Retired products cannot be ordered

The Additel 226 and the Additel 227 are the recommended replacements

  • ADT222A



  • ±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
  • CE mark

What's in the Box

  • 110V/220V external power adapter
  • Chargeable Li-ion battery
  • 2 sets of test leads
  • Short circuit cable


The Additel ADT 222A multifunction process calibrator is a highly integrated, ultra-compact, rugged, hand-held device for sourcing, simulating and measuring pressure, temperature, and electrical signals. The ADT222A is ideal for calibrating, maintaining, and troubleshooting process instrumentations. The smartphone-like menu and interface are easy to operate with automation and documentation capabilities.