The Additel 226 and the Additel 227 are the recommended replacements
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.
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