low Battery : approx. 4.6V
• APO Timing : Idle for 20 minutes
• APO Consumption : 50mA typical
• Dimension : 208(L) X 103(W) X 64.5(H) mm with holster
• Weight : 635 gm with holster.
Features
• Paper White Backlight LCD Display
• Record MAX / MIN readings.
• Display Hold Function.
• Dual Digital Display.
• PI & DAR Function.
• Autoranging.
• Pass /Fail Insulation Resistance Compare function; 12 selectable Preset Values.
• BeepJack™ audible & visible input warning