• ±300.000mV
  • ±60.0000V
  • ±30.0000mA
  • 0 to 2000 ohm loop integrity test
  • 14 to 122°F (-10 to 50°C) operating temp
  • 3.5 inch TFT color screen display
  • CE mark

What's in the Box

  • Power adapter (110V/220V)
  • Chargeable Li-ion battery
  • 2 Test leads sets
  • Short circuit cable


The Additel ADT 220 multifunction loop calibrator is a highly integrated, ultra-compact, and easy to use hand-held device for sourcing and simulating mA, mV, and V. It captures switch values and provides 24V loop power, measures loop current, and checks loop integrity and capture switches. The ADT220 is ideal for calibrating, maintaining, and troubleshooting various loop devices on site. The smart phone-like menu and interface simplifies operation.