True Rms Digital Insulation Multimeter
MODEL KM 887 ( 25 functions 51 ranges)
Special Features :
• VFD V & Hz readings
• LCD Backlight Display
• Record MAX/MIN regular readings.
• Display Hold Function.
• Dual Display +Hz readings.
• Relative zero mode.
• LOCK-Test mode for Insulation Resistance
• BeepJack™ audible & visible input warning.
• High resolution 60.00mV & 60.00 ranges.
General Specifications :
• Sensing : AC, True RMS
• Display : 3-5/6 digits 6000 Counts Backlight LCD Display.
• Update Rate : 5 per second nominal
• 61 Segments Analog Bar Graph : 40 per second max.
• Operating Temperature : -10ºC ~ 50ºC
• Relative Humidity : Maximum relative humidity 90% for temperature
up to
28ºC decreasing linearly to 50% relative humidity at 50ºC.
• Pollution degree : 2
• IP Rating : IP40
• Storage Temperature : -20 °C ~ 60 °C, < 80% R.H. (with battery removed)
• Altitude : Operating below 2000m
• Temperature Coefficient : Nominal 0.1 x (specified accuracy) /
°C @(-10ºC~18ºC or 28ºC~50ºC), or otherwise specified.
• Low Battery: approx. 4.6V
• APO Timing: Idle for 20 minutes
• APO Consumption: 20 µA typical
• Auto Power Off.
• Polarity : Automatic
• Power Supply: Four Alkaline AA batteries
• Power Consumption: 6.5mA typical except the followings : VFD ACV +Hz : 8mA
• 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 1M ω with a duty cycle of 5 seconds on and 25 seconds off.
• Dimension: 208(L) X 103(W) X 64.5(H) mm with holster
• Weight: 635 gm with holster.