Calibrate 7 energy meters by wiring up at a high consumption cable

CALIBRATE 7 ENERGY METERS We have 7 pcs of energy meters, type EH10-DIN Carlo Gavazzi . The 7 energy meters need to be calibrated. Not via electronic programming, but by wiring up at a high consumption cable. The readings need to be higher then they are now. The maximum which needs to be added is +- 20 000 kWh. The various 7 meters need different readings (which we will inform in detail) We can wire the energy meters in series on a small board, so they can be installed on a high consumption cable (max 32 Amps), in order to read the specific amount of kWh. We can deliver a small board, with the 7 meters installed (including the informatuion of which meter needs which specific readings) and 7 buttons to stop the meter when it has reached the specific reading. The meters can have a maximum of 32 Amps. We need to know how long it will take before this job can be done. So you need to know exactly how much kWh passes through the cable. We can pick up the small board when the specific meters have the specific readings. We would like to have the job done asap. We would like to have daily reports of the readings per email or whatsapp messages. Transport costs can be taken care of by ourselves. Please send us a price for carrying out this job.