Retired products cannot be ordered

The Additel 226 and the Additel 227 are the recommended replacements

  • ADT223A



  • ±75.0000mV
  • ±30.0000V
  • ±30.0000mA
  • 1 to 50,000Hz frequency
  • 0 to 999,999 pulse
  • 14 to 122°F (-10 to 50°C) operating temp
  • 3.5 inch TFT color screen display
  • ADT 160 series pressure module compatible
  • Supports HART® instrumentation
  • CE mark

What's in the Box

  • 110V/220V adapter
  • Chargeable Li-ion battery
  • Test leads (3 sets)
  • Short circuit cable


The ADT 223A documenting process calibrator is a highly integrated, ultra-compact, rugged, hand-held device for sourcing, simulating and measuring pressure, temperature, and electrical signals. The smartphone-like menu and interface are simple and easy to operate. With HART communication capability, the ADT223A is ideal for calibrating, maintaining, and troubleshooting HART instrumentation. Automation and documentation capabilities make the ADT 223A a turnkey solution.