Basic zero calibration was attempted indoors and again outside in clean air

4A 47-63 Hz

With Control Panel CDP311 Has scratches

Outputs: 5VDC - 8A

6 AMP 3000 RPM IP64

CHAUVIN ARNOUX C.A 8310 Power & Harmonics Analyser Default:DefaultVariant Basic zero calibration was attemptedPowers up. Voltage measurement displayed correctly on V1. All buttons are working. Built in printer initializes at startup, printing has not been tested. Battery only lasts a few seconds and needs to be replaced. Current measurement, harmonics and other functions have not been tested. Has signs of use. Has scratches. Has stains. Missing a screw in a power socket. Refer to photos.