⭕ Fluke 5700A Multifunction Calibrator in clean cosmetic and excellent working condition. Guaranteed to work. Tested and works as it should. Shipping or pickup. The 5700A Calibrator is designed to cover the widest portion of todays calibration workload - a wide variety of DMMs from all manufacturers. It delivers direct voltage to 1100V and alternating voltage at frequencies from 10Hz to 1.2MHz.