Additel 221A Multifunction Temperature Calibrator

Additel 221A Multifunction Temperature Calibrator


Sourcing, Simulating & Measuring Temperature & Electrical Signals

  • Sources & Measures mV, mA, ohms, RTDs, Thermocouples, Frequency & Pulses
  • Simulates & Measures 13 Thermocouples & 11 RTDs to Calibrate Transmitters
  • 24V Loop Power Supply
  • Simultaneous Dual Reading Capability
  • Automatic Switch Test
  • Supports Square Root Transmitter
  • Pulse Frequency Output for the Calibration of Flow Totalize

Calibrated Cold Junction Compensation (Patented)

  • Cold Junction Equivalent Block in the Calibrator
  • A Calibrated PRT Element with Flexible Leads is Installed in the Equivalent Block for Thermocouple Cold Junction Compensation
  • This PRT Element can be Pulled out from the Calibrator & Re-Calibrated & Corrected at Ice Point by Users

Documenting & Automated Procedure Capability

  • Manage the Information of the Device Under Test
  • Set up Automated Calibration Procedures & ADT221A Performs the Test, Calculates the Errors & Displays and/or Stores the Results in the Memory & Highlights the Out-of-Tolerance Points
  • As-Found & As-Left Functions Allow Recording & Documenting Results for Quality Control
  • Download Tasks & Upload the Results
  • Snapshots Allow you to Capture & Save Work
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A highly integrated Multifunction Temperature Calibrator featuring several patented technologies. The 221A is an ultra-compact, rugged, and easy to use hand-held device for sourcing, simulating and measuring temperature, and electrical signals. Its smartphone-like menu and interface make the operation simple. The 221A is ideal for calibrating, maintaining, and troubleshooting process instrumentation. Automation and documentation capabilities make the 221A a turnkey solution.