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

Input: 100-240VAC 50/60Hz 3

00 ~1Vpp 0C 01

Includes 1SCA022381R2110 OHB145J12

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.