This listing is for a used Trig-Tek/Astronics 346B Synthesized Calibrator. It is a piece of specialized test equipment designed for calibrating and verifying electronic instruments. The item is in used condition, and its specific operational state should be confirmed by reviewing the seller's full description. Free shipping is included with this purchase. This calibrator is likely suitable for technicians, engineers, or laboratories in need of reliable calibration tools. As a used instrument, a buyer should consider its age and potential need for servicing. Important specifications like frequency range or power output are not listed here, so check the listing for full details before purchasing. Trig-Tek/Astronics 346B Synthesized Calibrator. Condition: Used. Listed at 1749.99 USD. Integrated circuitry is used throughout. Model Number: 346B ADD3. The signal output is in millivolt and picocoulomb levels with selected units of RMS, pk, pk-pk, or DC. Levels from 0.010 to 9999 millivolts in picocoulombs can be selected.