• Meas. voltages : 50 - 1,000V DC (5ranges)
• Meas. range : 0.25 - 2 x 107MΩ (6ranges)
• Digital/analogue display on LCD
• Super insulation meter of standard type : 50 - 1,000V DC
• Compatible with insulation resistive meter for export approved products
• Equipped with charge-discharge function (standard spec)
• Equipped with timer, remote starter, comparator & HV-EN function (standard spec)
• Compatible for measurement of several sample types with electrode & other devices

Specifications:

• Measuring voltage and Measuring range:
  • 50V: 2.5x10⁵ to 1x10¹²Ω
  • 100V: 5x10⁵ to 2x10¹²Ω
  • 250V: 1.25x10⁶ to 5x10¹²Ω
  • 500V: 2.5x10⁶ to 1x10¹³Ω
  • 1000V: 5x10⁶ to 2x10¹³Ω
• Accuracy of measuring voltage: ± 3% of setting voltage value
• Output current: Max. 2mA
• Measuring accuracy: ± 10% (within 10 times range of min. value on each range at 20°C ), but ± 20% at 108 range of SM-8220
• Display: LCD (digital & analog display)
• Standard function: timer, comparator (alarm), remote start, HV-EN, RS-232C
• Ambient temperature: 5 to 35°C
• Ambient humidity: less than 85%RH
• Power consumption: Selectable 100, 120, 220 or 240V AC ±10%, 50/60Hz, 25VA max.
• Dimensions, mass: 284mm(11.18in)W x 139mm(5.47in)H x 215mm(8.46in)D, 4.3kg(151.7oz)
• Standard accessories: measuring rod(red & black) 1 pair, power code 1pc., instruction manual 1copy